Brainscape's Knowledge GenomeTM

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


See full index

Spinal > 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 speak 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

Par axial mesoderm

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

What does par axial mesoderm give rise to that will form the 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, myotonic 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

Sclerotoma

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

List in order, the names of the 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 blastem 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

Inter segmental 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 a dense caudal sclerotomite

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

What forms between the sclerotomite said 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

The intrasclerotomal fissure gives rise to what developmental feature?

A

The perichordal disc

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

The perichordal disc in the presumptive location of what adult feature?

A

The intervertebral disc

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

What is the earliest embryonic feature what will Id the position of the adult interertrebral disc?

A

The intrasclerotomal fissure

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

The Union of a dense caudal sclerotomite and a loos cranial sclerotomite from adjacent perichordal blastemae give rise to what feature?

A

The vertebral blastema

17
Q

What vessel will be IDed adjacent to the vertebral blastema?

A

The segmental artery

18
Q

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

A

Chondrification

19
Q

Chondrification begins in which region of the embryonic vertebral column?

A

The cervical region

20
Q

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

A

Centrum center, neural arch center, transverse process center

21
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

22
Q

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

A

During the 7th embryonic week

23
Q

Ossification begins in which region of the embryonic vertebral column?

A

The lower vertical-upper thoracics region

24
Q

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

A

3 primary centers: 5 secondary centers

25
Q

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

A

Centrum centers and neural arch centers

26
Q

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

A

There.. 1 for the centrum, 2 for the neural arches

27
Q

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

A

Cartilage synchro dross/amhiarthrosis synchondrosis

28
Q

What are the names of the synchondrosis forming between primary centers of ossification?

A

Neurocentral synchondrosis and neural arch synchondrosis

29
Q

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

A

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

30
Q

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

A

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

31
Q

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

A

Cartilage synchondrosis/amphiarthrosis synchondrosis

32
Q

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

A

Tip of the transverse process synchondrosis, tip of the spinous process synchondrosis, and epiphyseal ring synchondrosis

33
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

34
Q

What is the name given to enters of ossification based on time of appearance?

A

Primary centers appear in utero, secondary centers appear after birth

35
Q

When will cartilage first form in the membranous vertebral blastema?

A

Beginning in the 6th embryonic week

Spinal (47 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions