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Spinal Anatomy I - Exam 3 > Ribs > Flashcards

Flashcards in Ribs Deck (13):
1

In what part of the rib will primary centers of ossification appear?

the body

2

In what parts of the rib will secondary centers of ossification appear?

- head
- articular surface of the tubercle
- non-articular surface of the tubercle

3

When do primary centers of ossification appear in the rib?

during the 2nd fetal month

4

When do secondary centers of ossification appear in the rib?

during puberty

5

When do the synchondroses between the centers of ossification for the ribs ossify?

as early as age 20

6

Which ribs will demonstrate primary centers of ossification for the body?

all ribs

7

Which ribs will demonstrate secondary centers of ossification?

ribs 1-10

8

Which ribs lack secondary ossification centers?

ribs 11 and 12

9

Which ribs demonstrate three secondary centers of ossification?

ribs 2-9

10

Which ribs have only two secondary centers of ossification?

ribs 1 and 10

11

How does rib 1 differ in ossification centers from typical ribs?

- rib 1 has two secondary ossification centers: one for the head and one for the tubercle
- typical ribs have three secondary centers of ossification

12

How does rib 10 differ in ossification centers from typical ribs?

- rib 10 has two secondary ossification centers: one for the head and one for the tubercle
- typical ribs have three secondary centers of ossification

13

How do ribs 11 and 12 differ in ossification centers from typical ribs?

ribs 11 and 12 do not have secondary centers of ossification

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