Embryology; Musculoskeletal System Photos Flashcards
1
Q

A
- hyaline cartilage
- joint interzone
- mesenchymal cells (will form ligaments and capsule)
2
Q

A
paraxial mesoderm
3
Q

A
- dermatome
- myotome
- sclerotome
4
Q

A
- somite
- forming vertebra
5
Q
What is this showing?

A
Ribs outcropping from vertebra
6
Q
The red portion is derived from? The blue?

A
red: paraxial mesoderm (sclerotome)
blue: neural crest
7
Q

A
annulus fibrosus of intervertebral discs
8
Q
This is showing what?

A
Sclerotomes undergoing resegmentation; note how the less dense cranial portion of one and the more dense caudal portion of another are fusing together
9
Q

A
costal processes
10
Q

A
sternal bars; sternal development
11
Q

A
- cervical
- thoracic
- lumbar
- sacral
12
Q

A
- anterior fontalelle
- posterior fontanelle
13
Q

A
scaphocephaly
14
Q

A
brachycephaly
15
Q

A
myotome
16
Q

A
ventrolateral lip myoblasts (muscle cells)
17
Q

A
- epaxial muscles
- hypaxial muscles
18
Q

A
- ectodermal lining
- mesenchyme
19
Q

A
- progress zone
- AER (apircal ectodermal ridge)
20
Q
What is this image depicting

A
outgrowth of limb
21
Q
What is this image depicting?

A
limb rotation
22
Q

A
digit ray
23
Q
What is this image depicting?

A
paddle stage of limb growth
24
Q

A
polydactyly
25
Q

A
syndactyly