Umbilical cord yolk sac in embryos. Medical search. Frequent questions

And also an umbilical cord attached to the early placenta can be seen. (momnewsdaily.com)
The Yolk Sac is rapidly shrinking as the placenta starts to deliver nourishment to the embryo. (pregnancysymptomsweekbyweek.org)
It is then that the placenta assumes the role of feeding it through the umbilical cord attached to the uterus. (week-by-week.net)
The yolk sac is responsible for the production of blood that helps to feed the embryo pending taking over by the placenta. (babiescarrier.com)
For now, your embryo is nourished by the yolk sac until the placenta is fully formed in a few weeks. (kidshealth.org)
By week 7, the umbilical cord has fully formed, composed of the connecting stalk, vitelline duct, and u … Apr 28, 2021 · The umbilical cord is the vital connection between the fetus and the placenta. (teleplata.es)
Everything is looking good he said except that cord is attached a the side of the placenta rather than at the centre. (teleplata.es)
Jan 27, 2022 · The umbilical cord passes blood between the fetus and the placenta. (teleplata.es)
From conception until the placenta is mature enough to nourish our babies, they are sustained with nourishment from this yolk sac. (elementalbeginnings.net)
Once the placenta functions, the yolk sac generally is obliterated but on occasion there are remnants left behind to remind us of those very early days of prenatal life. (elementalbeginnings.net)
The yolk sac provides nourishment and acts as a circulatory system for your embryo until the placenta develops and takes over these functions. (elementalbeginnings.net)
By the time of birth, the yolk sac has usually disappeared or it may be visible as a small oval between 1-6mm between the amnion and chorion (membranes) on the placenta - see below. (elementalbeginnings.net)
The process of placental separation during and after birth The process of expulsion of the placenta after separation - Expulsion of the placenta is a function of abdominal, uterine, and gravitational forces and cord traction by the attendant. (ge-shi.net)
Mammalian placentas are classified mainly into two types: - Yolk sac placenta - Chorioallantoic placenta. (ge-shi.net)
Also placenta or "fruit cake") is an all female higher mammals ( Eutheria ), including the people and some marsupials ( Metatheria ) during gestation (or pregnancy ) evolving fabric of the wall of the uterus , which belongs to the embryonic organism, is formed by it and is interwoven with blood vessels from the mother and the embryo. (zxc.wiki)
The fetal side of the placenta - i.e. the chorionic plate and umbilical cord - is covered with whitish, cloudy amniotic epithelium (see last picture). (zxc.wiki)
3. In the third quarter ultrasound is used to monitor the growth rate of the fetus, the placenta location of the uterus, the amount amniotic fluid, fetal vitality, its position within the uterus and the position of the umbilical cord. (tabletsmanual.com)
Although you wont be able to tell, inside your womb the amniotic sac and placenta will be developing and will later provide oxygen and nourishment to your embryo. (pregnancyprotips.com)

in reptiles and birds it is the reflected edge of the amnion where it folds over to cover the embryo during early development. (chemwatch.net)
The Amnion, the BodyStalk (Allantoic Stalk), and the Umbilical Cord. (co.ma)
The amnion is formed from that portion of the wall of the larger of the two inner vesicles of the zygote, the ecto-mesodermal vesicle (p. 22), which does not take part in the formation of the embryo. (co.ma)
As the embryonic area is folded into the form of the embryo the amnion. (co.ma)
In other words, the walls of the amnion bulge ventrally round the cranial and caudal extremities and the lateral borders of the embryo (Figs. 75, 76, 77). (co.ma)
As the distension of the amnion still continues, the ventral bulging, round the margin of the umbilical orifice, becomes more pronounced, the yolk-sac is forced farther and farther away from the embryo, the vitello-intestinal duct is elongated, and it is surrounded by a hollow tube. (co.ma)
The other parts that develop during this phase of pregnancy are the yolk sac and the amnion sac. (babiescarrier.com)
The communication between the peritoneal cavity and the extraembryonic coelom disappears as the yolk stalk obliterates and the amnion fuses with the umbilical cord. (ehd.org)

In the 5 weeks pregnant ultrasound, you may see two sacs known as gestational sac and yolk sac, which forms the source of nutrition for your baby. (momnewsdaily.com)
The presence of gestational sac and yolk sac within the uterus confirms the existence of an intra-uterine pregnancy, discarding the possibility of an ectopic pregnancy , even if the embryo can not be viewed. (tabletsmanual.com)

Miscarriage, also known in medical terms as a spontaneous abortion, is the death and expulsion of an embryo or fetus before it is able to survive independently. (wikipedia.org)
Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb). (wikipedia.org)
The procedure is a standard part of prenatal care in many countries, as it can provide a variety of information about the health of the mother, the timing and progress of the pregnancy, and the health and development of the embryo or fetus. (wikipedia.org)
The following 3D ultrasound images were taken at different stages of pregnancy: 3D Ultrasound of fetal movements at 12 weeks 75-mm fetus (about 14 weeks' gestational age) Fetus at 17 weeks Fetus at 20 weeks A gestational sac can be reliably seen on transvaginal ultrasound by 5 weeks' gestational age (approximately 3 weeks after ovulation). (wikipedia.org)
After 2 months, your future child stops being an embryo to become officially a fetus. (week-by-week.net)
During this phase of pregnancy, the fetus is highly endangered for abnormalities attributing to the fact that the heart, spinal cord, brain, head, tissues, muscles and teeth of the baby have started developing. (babiescarrier.com)
During this week, the vascular network of the baby is growing and aiding in blood, nutrients and oxygen transportation from the mother to the fetus through the umbilical cord. (babiescarrier.com)
Via the umbilical cord and the chorionic villi, this organ delivers blood, nutrients, and oxygen to the developing fetus. (ge-shi.net)
The embryo (later the fetus ) is indirectly connected to the mother's bloodstream, receives nutrients and oxygen and releases waste products. (zxc.wiki)
1. In the first or second prenatal visit, with the objective of confirming the existence of an embryo within the gestational sac and intrauterine pregnancy, visualizing the heartbeat of the fetus early to identify a twin pregnancy, estimate gestational age and evaluate possible abnormalities of the female gynecologic tract, such as ovarian cysts , fibroids, uterine malformations, etc. (tabletsmanual.com)

Transabdominal ultrasound revealed a full-thickness abdominal wall defect to the right of the umbilical cord insertion with herniation of abdominal contents. (contemporaryobgyn.net)
The defect is often to the right of the umbilical insertion site. (lecturio.com)

The tiny embryo also has a yolk sac which temporarily provides nourishment and makes cells that turn into the umbilical cord, gastrointestinal system, and reproductive organs. (annunciationbogalusa.com)

As the lumen in the junction area disappears, the allantois is replaced by a solid, ligamentous structure called the urachus or median umbilical ligament. (ehd.org)
An example would be the median umbilical ligament, a fibrous remnant between the top of the bladder and the "belly-button," marking a structure important during the formation of the urinary bladder. (answersingenesis.org)

These include embryonic disc and bilaminar disc formation, epiblast lumenogenesis, polarized amniogenesis, anterior-posterior symmetry breaking, primordial germ-cell specification, polarized yolk sac with visceral and parietal endoderm formation, extra-embryonic mesoderm expansion that defines a chorionic cavity and a connecting stalk, and a trophoblast-surrounding compartment demonstrating syncytium and lacunae formation. (nature.com)
For the present purpose it is important to note that the bloodvessels which pass through the body-stalk enter or leave the body through the umbilical orifice, which is, at first, a relatively large aperture (Fig. 50). (co.ma)
It consists of an external covering of amniotic ectoderm, and a core of mesoderm in which lie the two umbilical arteries of the body-stalk, a single umbilical vein formed by the fusion of the two primitive veins, and the remains of the vitello-intestinal duct and the vitelline vessels. (co.ma)

In the thickened strand lies the allantoic diverticulum of the entodermal vesicle (Fig. 70), whilst through it, on either side of the allantoic diverticulum, pass the umbilical arteries and veins, by means of which blood is conveyed between the embryo and the chorion. (co.ma)

The primordial germ cell from the yolk sac reside in the gonadal ridge. (ehd.org)

Unusual umbilical anatomy, such as a single umbilical artery or abnormal position of the umbilicus, may be associated with other congenital anomalies or syndromes. (medscape.com)

The early form of the embryo, which is known as the fetal pole, can be visible next to the yolk sac. (differencebetween.com)

The double bleb sign is an ultrasonographic feature where there is a visualization of the gestational sac containing the yolk sac and amniotic sac. (differencebetween.com)
By nine weeks of gestational duration, the amniotic sac has expanded to occupy the majority of the volume of the gestational sac. (differencebetween.com)
By this time, the gestational sac is simply called an amniotic sac. (differencebetween.com)

The yolk sac and gestational sac are two structures helping in the confirmation of the pregnancy through ultrasound. (differencebetween.com)
The heartbeat is usually seen on transvaginal ultrasound by the time the embryo measures 5 mm, but may not be visible until the embryo reaches 19 mm, around 7 weeks' gestational age. (wikipedia.org)
The curled shape of the embryo is clearly demonstrated at 5 Weeks Pregnant Ultrasound. (momnewsdaily.com)
Fetal assessment with ultrasound after the first trimester reveals free-floating loops of bowel with a "cauliflower-like" appearance in the setting of a normal umbilical cord insertion (Figure 2). (contemporaryobgyn.net)
This is a case report of a newborn female referred from a district hospital with an abdominal wall defect that was not identified on antenatal ultrasound, with features consistent with a left-sided gastroschisis and a bifid umbilical cord at its fetal attachment site. (scirp.org)
If you've ever had an early ultrasound one of the first things you might have been shown is the yolk sac which usually develops at around 5 weeks gestation. (elementalbeginnings.net)
The first ultrasound in pregnancy can be performed as early as the 5th week of pregnancy, a time when already can see the gestational sac, first identifiable structure of a pregnancy. (tabletsmanual.com)
The consistent ultrasound image obtained with the UBM can be used to visualize and guide injection into target organs [ 9 , 10 ], including mouse embryo, to aid in targeted delivery of drugs and viral particles [ 7 , 11 ]. (hindawi.com)

Yolk sac tumor is a germ cell tumor. (differencebetween.com)
Mesoderm Mesoderm The middle germ layer of an embryo derived from three paired mesenchymal aggregates along the neural tube. (lecturio.com)
Endoderm Endoderm The inner of the three germ layers of an embryo. (lecturio.com)
As they enter the gonad, the surface cells of the ridge proliferate into gonadal cords that extend into the underlying mesenchyme around the germ cells. (ehd.org)

HB of 177, measuring in range, yolk sac not too small this time, umbilical cord visible, and we even saw fetal movement. (chasingkites.com)

After each common iliac artery gives rise to a small axial artery to the lower limb bud, it continues into the umbilical cord as an umbilical artery carrying blood to the chorionic villi. (ehd.org)

Embryo-like models with spatially organized morphogenesis and structure of all defining embryonic and extra-embryonic tissues of the post-implantation human conceptus (that is, the embryonic disc, the bilaminar disc, the yolk sac, the chorionic sac and the surrounding trophoblast layer) remain lacking 1 , 2 . (nature.com)
Mouse naive embryonic stem cells have recently been shown to give rise to embryonic and extra-embryonic stem cells capable of self-assembling into post-gastrulation structured stem-cell-based embryo models with spatially organized morphogenesis (called SEMs) 3 . (nature.com)
Such human fully integrated and complete SEMs recapitulate the organization of nearly all known lineages and compartments of post-implantation human embryos, including the epiblast, the hypoblast, the extra-embryonic mesoderm and the trophoblast layer surrounding the latter compartments. (nature.com)
increases in extent, filling more and more of the extra-embryonic colom, and the embryo rises into the interior of its cavity. (co.ma)
The outermost extra-embryonic membrane surrounding the developing embryo. (rush.edu)

The embryonic disc is a part of the inner cell mass of the blastocysts from which the embryo of a mammal develops. (differencebetween.com)
It is a membranous sac attached to an embryo that is formed by the cells of the hypoblast adjacent to the embryonic disc. (differencebetween.com)

Tomorrow, the embryo will begin to draw the yolk sac into its abdominal cavity. (the-chicken-chick.com)
By definition, omphalocele is a ventral wall defect that results in midline herniation of abdominal viscera into the base of the umbilical cord. (contemporaryobgyn.net)
At NICU, further examination revealed a female baby, not pale, anicteric, mild peripheral cyanosis, and anterior abdominal wall defect (size of about 4 cm) on the left side of a bifid umbilical cord at its attachment site with evisceration of small bowel loops, stomach, uterine tubes and ovaries with no covering membrane ( Figure 1 ). (scirp.org)

The scar appears when the embryo detaches from the yolk sac and other membranes, before or as it hatches from its egg. (smithsonianmag.com)

The expression patterns of four RTKs have been examined and all are expressed in the mouse embryo during, or shortly after, gastrulation. (silverchair.com)

The key difference between yolk sac and gestational sac is that the yolk sac is the second structure that is identified in the uterus in early pregnancy, which is visible at approximately 5 and half weeks, while the gestational sac is the first structure that is identified in the uterus in early pregnancy which is visible at approximately 5 weeks. (differencebetween.com)
The yolk sac is the second structure identified in the uterus in early pregnancy. (differencebetween.com)
The yolk sac is the first structure that is seen within the gestational sac during pregnancy. (differencebetween.com)
A normal healthy yolk sac can help to confirm a healthy early pregnancy. (differencebetween.com)
The gestational sac is the first structure that is identified in the uterus in early pregnancy. (differencebetween.com)
Furthermore, the gestational sac helps to determine if an intrauterine pregnancy exists until the embryo can be identified. (differencebetween.com)

Each sinus horn receives three veins: a) the common cardinal vein, b) the umbilical vein and c) the vitelline vein by way of the hepatocardiac vein. (ehd.org)
Hefle, and the primitive transverse the umbilical vein from the sybfem. (philcoffeeboard.com)

Some of the yolk sac will continue developing in the embryo as parts of the gastrointestinal tract. (elementalbeginnings.net)

The gestational sac is spherical in shape and located in the upper part (fundus) of the uterus. (differencebetween.com)

After the umbilical cord has been removed, a remnant of this stem cell-rich blood remains in the umbilical cord and can be removed and stored when a child is born. (teleplata.es)

Four pairs of aortic arches become apparent and connect the aortic sac with the paired dorsal aortas above the primitive pharynx. (ehd.org)
As each primitive lung sac expands, it encroaches on the pericardioperitoneal canal converting the canal into a primitive pleural cavity. (ehd.org)
As the primitive lung sacs and body wall expand the primitive pleural cavities increase in size. (ehd.org)
free gut-umbilical Somitomeres, Historical temporary epub CCD Astrophotography:High Quality Imaging from the Suburbs (Patrick Moore\'s and primitive efficiency are reached. (dreamsheet.de)
A.-Diagram of the primitive urogenital organs in the embryo previous to sexual distinction. (iiab.me)

Left-sided gastroschisis, in which the defect occurs on the left side of the umbilical cord, is very rare compared to the common right-sided gastroschisis and it is usually associated with high incidence of other congenital anomalies. (scirp.org)
We report a case of a 38-week 4-day old female delivered via caesarean section who presented with a left-sided gastroschisis associated with a bifid umbilical cord and suspected cardiac anomaly. (scirp.org)
Pollutants released into air, soil and groundwater from wildfires may impact embryo development leading to gastroschisis. (bvsalud.org)

Moreover, this sac produces cells that turn into important structures such as the umbilical cord, blood cells, and reproductive organs. (differencebetween.com)
The reproductive organs of mammals produce the gametes (sperm and egg cells), help them fertilize and then support the developing embryo. (wikibooks.org)

Masses of the umbilicus may be related to lesions of the skin, embryologic remnants, or an umbilical hernia. (medscape.com)
Umbilical drainage is associated with granulomas and embryologic remnants. (medscape.com)

As an embryo, it comprises of two layers namely the hypoblast and the epiblast. (babiescarrier.com)

The umbilical arteries initially fuse in the proximal part of the cord but later separate completely. (ehd.org)
Dorsal intersegmental arteries, which arise at every level between somites to supply the dorsal body wall and the spinal cord. (ehd.org)

Some cells that form in the upper part of the yolk sac develop capillaries and manufacture blood cells for the embryo. (elementalbeginnings.net)

During embryogenesis gestational sac consists of the extraembryonic coelom. (differencebetween.com)

In some instances an embryo does not form but other tissues do. (wikipedia.org)
Fortunately, gestational sac, yolk sac and embryo are surrounded by hyperechoic (brighter) body tissues. (wikipedia.org)
connective tissue Connective tissue Connective tissues originate from embryonic mesenchyme and are present throughout the body except inside the brain and spinal cord. (lecturio.com)
It serves for the transport of nutrients from the mother tissues with those of the embryo as well as the exchange of gases between the tissues of the two. (ge-shi.net)

The belly button does not come from an umbilical cord, as it does with mammals, but from the yolk sac of the egg-laying creature, reports Science Alert's Carly Cassella. (smithsonianmag.com)

So far, the embryo depended on the yolk sac that, as it is said, provides nutrients and blood cells during these first weeks. (week-by-week.net)
Some days after the beginning of the 5th week of gestation is possible to identify, within the gestational sac, the yolk sac structure that provides nutrients to the embryo. (tabletsmanual.com)

Transverse, sagittal, and horizontal sections were cut, their thickness varying from five to thirty microns, depending upon the size of the embryos. (gutenberg.org)
Figure 3 A is a transverse section through this embryo near the anterior end of the enteron, ent , which cavity, cephalad to this region, is bluntly pointed. (gutenberg.org)

Implantation of the human embryo leads to a number of changes in organization that are essential for gastrulation and future development 1 . (nature.com)

Ch space on the ventral and outer yolk-sack is situated one, right ventricle. (philcoffeeboard.com)

The scar, known as an umbilical scar, is a non-mammalian belly button, reports Gizmodo's Jeanne Timmons. (smithsonianmag.com)

The egg yolk is attached to its body via an umbilical cord and belly-button type system. (the-chicken-chick.com)
The team was able to work out the umbilical scar by seeing a change in the pattern of skin and scales where the dinosaurs belly button would be. (smithsonianmag.com)
After birth, the cord is severed and either removed or falls off, leaving a small scar - properly known as the umbilicus, more commonly known as the navel or belly button. (teleplata.es)

The jewels are also being made with milk teeth, umbilical cord, first cut nails, hair and mother's milk," she says. (teleplata.es)
This can cause the cord to become compressed between the baby and the mother's cervix or vagina. (teleplata.es)
When the young ones exhaust their yolk sac, they feed on the mother's unfertilized eggs. (visualstories.com)

The peritoneal cavity is continuous with a large chamber in the proximal part of the umbilical cord called the umbilical coelom, which surrounds the herniated portion of the midgut loop. (ehd.org)

During development, the embryonic disk is in contact with the yolk sac anteriorly (see the image below). (medscape.com)
The yolk sac is established during the second week of embryonic development. (elementalbeginnings.net)
In the first trimester of gestation, the human embryo has a rate of growth and development more or less stable and predictable, and thus possible to estimate the gestational age according to its sonographic features. (tabletsmanual.com)
The egg is then surrounded by a resistant shell, "laid" by the female and the embryo completes its development inside the egg. (wikibooks.org)

Some anatomical structures in the developing embryo disappear completely or regress substantially once they serve their developmental purpose, remaining only as scar-like vestiges (literally, "footprints") in the mature human. (answersingenesis.org)
factors compose only visualized by a Embryo of rostro-caudal Anatomical mice, features, and Interactions( with side systems joined in the mylencephalon thoracic). (dreamsheet.de)

The purpose of the yolk is to provide nutrition to the chick while it waits for the mother hen to finish hatching other eggs. (the-chicken-chick.com)
A chick can survive for approximately 3 days without food or water due to the absorption of the yolk sac, which is what makes shipping baby chicks via mail possible. (the-chicken-chick.com)
More numerous in tbe chick embryo in the trated in sycandra. (goldenowlhunt.com)
Section of the fold in the mesonephros of a chick embryo of the fourth day. (iiab.me)

and (3) evidence of developmental dynamism relating to ability to progress, in a structurally organized manner, through morphologically characterized developmental milestones of the early post-implantation human embryo following initial aggregate formation 3 . (nature.com)

1 In the majority of cases, this defect lies to the right of a normally inserted umbilical cord. (contemporaryobgyn.net)
BLUE ARROW―Defect on the left side of the bifid cord. (scirp.org)

Furthermore, the yolk sac gradually becomes smaller and disappears after 10th week. (differencebetween.com)

There's now a sac containing amniotic fluid to cushion the baby as he/she grows. (annunciationbogalusa.com)
7 if a baby is born with umbillical cord wrapped around its neck it is an indicator of early death of a baby. (teleplata.es)
It is always defined by the moment they cut the umbilical cord so if you work with the idea that as a baby you It is governed by the moon. (teleplata.es)
Out of the last four implanted embryos, one has been viable-sweet Baby Hannah. (chasingkites.com)

It's actually Jan 18, 2012 · Umbilical cord stem cells that yield brain cells. (teleplata.es)
A sagittal section of this stage is shown in figure 2 A . The foregut is here more inclosed, and the notochord, nt , having separated from the entoderm, en , is seen as a distinct layer of cells extending from the foregut to the blastopore. (gutenberg.org)
Notes that the yolk cells which, that is found in the products p. (goldenowlhunt.com)
We were subsonic to facilitate the vasculature of these AVS in the active embryo in hours with 8 cells( morphologies laterally established). (need4speed.com)
together, these AVMs was elongated at an imaging by which umbilical cells between the DA and the ACV and CCV should know not fixed, experiencing that the AVMs could utilize determined from second Interpretation of these back commercializing denominations. (need4speed.com)

A slightly later stage is shown in figure 2 , a dorsal view of an embryo with five pairs of mesoblastic somites. (gutenberg.org)

The ducts pass backward lateral to the mesonephric ducts, but toward the posterior end of the embryo they cross to the medial side of these ducts, and thus come to lie side by side between and behind the latter-the four ducts forming what is termed the common genital cord , to distinguish it from the genital cords of the germinal epithelium seen later in this article. (iiab.me)

In the early 1900s, umbilical hernia repair was a challenging procedure. (medscape.com)
The yolk sac and gestational sac are two types of sacs that develop during early embryogenesis. (differencebetween.com)
This historic 1932 paper by Shaw describes describes 2 early human embryos. (edu.au)
The Umbilical Cord is starting to provide the early stages of circulation. (pregnancysymptomsweekbyweek.org)
de 2020 Daughter Sovereign and How Astrology Played Into Her Early Birth "It's funny because the umbilical cord was wrapped around her But, an examination of the methods of astrology proves that astrological predictions Is it the cutting time of umbilical cord or the last moment when 10 de nov. (teleplata.es)
The first indication of the formation of the enteron is seen in the very early embryo shown, from the dorsal aspect, in figure 1 . (gutenberg.org)

20 this part or most of the telencephalon where an embryo of lateral part of here the body. (goldenowlhunt.com)

Haeckel produced these artistic drawings, supposedly based on his own specimens 1 of different embryos, claiming that all of them pass through stages reminiscent of their evolutionary ancestors. (answersingenesis.org)
epub rise details suggested to strengthen then at the 8 nerve professionalism as different hind specimens in the Valued DA, until the area appeared waiting at the 11 number embryo( disciplines regularly shown). (need4speed.com)

It is the large cavity of fluid surrounding the embryo. (differencebetween.com)

Right and left paramesonephric ducts uniting together and running with the mesonephric ducts in gc, the common genital cord * ot. (iiab.me)

Although it is possible to culture structures derived from human blastocysts ex vivo, these cultures do not recapitulate the events and structural organization of the in vivo embryos 6 ( Supplementary Information ). (nature.com)
Unlike placental animals, such as human beings, the embryos are not fed through an umbilical cord, but by the egg yolk. (visualstories.com)
Do human embryos replay the evolutionary history of their species as they develop? (answersingenesis.org)
This stage the cranial region of inward movement is formed from the human embryo and four osseous cochlea. (philcoffeeboard.com)

After birth, once the umbilical cord falls off, no evidence of these connections should be present. (medscape.com)
Buddhism/Zen and more It is logical to consider the time of birth when the baby's umbilical cord is cut as the life begins independently at that moment. (teleplata.es)
In many animals (including humans) the testes descend into the scrotal sacs at birth but in some animals they do not descend until sexual maturity and in others they only descend temporarily during the breeding season. (wikibooks.org)

Anatomy57

Organisms9

Diseases24

Chemicals and Drugs13

Analytical, Diagnostic and Therapeutic Techniques and Equipment36

Phenomena and Processes38

Disciplines and Occupations2

Technology, Industry, Agriculture2

Information Science3

Named Groups1

Health Care2

Placenta18

Amnion8

Gestational sac and yolk sac2

Fetus10

Right of the umbilical2

Nourishment1

Median umbilica2

Stalk3

Chorion1

Primordial germ1

Single umbilical1

Form of the embryo1

Amniotic sac3

Ultrasound8

Germ4

Fetal1

Chorionic villi1

Extra-embryonic5

Embryonic disc2

Abdominal3

Membranes1

Mouse embryo1

Pregnancy6

Vein2

Gastrointestinal1

Uterus1

Remnant1

Primitive5

Gastroschisis3

Reproductive2

Remnants2

Hypoblast1

Arteries2

Capillaries1

Extraembryonic coelom1

Tissues4

Mammals1

Nutrients2

Transverse2

Gastrulation1

Ventral1

Mammalian1

Belly-button3

Mother's3

Proximal1

Development4

Anatomical2

Chick4

Developmental milestones1

Defect2

Disappears1

Baby4

Cells5

Somites1

Germinal1

Early6

Lateral1

Specimens2

Cavity1

Mesonephric1

Human4

Birth3