The male sex chromosome which contains the sry gene producing Testis-Determining Factor required for male phenotype and can only be inherited from father. In humans the chromosome contains 200+ genes and consists of 50 million base pairs. Testis-Determining Factor (TDF; Testis-Determining Factor on Y, TDY ) is a protein transcription factor and a member of the high mobility group (HMG)-box family of DNA binding proteins. See also the transcription factor SRY-related protein, SOX9 (SRY-related high-mobility group (HMG) box 9).
(More? Y Chromosome | Molecular Notes | Week 1 Notes | OMIM)
(iliofemoral ligament) ligament that extends from the anterior inferior iliac spine to the intertrochanteric line of the femur.
The name given to the fluid contents of the yolk sac in reptiles and birds, it has the function of providing nutrition for embryonic growth.
(More? Week 2 Notes)
An extraembryonic membranewhich is endoderm origin and covered with extraembryonic mesoderm. Yolk sac lies outside the embryo connected initially by a yolk stalk to the midgut with which it is continuous with. The endodermal lining is continuous with the endoderm of the gastrointestinal tract. In reptiles and birds, the yolk sac has a function associated with nutrition. In mammals the yolk sac acts as a source of primordial germ cells and blood cells.
(More? Week 2 Notes | Gastrointestinal Tract Notes | Cardiovascular System - Blood)
Tube-like extension of the yolk sac which lies outside the embryo with the midgut inside the embryo. The endodermal lining is continuous with the endoderm of the gastrointestinal tract.
(More? Week 2 Notes | Gastrointestinal Tract Notes | Cardiovascular System - Blood)
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Use this page to access brief definitions of specific alphabetically listed embryology terms. Additional information can be accessed from links listed at the end of each definition. Glossary from the UNSW Embryology program compiled and written by Dr Mark Hill. Reference Material used in preparing Glossary List: Texts listed on page 1 Reading of each notes section, Department of Anatomy Publications, WWW resources from NCBI, AMA (USA), Office of Rare Diseases (USA), PubMed Medline Dictionaries, MSDS, Merck Manual home edn., NHMRC (Australia). These notes are for Educational Purposes Only. Please email Dr Mark Hill if you wish to make a comment about this current project. |
