BIOL 3010 Lecture Notes - Gastrointestinal Tract, Somatopleuric Mesenchyme, Mothers Against Decapentaplegic Homolog 2

32 views3 pages
Published on 29 Jan 2013
Department
Course
Professor
Gastrulation
Post implantation: ICM Epiblast + Hypoblast
Gastulalation: epiblast cells move through a structure, forming layers
Amphibians – blastopore
Fish - germ ring
Amniotes - primitive streak
Starts 2 weeks after fertilization, and takes 2 more weeks to finish
Consequences:
1) Axes apparent (DV, AP, LR)
2) 3 germ layers (ecto, meso, endo) (endo moves through first)
3) cell fates restricted
Primitive Streak:
Made up of a constantly changing/moving cell population
(epithelium mesenchymal)
Epiblast, Hypoblast
Gastrulation
Primitive streak
Epithelium,
Mesenchymal
Unlock document

This preview shows page 1 of the document.
Unlock all 3 pages and 3 million more documents.

Already have an account? Log in

Get OneClass Notes+

Unlimited access to class notes and textbook notes.

YearlyBest Value
75% OFF
$8 USD/m
Monthly
$30 USD/m
You will be charged $96 USD upfront and auto renewed at the end of each cycle. You may cancel anytime under Payment Settings. For more information, see our Terms and Privacy.
Payments are encrypted using 256-bit SSL. Powered by Stripe.