• The mammalian male reproductive system contains two main divisions, the penis and the testicles, the latter of which is where sperm are produced. (wikipedia.org)
  • The mammalian female reproductive system likewise contains two main divisions: the vagina and uterus, which act as the receptacle for the sperm, and the ovaries, which produce the female's ova. (wikipedia.org)
  • Maria João Freitas , Srinivasan Vijayaraghavan , and Margarida Fardilha "Signaling mechanisms in mammalian sperm motility," Biology of Reproduction 96(1), 2-12, (20 December 2016). (bioone.org)
  • The first is that great old standard, "sexual" reproduction, in which sperm meets egg. (cbc-network.org)
  • Mouse is a well-established model for the study of mammalian embryology, and parallel comparison between mouse and human samples can be very informative and lead to a better understanding of human embryogenesis. (nature.com)
  • His findings laid the foundation for the field of embryology and greatly advanced our understanding of mammalian development. (proprofs.com)
  • From 2002 to 2012, the NIH funded the Reproductive Genomics Program at the Jackson Laboratory for Mammalian Genetics (Bar Harbor), run by Drs. John J. Eppig, Mary Ann Handel, and John Schimenti. (jax.org)
  • The mechanisms underlying the appearance of asymmetry between cells in the early embryo and consequently the specification of distinct cell lineages during mammalian development remain elusive. (nature.com)
  • Figure 2: The self-organization theory of early mammalian development. (nature.com)
  • Methods to use frozen testicular tissue in reproduction are still in development. (upmc.com)
  • We are seeking to recruit a highly motivated, self-initiated applicant to join us as a postdoctoral research fellow in Dr. Tsuyoshi Hirashima's Collective Cell Dynamics in Mammalian Development and Reproduction lab. (timeshighereducation.com)
  • Dr. Hirashima's research group is interested in how collective cell behaviour emerges and how it relates to biological functions in development and reproduction. (timeshighereducation.com)
  • Although modern humans in the industrialized world appear in general to have little remaining reproductive seasonality, the relationships between melatonin and human reproduction continue to attract widespread scientific attention. (frontiersin.org)
  • A gene of mixed evolutionary pedigree may have transformed mammalian reproduction, leading to the evolution of apes and humans. (sciencenews.org)
  • There are now two ways to create new mammalian life, including humans. (cbc-network.org)
  • Just as any normal mammalian reproducing species (such as dogs, cats, etc.) produces life of their own species, humans reproduce human life. (strike-the-root.com)
  • A previously unknown pathway that enables mammalian cells to recognize infection and trigger an immune response requires a kinase enzyme in the host cell to bind a sugar molecule produced by infecting bacteria. (natureasia.com)
  • Biophysicist studies transcription with single-molecule resolution in live mammalian cells. (mit.edu)
  • The grant will support the study of transcription with single-molecule resolution in live mammalian cells. (mit.edu)
  • This new, quick, high-throughput method for predicting mammalian gene function merely from the pattern of RNA expression could make tissue specificity based predictions a thing of the past and revolutionize the field of functional genomics. (sciencedaily.com)
  • To determine its biological function in reproduction, we used Cre (cAMP response element)/LoxP technology to generate GnRH neuron-specific Jak2 conditional knock-out (Jak2 G −/− ) mice. (jneurosci.org)
  • The Center for Research in Reproduction and Contraception at the University of Washington is dedicated to basic and clinical research focused primarily on the male reproductive system. (washington.edu)
  • Artificial reproduction and reproductive rights / Athena Liu. (who.int)
  • Open Philanthropy recommended a grant of $1,000,000 over four years to the University of Pennsylvania to support research by Professor Kotaro Sasaki on mammalian reproduction. (openphilanthropy.org)
  • To support research on mammalian reproduction. (goodventures.org)
  • Research is integral to all we do at the UPMC Magee Center for Reproduction and Transplantation (CRT). (upmc.com)
  • Although many species produce clonal offspring in this fashion, Dolly, the lamb born in 1996 at a research institute in Scotland, was the first asexually produced mammalian clone. (who.int)
  • Transcription is the first step in cellular reproduction: when genetic information in DNA is made into an RNA copy. (mit.edu)
  • It focuses on cellular mechano-chemical coupling regulations in mammalian tissues, and explores the design principles of multicellular dynamical systems. (timeshighereducation.com)
  • A vast literature on melatonin and vertebrate biology has accrued over the past 60 years since melatonin's discovery, including the broad topic of animal reproduction, which is far beyond the scope of this human-focused review. (frontiersin.org)
  • 1 Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain. (nih.gov)
  • The second way to reproduce is a strictly human invention - known as "asexual" reproduction - or more commonly, cloning. (cbc-network.org)
  • Cloning of a human being" means asexual reproduction by implanting or attempting to implant the product of nuclear transplantation [e.g., an embryo] into a uterus or substitute for a uterus with the purpose of producing a human being. (cbc-network.org)
  • Toxicant effects on mammalian oocyte mitochondria. (cdc.gov)
  • A small proportion of mononuclear diploid cardiomyocytes (MNDCMs), with regeneration potential, could persist in adult mammalian heart. (bvsalud.org)
  • The initial data from our investigation indicates the presence of Leptospira sp in rodent vectors, Rattus, Lophuromys and Praomys , which are the potential small mammalian reservoirs of this pathogen in Cote d'Ivoire. (who.int)
  • As the oocyte matures in the postnatal mammalian ovary during folliculogenesis it increases exponentially in volume, and the oocyte mitochondria population proliferates to about 100 000 mitochondria per healthy, mature murine oocyte. (cdc.gov)
  • This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/ 4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. (folkhalsomyndigheten.se)
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. (lu.se)
  • No commercial reproduction, distribution, display or performance rights in this work are provided. (caltech.edu)
  • a rel='license' href ='http://creativecommons.org/licenses/by/4.0/' , which permits unrestricted use, distribution and reproduction in any medium, provided credit is given to the original author(s) and the source. (who.int)
  • Maladaptive variations in the neurochemical systems and reproductive system can lead to manifestation of several significant mammalian reprocesses, including mammalian ovarian lifespan. (elsevierpure.com)
  • Cutting-edge and practical, Cryopreservation of Mammalian Gametes and Embryos: Methods and Protocols includes chapters written by leading experts in the field and is a valuable resource for anyone interested in the field of cryopreservation. (ivf.net)
  • Assisted reproduction technologies (ART) were developed through the past few decades to produce high-yielding numbers of embryos. (hindawi.com)
  • By this experiment, we will know whether gravity is essential for mammalian embryo development or not," Wakayama said. (cyprus-mail.com)
  • In 2010, Dr. Woodruff - in collaboration with her husband Dr. Thomas O'Halloran - made the paradigm shifting discovery that zinc regulates keep aspects of mammalian reproduction, including meiosis, fertilization, and early embryo development. (gf.org)
  • In the first stage of sexual reproduction, meiosis , the number of chromosomes is reduced from a diploid number (2n) to a haploid number (n). (wikipedia.org)
  • The captive bred animal populations showing centric fusion polymorphism can serve as a model for analysis of the impact of the rearrangement on meiosis and reproduction. (springer.com)
  • Burgoyne PS, Mahadevaiah SK, Turner JM (2009) The consequences of asynapsis for mammalian meiosis. (springer.com)
  • The Spir/formin cooperativity has been identified to direct two essential steps in mammalian oocyte maturation, the asymmetric spindle positioning and polar body extrusion during meiosis. (rcsb.org)
  • Complete IVG has not been achieved in any other mammalian species besides mice. (nature.com)
  • They specifically chose mice since they are a mammalian species that reproduces sexually. (universetoday.com)
  • However, mammalian species such as mice or rats are very sensitive and difficult to take care of by astronauts aboard the ISS, especially for a reproduction study. (universetoday.com)
  • Trail-blazing space reproduction research that yielded healthy baby mice produced using freeze-dried sperm stored for years in orbit is showing the possibilities of procreation beyond Earth, with future implications for humans exploring the cosmos. (cyprus-mail.com)
  • Nevertheless, the recapitulation of female germ cell development from the early preantral stage is challenging and remains in its rudimentary stage for mammalian species. (nature.com)
  • On the other hand, the study and the preliminary propagation of the basic biological knowledge and for new technologies, are very requested, therefore there are great species-specific variations that need to be considered in the global development of protocols in assisted reproduction. (vin.com)
  • The assisted reproduction of wild animals is in some ways a proposal controversial, a time that the ideal in conservative terms would be to indirectly act in the maintenance of the species, supplying areas with considerable abundance of foods and shelter, however, would be an utopia to wait a reversion of the negative trend of the human action in the environment. (vin.com)
  • However, mammalian species are very different compared to those species, such as being born from a mother (viviparity). (universetoday.com)
  • To know whether mammalian reproduction is possible or not, we must use mammalian species for experiments. (universetoday.com)
  • His research includes also the study of reproduction and fertility in zoo animals and endangered species. (infertile.com)
  • 2000). In this direction, strategies of ex situ conservation objectifies to help in the conservation of a viable population by means of strategies of assisted reproduction and cryopreservation of genetic sources (Andrabi & Maxwell, 2007). (vin.com)
  • Wakayama said the findings regarding freeze-dried mouse sperm suggest that this method could be used for human reproduction in space if such long missions are realized. (cyprus-mail.com)
  • Objective(s): To benefit from reproduction and deal with challenges in the environmental conditions, animals must adapt internal physiology to maximize the reproduction rate. (elsevierpure.com)
  • You'll undertake a comprehensive examination of mammalian physiology, with an emphasis on regulation of reproduction, lactation, fluid homeostasis and growth. (lincoln.ac.nz)
  • Analyse critically scientific papers from research in mammalian physiology. (lincoln.ac.nz)
  • Research has established the broad mammalian developmental plan that genes on the sex chromosomes influence gonad development which determines gonadal hormone production (or its absence) leading to modification of the genitalia and simultaneously biasing the nervous system to organize adult sexual behavior. (hawaii.edu)
  • The parasite undergoes severe developmental bottlenecks during sexual reproduction in the mosquito midgut and during sporozoite infection of the human, making these two stages of the life cycle excellent targets for the development of new anti-malarial strategies. (nih.gov)
  • This database holds information regarding genes and literature related to mammalian reproduction. (nih.gov)
  • Since a genes' survivability ultimately comes down to reproduction, whether an individual can have kids is the primary determinant of viability. (marksdailyapple.com)
  • The micromechanical mechanisms that underpin tuning and dynamic range compression in the mammalian inner ear are fundamental to hearing, but poorly understood. (nature.com)
  • Marcos Morgan, Ph.D. , head of the NIEHS Male Reproduction and RNA Biology Group, was one of two invited presenters from the local region. (nih.gov)
  • Larger populations appear to respond more quickly to some of the benefits obtained through sexual reproduction than do smaller population sizes. (wikipedia.org)
  • The evolution of sexual reproduction is considered paradoxical, [10] because asexual reproduction should be able to outperform it as every young organism created can bear its own young. (wikipedia.org)
  • Understanding the nature and regulation of the Spir/Fmn cooperation is an important requirement to comprehend mammalian reproduction. (rcsb.org)
  • However, some processes in bacteria, including bacterial conjugation , transformation and transduction , may be considered analogous to sexual reproduction in that they incorporate new genetic information. (wikipedia.org)
  • However, one definite advantage of sexual reproduction is that it increases genetic diversity and impedes the accumulation of harmful genetic mutations . (wikipedia.org)
  • We appealed to the Society for the Study of Reproduction [SSR] and they shared their platform," she added. (nih.gov)
  • Studies of animal reproduction range a diversity of areas that are interrelated, including gamete biology, embryology and endocrinology, however, the advances most significant for the attended reproduction come being observed in the cryobiology. (vin.com)
  • The first fossilized evidence of sexual reproduction in eukaryotes is from the Stenian period, about 1.05 billion years old. (wikipedia.org)
  • 28, 2023 Scientists from around the globe are using the largest mammalian genomic dataset in history to determine the evolutionary history of the human genome in the context of mammalian evolutionary history. (sciencedaily.com)
  • Please contact the author for information regarding the reproduction and use of this thesis or dissertation. (emory.edu)
  • Modern humans (Homo sapiens), generally show the typical mammalian pattern of male-biased mortality. (blogspot.com)
  • Sexual selection is a mode of natural selection in which some individuals out-reproduce others of a population because they are better at securing mates for sexual reproduction. (wikipedia.org)
  • In her presentation, Maddox noted that Hispanic and Black women face increased health risks associated with reproduction, due in part to biases, prejudices, and stereotyping from the healthcare system. (nih.gov)
  • Mammalian orthoreovirus (reovirus) represents an interesting system in which to study the relationship between replication mechanism and reassortment frequency. (emory.edu)
  • Sexual reproduction is the most common life cycle in multicellular eukaryotes, such as animals , fungi and plants . (wikipedia.org)
  • Lesser animals reproduce en masse, like spiders with hundreds of eggs in a single go or salmon with 2,500 eggs per kilo of bodyweight - quantity over quality. (marksdailyapple.com)
  • In this way there are more abundant study in assisted reproduction in felids that any another wild group. (vin.com)
  • UW News featured a press release about a recent fossil discovery that impacts how we view mammalian reproduction . (washington.edu)
  • Theory and comparative evidence suggest that differential costs of reproduction between the sexes may explain the differences in sex-biased mortality across large taxonomic groups. (blogspot.com)