In holoblastic cleavage the entire egg will divide and become the embryo, whereas in meroblastic cleavage some cells will become the embryo and others will be the yolk sac. (wikipedia.org)
cells or their nuclei) lacking in any arrangement, i.e., these globules do not reveal any resemblance with the form or structure of the future embryo. (biologydiscussion.com)
Embryonic1
The basal phyla also has only one to two embryonic cell layers, compared to the three in bilateral animals (endoderm, mesoderm, and ectoderm). (wikipedia.org)
Germ2
Soon after the gastrula is formed, three distinct layers of cells (the germ layers) from which all the bodily organs and tissues then develop. (wikipedia.org)
This theory holds that successive generations of individual organisms pre-existed one inside the other in the germ cells of the mother. (biologydiscussion.com)
Essay1
Also, learn more in regards to the structure and privateness issues of free essay online pages for research how to write a book review example . (proyecto-pyme.com)
Process2
Outlined below is the process that leads to cell and tissue differentiation. (wikipedia.org)
The larva undergoes transformation into the adult by the process of metamorphosis. (biologydiscussion.com)
Development5
and -λογία, -logia) is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses. (wikipedia.org)
logia = discourse) is a study of the origin and development of animals dealing with changes through which a fertilised egg must pass before it assumes the adult state. (biologydiscussion.com)
Development of a single-celled zygote into an adult involves a series of steps or stages resulting in a gradual increase in the complexity of structure. (biologydiscussion.com)
Their embryos continue development until they attain a form resembling the adult. (biologydiscussion.com)
This method of progressive development from the simpler to the more complex, through the utilisation of building units (globules or cells) is called epigenesis. (biologydiscussion.com)
Ways3
He isn't decry-ing the lack of sci-en-tif-ic basis for poli-cies per se , but the ways in which the Repub-li-can Par-ty in par-tic-u-lar mis-rep-re-sents the state of sci-ence and the nature of sci-ence in order to pro-mote cer-tain actions or fore-stall oth-er actions. (scienceleagueofamerica.com)
The ways in which the cells divide is specific to certain types of animals and may have many forms. (wikipedia.org)
Thus, citric acid cycle intermedi- ates are not used for adenosine triphosphate (ATP) production and are shuttled out of the mitochondria, providing precursors for nucleotide, amino acid, and lipid synthesis path- ways for the dividing cell [13]. (who.int)
Neurogenesis1
ADULT NEUROGENESIS: What is the genetic circuitry that leads to de novo neurogenesis in cnidarians? (unige.ch)
Interstitial cells2
These cells Bouffard called interstitial cells. (nih.gov)
These different cell types differentiate from three distinct stem cell populations: myoepithelial cells located in the ectoderm, myoepithelial cells located in the endoderm and interstitial cells that are multipotent stem cells giving rise to neurons, mechano-sensory cells (nematocytes or cnidocytes), gland cells and gametes [3, 4]. (unige.ch)
Differentiation3
Outlined below is the process that leads to cell and tissue differentiation. (wikipedia.org)
ac-companied by endothelial cells differentiation. (1library.org)
some variations in the eficiency of hematopoietic differentiation between iPSC and ES cells, the pattern of differentiation was similar among all three tested lines. (1library.org)
Gametes1
and -λογία, -logia) is the branch of animal biology that studies the prenatal development of gametes (sex cells), fertilization, and development of embryos and fetuses. (wikipedia.org)
Ectoderm2
The basal phyla also has only one to two embryonic cell layers, compared to the three in bilateral animals (endoderm, mesoderm, and ectoderm). (wikipedia.org)
Its cellular organization is rather simple, with two cell layers, the ectoderm and the endoderm separated by an extracellular collagenoeous matrix, the mesogolea. (unige.ch)
Endothelial2
By the use of the supravital technique, we think it is now possible to dis- criminate two distinct types of markedly phagocytic cells in the connective tissues, namely, clasmatocytes, which we shall also designate as wandering endothelial phagocytes, and monocytes. (nih.gov)
Goldmann showed that the areolar tissue under the skin, the intermuscular septa, and the connective- tissue framework of organs contained two major types of cells-pyrrol cells (clas- matocytes or wandering endothelial phagocytes), staining massively, and fibroblasts which took up but little of the dye. (nih.gov)
Embryos1
The creation and use of embryos for research purposes is also addressed. (lifeissues.net)
Stem Cells1
STEM CELLS: What are the respective functions of the stem cells and the differentiated cells in these processes? (unige.ch)
Membrane1
The division furrow does not protrude into the yolky region as those cells impede membrane formation and this causes the incomplete separation of cells. (wikipedia.org)
Biology2
NIEHS research uses state-of-the-art science and technology to investigate the interplay between environmental exposures, human biology, genetics, and common diseases to help prevent disease and improve human health. (nih.gov)
The Biology of Reproduction, Environment, Epigenetics and Development (BREED) joint research unit studies the effects of environment, in the broadest sense, on reproduction, development during embryonic and foetal life and the health of offspring. (hal.science)
Genetics1
This review neurobiology, and director of compares the efficacy of medications tested for treatment of AUD with and without the BrainScienceResearch incorporating genetics. (nih.gov)
Digestive1
In case of the protease inhibitor Kazal1that isspecifically expressed in gland cells of the gastrodermis, RNAi silencing induces a massive autophagy that extends to the digestive cells. (unige.ch)
Genetic1
The aims of our research are to improve fertility and the efficiency of reproductive biotechnologies in humans and animals, to study the physiological and molecular mechanisms that determine the phenotypes of the offspring (health, growth, fertility, etc.) and to identify predictive and non-invasive biomarkers for these phenotypes, some of which could complement genetic selection strategies in animals. (hal.science)
Rabbits2
He found that when he introduced two sterile cover-slips under the skin in rabbits, and classified the cells according to the time it took them to Inigrate between the covers, he could clearly define certain types of cells. (nih.gov)
The unit relies on research involving several animal models (rabbits, ruminants, rodents, horses) and multiple and complementary imaging approaches, from the microscopic scale to the whole live animal. (hal.science)
Reproductive1
We believe that allocating resources to research to better understand female reproductive ageing is not only ethically permissible, but might even be ethically desirable. (bvsalud.org)
Cellular3
The reason for that isn't different from when your own cellular telephone deletes Tinder's regional research. (ngocthienbao.com)
He called the large mononuclear, phagocytic cell the macrophage, and differentiated it functionally from the polymorphonuclear leucocyte on the evidence that, except for the tubercle bacillus and the bacillus of leprosy, the mononuclear cell disregarded bacteria and took up only cellular débris. (nih.gov)
Many other observers have noted the phagocytosis of bacteria, pigments, cellular _débris, and foreign particles by the mononuclear cells and this capability has become a very general criterion in pathological literature. (nih.gov)
Fate1
Physiologically and socially, that's essentially what we're talking about here--the fate of women vs. a clump of cells, which at that point (during the first three months in particular) are by no means even completely differentiated (into different organs and parts of the body with different specific functions) and certainly are not anything like a developed human being--and are, in fact, a tiny clump of cells. (blogspot.com)
Molecular1
When I began my neuroscience research memory consolidation (both molecular and network) was the hot thing: the chemistry, neuropsychiatry and theories were lining up, all that was lacking was mid-level evidence to demonstrate actual consolidation from the hippocampus to cortex, as well as better neural network models of how it was done. (aleph.se)
Formation2
out hemangioblast formation that produced CD71+HbF+erythroid cells. (1library.org)
We are, how- ever, giving our evidence regarding the formation and development of the mono- cytes in connection with a study on the origin of all of the white blood-cells, which appears in this same volume. (nih.gov)
Types2
The ways in which the cells divide is specific to certain types of animals and may have many forms. (wikipedia.org)
Hydra differentiates all cell types required for neuro-muscular transmission, digestion, secretion and sexual reproduction. (unige.ch)
Studies2
Studies with tacrolimus ointment showed no effect on cell-mediated immunity or antibody-mediated response to vaccination and no increased rate of cutaneous infection (Figure 4). (medscape.com)
These studies of Maximow on the rates of migration of the cells of the blood and connective tissues have been confirmed by Cunningham (1922a) in the case of cells entering the peritoneal cavity in response to the presence of irritants. (nih.gov)
Blood4
nents, as well as disappointing performance of 'universal' red blood cells. (1library.org)
Because of lacking ABO blood group expression in B-hiPSCs, it has been highlighted as a valuable source to produce any cell type in vitro . (1library.org)
Thus, there is an emphasis on the need for better treatment methods, including hematopoietic cell re-placement strategies as an alternative source for blood cells. (1library.org)
The term monocyte was used by Naegeli to cover the transitional and large mononuclear forms of the blood, in the sense of Ehrlich, and it is chiefly in the hematological literature that monocytes are analyzed, in spite of the fact that it may well prove that, in function, they are more conspicuously a cell of the connective tissues than are the other white blood-cells. (nih.gov)
Recent3
According to recent research, NRAS gene mutation is the main driving factor in GCMN. (nih.gov)
In the USA, obesity has recent- obesity is associated with progres- aberrations of cancer cells, summa- ly surpassed tobacco use as the sion but not incidence [9]. (who.int)
He also laid much stress upon the differences in the ferment content of these cells, but the recent work of Opie (1909-10) has shown that the large mononuclears also have proteolytic ferments, though these are slightly different from those of the polymorphonuclears. (nih.gov)
Human2
I have reviewed and submitted formal analyses on many national and international legislations on this and related issues [e.g., see my analysis of the Canadian CIHR stem cell report, the British House of Lords cloning bill, the U.S. human cloning bills, etc. (lifeissues.net)
ferentiation potential of normal Bombay hiPSCs (B-hiPSCs) and compared results to human embryonic stem cell (hESC) lines. (1library.org)
Children2
No effect of treatment with tacrolimus 0.03% or hydrocortisone ointment on the immediate response or on T-cell-dependent antibody response after vaccination in children (2-11 years of age) with moderate-to-severe AD. (medscape.com)
Presumably, by setting the density of serotonin receptors and other correlates of spirituality the adult religiosity of children could be influenced. (aleph.se)
Animal2
Goldmann's work, published in two mono- graphs (1909, 1912) gives a detailed study of all the cells of the animal organism which he found took up pyrrol blue after intravenous injections. (nih.gov)
In vitro models are also developed as alternatives to animal experimentation (primary cell cultures, organoids, embryoids). (hal.science)