TOPIC 12A - ART CARPI + MUSCLES

Question 1

how many carpal bone in Car?

Answer 1

7

Question 2

how many carpal bone in Eq?

Answer 2

7

Question 3

how many carpal bone in Ru?

Answer 3

6

Question 4

how many carpal bone in Sus?

Answer 4

8

Question 5

in which species is Cr and Ci fused and what is it called?

Answer 5

Ca

os carpi intermedioradiale

Question 6

what type of joint is art carpi?

what is it between?

Answer 6

synovial. composite

bw antebrachial, carpal, accessory and metacarpal bones

Question 7

list the articulations that make up art carpi (5)

Answer 7

art antebrachiocarpea
art mediocarpea
art carpometacarpea
art intercarpea
art ossis carpi accessorii

Question 8

what is art antebrachiocarpea known as in Eq?

Answer 8

art radiocarpea (hinge joint)

Question 9

what type of articulation is art antebrachiocarpea in 1. ca and
2. Ru?

Answer 9

1. ca - free joint (ellipsoidal)

2. Ru - cochlear joint

Question 10

what type of articulation is art carpometacarpea?

Answer 10

amphiarthrosis

Question 11

what type of articulation is art intercarpea?

Answer 11

amphiarthrosis

Question 12

what does the accessory carpal bone articulate with in ca?

Answer 12

ulna

Question 13

what does the accessory carpal bone articulate with in Eq?

Answer 13

proc. styloideus lateralis

Question 14

list the ligaments of art carpi (6)

Answer 14

lig collaterale
lig antebrachiocarpale
lig mediocarpea
lig intercarpea
lig carpometacarpea
lig of accessory carpal bone

Question 15

name the collateral ligaments

Answer 15

lig collaterale laterale

lig collaterale mediale

Question 16

name the ligaments of lig antebrachiocarpale

Answer 16

lig radiocarpeum dorsale (not in eq)
lig radiocarpeum palmare
lig ulnocarpale palmare

Question 17

name the mediocarpea ligament

Answer 17

lig carpi radiobum

Question 18

name the intercarpea ligaments

Answer 18

lig intercaprea dorsalis (not in eq)
lig intercaprea palmare
lig intercaprea interossea

Question 19

name the carpometacarpea ligaments

Answer 19

lig carpometacarpea dorsalis

lig carpometacarpea palmare

Question 20

name the ligaments of the accessory carpal bone

Answer 20

lig accessorioulnare
lig accessoricarpoulnare
lig accessoriometacarpeum
lig accessorioquartale

Question 21

what does the retinaculum flexoria and extensorius do?

Answer 21

strengthens the joint capsule

Question 22

how many metacarpals in Eq?

Answer 22

3 (MC II, MC III, MC IV)

Question 23

how many metacarpals in Ru?

Answer 23

3 (MC III + MC IV fused, MC V)

Question 24

how many metacarpals in ca?

Answer 24

all 5

Question 25

how many metacarpals in Sus?

Answer 25

4 (MC I not present)

Question 26

what is the function of os sesmoidea proximalis?

Answer 26

protects the tendon from the joint

Question 27

how many prox. sesmoid bones in eq?

Answer 27

2

Question 28

how many prox. sesmoid bones in Ru?

Answer 28

4

Question 29

how many prox. sesmoid bones in ca?

Answer 29

9

Question 30

list the muscles of art carpi

Answer 30

m. ext. carpi radialis m. ext. carpi ulnaris m. flex. carpi radialis m. flex. carpi ulnaris

Question 31

what feature do ca also have

Answer 31

cartilageneous ossa sesamoidea proximalis