Bones and Joints of Distal Limb Q's

Question 1

what is the order of the carpal bones

Answer 1

radial and intermediate fused

A

RI U

1 2 3 4

Question 2

how many centres of ossification do the carpal bones develop from

Answer 2

1

except for accessory carpal bone (2) and radio-intermediate bone (2)

Question 3

what are the features of the dorsal sesamoids

Answer 3

single

Question 4

where are the dorsal sesamoids located

Answer 4

dorsal aspect of every MCP/MTP joint

Question 5

what is the function of the dorsal sesamoids

Answer 5

embedded in and protect extensor tendons

Question 6

what are the 4 features of the distal phalanx in carnivores

Answer 6

1. ungual process
2. ungual crest
3. extensor process
4. palmar process

Question 7

what is the funciton of the ungual process

Answer 7

supports claw

Question 8

what is the funciton of the ungual crest

Answer 8

vascular root of claw

Question 9

what is the function of the extensor process

Answer 9

extensor tendons

Question 10

what is the funciton of the palmar process

Answer 10

flexor tendons

Question 11

identify the features of the distal phalanx

Answer 11