11- Gastrulation Flashcards
1
Q
Ectoderm becomes
A
Epidermis and nervous system
2
Q
Mesoderm becomes
A
Muscle Bone Connective tissue Circulatory system Urogenital system Somatic tissue of gonads and kidneys
3
Q
Endoderm gives rise to
A
Gut lining derivatives
Epithelial portion of liver, pancreas, lungs
4
Q
BMP Inhibitors
A
Chordin
Noggin
Follistatin
5
Q
Wnt Inhibitors
A
Cerberus
Frzb
Dickkopf
IGF
6
Q
ICM Expresses
A
Nanog
Oct4
Sox2
7
Q
Trophoectoderm Expresses
A
CDX2
8
Q
Primitive endoderm expresses
A
Gata6
9
Q
Protosomes
A
Mouth forms first
10
Q
Deuterostomes
A
Anus forms first
11
Q
Invagination
A
Sheet of cells move in, forms tube
12
Q
Involution
A
Sheet of cells move in , cover internal surface
13
Q
Ingression
A
Individual cells move in
14
Q
Delamination
A
Cells move in and form independent layers
15
Q
Epiboly
A
Outer cells expand and enclose inner sheets
