Week 3 (Skeletal System)

Question 1

What is the Axial Skeleton?

Answer 1

forms the central axis, skull/ vertebrae column and rib cage

Question 2

What is the Appendicular Skeleton?

Answer 2

comprises of fore/ hind limbs and limb girdles- attach to body

Question 3

What is the Splanchnic Skeleton?

Answer 3

consists of only the os penis- soft tissues (cats and dogs)

Question 4

What are the types of bones?

Answer 4

long, short, flat and irregular

Question 5

What are Sesamoid bones?

Answer 5

develop within a tendon, patella= one large bone, protects tendon fabellae= two small bones, proximal to gastrocnemius

Question 7

What is the Splanchnic bone?

Answer 7

os penis, not attached to rest of skeleton, develops in soft organ

Question 8

What are the two types of ossification?

Answer 8

intramembranous and endochondral

Question 9

What is Intramembranous ossification?

Answer 9

process of flat bones of skull are formed, osteoblasts lay down between 2 layers of fibrous connective tissue- NO CARTILAGE

Question 10

What is the Endochondral ossification?

Answer 10

replacement of a hylaine cartilage model within embryo by bone, long bones of limb develop

Question 11

List the types of vertebrae in the skeleton.

Answer 11

Cervical, Thoracic, Lumbar and Coccygeal (caudal)

Question 12

What are intervertebral discs?

Answer 12

composed of tough fibrous connective tissue outer layer and core gelatinous material- linked by ligaments