BGDB Practical - Sexual Differentiation: Difference between revisions
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==Genital Timeline== | ==Genital Timeline== | ||
''These are approximate timings and stages only.'' | |||
24 days - intermediate mesoderm, pronephros primordium | * [[Carnegie stage 11|24 days]] - intermediate mesoderm, pronephros primordium | ||
* [[Carnegie stage 13|28 days]] - mesonephros and mesonephric duct | |||
28 days - mesonephros and mesonephric duct | * [[Carnegie stage 15|35 days]] - uteric bud, metanephros, urogenital ridge | ||
* [[Carnegie stage 17|42 days]] - cloacal divison, gonadal primordium (indifferent) | |||
35 days - uteric bud, metanephros, urogenital ridge | * [[Carnegie stage 19|49 days]] - paramesonephric duct, gonadal differentiation | ||
* [[Carnegie stage 23|56 days]] - paramesonephric duct fusion (female) | |||
42 days - cloacal divison, gonadal primordium (indifferent) | * 100 days - primary follicles (ovary) | ||
49 days - paramesonephric duct, gonadal differentiation | |||
56 days - paramesonephric duct fusion (female) | |||
100 days - primary follicles (ovary) | |||
==Textbooks== | ==Textbooks== |
Revision as of 12:00, 28 May 2012
Introduction
Practical 12: Sex Determination | Early Embryo | Late Embryo | Fetal | Postnatal | Abnormalities | 2011 Audio |
This practical will introduce the topic of sexual differentiation during development through a series of online resource pages.
Aim: This practical is an introduction to the earliest events in Sexual Differentiation.
Key Concepts: Primordial germ cells, gonad, internal genitalia, external genitalia, ovary, testes, puberty, hormonal changes, gametogenesis, abnormalities.
Background
Genital Timeline
These are approximate timings and stages only.
- 24 days - intermediate mesoderm, pronephros primordium
- 28 days - mesonephros and mesonephric duct
- 35 days - uteric bud, metanephros, urogenital ridge
- 42 days - cloacal divison, gonadal primordium (indifferent)
- 49 days - paramesonephric duct, gonadal differentiation
- 56 days - paramesonephric duct fusion (female)
- 100 days - primary follicles (ovary)
Textbooks
Practical 12: Sex Determination | Early Embryo | Late Embryo | Fetal | Postnatal | Abnormalities | 2011 Audio |
BGDB: Lecture - Gastrointestinal System | Practical - Gastrointestinal System | Lecture - Face and Ear | Practical - Face and Ear | Lecture - Endocrine | Lecture - Sexual Differentiation | Practical - Sexual Differentiation | Tutorial
Glossary Links
- Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link
Cite this page: Hill, M.A. (2024, June 16) Embryology BGDB Practical - Sexual Differentiation. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/BGDB_Practical_-_Sexual_Differentiation
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G