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