Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Spinal Anatomy > Basic Embryology of the Vertebral Column > Flashcards

Basic Embryology of the Vertebral Column Flashcards

1
Q

What are the 3 layers of the embryo called?

A

Ectoderm, Mesoderm, Endoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Invagination of ectoderm along the primitive streak gives rise to what embryonic structure?

A

Notochord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the name given to the mesoderm that will give rise to the vertebral column?

A

Paraxial mesoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does paraxial mesoderm give rise to that will form vertebral column?

A

Somites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name the areas of cellular differentiation formed within the somite?

A

Sclerotome, myotome, and dermatome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What part of the somite will give rise to the vertebral column?

A

Sclerotome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

List, in order, the names of successive vertebral columns formed during development?

A

Membranous, cartilaginous, skeletal or osseous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Migration of sclerotomes to surround the notochord forms what developmental feature?

A

The perichordal blastema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The perichordal blastema gives rise to what processes?

A

Neural processes and costal processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the name of the artery located between adjacent perichordal blastemae?

A

Intersegmental artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cell proliferation within the perichordal blastema will result in what features?

A

A loose cranial sclerotomite and dense caudal scerotomite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What forms between the sclerotomites of a perichordal blastema?

A

The intrasclerotomal fissure (fissure of von Ebner)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the earliest embryonic that will identify the position of the adult intervertebral disc?

A

Intrasclerotomal fissure (fissure of von Ebner)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The union of a dense caudal scleratomite and a loose cranial sclerotomite adjacent perichordal blastemae gives rise to what feature?

A

The vertebral blastema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What vessel will be identified adjacent to the vertebral blastema?

A

The segmental artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the name given to the replacement of mesoderm by cartilage?

A

Chondrification

17
Q

Chondrification begins in which region of the embryonic vertebral column?

A

The cervical area

18
Q

What are the names given to the centers of chondrification within the vertebral blastema?

A

centrum center, neural arch center, transverse process center

19
Q

What is the earliest time that centers of ossification appear in the cartilaginous vertebra?

A

During the 7th embryonic week

20
Q

What is the ratio of primary to secondary centers of ossification for a typical vertebra?

A

3 primary centers: 5 secondary centers

21
Q

What are the names of the primary centers of ossification for a typical vertebra?

A

Centrum centers and neural arch centers

22
Q

What is the classification of the joint forming between primary centers of ossification?

A

Cartilage synchondrosis/amphiarthrosis synchondrosis

23
Q

What are the names of the synchondroses forming between primary centers of ossification in the typical vertebra?

A

Neurocentral synchondrosis and neural arch synchondrosis

24
Q

What are the names of the five secondary centers of ossification for a typical vertebra?

A

Tip of spinous process, tip of the spinous process, epiphyseal plate centers

25
Q

How many secondary centers of ossification appear in the typical vertebra?

A

5… 1 for the tip of the spinous process, 1 for the tip of each transverse process, 1 for each epiphyseal plate

26
Q

What is the classification of the joint forming between secondary centers of ossification and the rest of the typical vertebra?

A

Cartilage synchondrosis/ amphiarthosis synchondrosis

27
Q

What are the names of the synchondroses forming between secondary centers of ossification and the rest of the typical vertebra?

A

Tip of the transverse process synchondrosis
Tip of the spinous process synchondrosis
Epiphyseal ring synchondrosis

28
Q

What is the range of appearance for secondary centers of ossification of a typical vertebra?

A

during puberty, typically ages 11-16 years old

29
Q

How many centers of chondrification typically appear in the vertebral blastema?

A

six… 2 for the centrum, 2 for the neural arch, 2 for each transverse process

Spinal Anatomy (27 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions