Embryology of the Anterior Thorax & Arthrology of Skull... whoops.

Question 1

how many primary centers of ossification appear in the manubrium?

Answer 1

1-3 centers have been identified.

Question 2

how many primary centers of ossification appear in the corpus sterni?

Answer 2

typically 6

Question 3

in what part of the sternum will la secondary center of ossification appear?

Answer 3

the xiphoid process

Question 4

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

Answer 4

the body (corpus, shaft)

Question 5

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

Answer 5

the head, articular surface of the tubercle and the non-articular surface of the tubercle.

Question 6

which ribs will demonstrate secondary centers of ossification?

Answer 6

fibs 1-10

Question 7

which ribs lack secondary centers of ossification?

Answer 7

ribs 11 and 12

Question 8

which ribs demonstrate three secondary centers of ossification?

Answer 8

ribs 2-9

Question 9

which ribs have only two secondary centers of ossification?

Answer 9

ribs 1 and 10

Question 10

what are the four subclassifications of synarthrosis joints based on Latin groupings?

Answer 10

suture, gomphosis, schindylesis and syndesmosis

Question 11

what were the five types of sutures based on latin groupings?

Answer 11

serrate, denticulate, limbous, squamous and harmonia

Question 12

what are the characteristics of suture vera (true sutures)

Answer 12

sutures demonstrating interlocking of the adjacent bone surfaces; typically formed by intramembranous ossification

Question 13

what are the characteristics of suture notha (false sutures)?

Answer 13

sutures lacking interlocking of adjacent bone surfaces; typically formed by endochondral ossification

Question 14

which sutures demonstrate non-interlock, but will overlap at their edges?

Answer 14

squamous sutures

Question 15

what were the classifications of suture notha (false sutures) based on latin groupings?

Answer 15

squamous and harmonia

Question 16

what are the typical examples of the plane suture or harmonia suture?

Answer 16

cruciate suture made up of intermaxillary, interpalatine and palato-maxillary sutures

Question 17

what are examples of the schindylesis type of suture?

Answer 17

sphenoid-ethmoid -vomer-articulation, the palatine-maxilla- vomer articulation.

Question 18

what are the examples of the gomphosis joint?

Answer 18

maxilla - root of the tooth; mandible - root of tooth