TOPIC 12A - ART CARPI + MUSCLES Flashcards

1
Q

how many carpal bone in Car?

A

7

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2
Q

how many carpal bone in Eq?

A

7

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3
Q

how many carpal bone in Ru?

A

6

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4
Q

how many carpal bone in Sus?

A

8

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5
Q

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

A

Ca

os carpi intermedioradiale

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6
Q

what type of joint is art carpi?

what is it between?

A

synovial. composite

bw antebrachial, carpal, accessory and metacarpal bones

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7
Q

list the articulations that make up art carpi (5)

A
art antebrachiocarpea
art mediocarpea
art carpometacarpea
art intercarpea
art ossis carpi accessorii
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8
Q

what is art antebrachiocarpea known as in Eq?

A

art radiocarpea (hinge joint)

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9
Q

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

A
  1. ca - free joint (ellipsoidal)

2. Ru - cochlear joint

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10
Q

what type of articulation is art carpometacarpea?

A

amphiarthrosis

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11
Q

what type of articulation is art intercarpea?

A

amphiarthrosis

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12
Q

what does the accessory carpal bone articulate with in ca?

A

ulna

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13
Q

what does the accessory carpal bone articulate with in Eq?

A

proc. styloideus lateralis

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14
Q

list the ligaments of art carpi (6)

A
lig collaterale
lig antebrachiocarpale
lig mediocarpea
lig intercarpea
lig carpometacarpea
lig of accessory carpal bone
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15
Q

name the collateral ligaments

A

lig collaterale laterale

lig collaterale mediale

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16
Q

name the ligaments of lig antebrachiocarpale

A

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

17
Q

name the mediocarpea ligament

A

lig carpi radiobum

18
Q

name the intercarpea ligaments

A

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

19
Q

name the carpometacarpea ligaments

A

lig carpometacarpea dorsalis

lig carpometacarpea palmare

20
Q

name the ligaments of the accessory carpal bone

A

lig accessorioulnare
lig accessoricarpoulnare
lig accessoriometacarpeum
lig accessorioquartale

21
Q

what does the retinaculum flexoria and extensorius do?

A

strengthens the joint capsule

22
Q

how many metacarpals in Eq?

A

3 (MC II, MC III, MC IV)

23
Q

how many metacarpals in Ru?

A

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

24
Q

how many metacarpals in ca?

A

all 5

25
Q

how many metacarpals in Sus?

A

4 (MC I not present)

26
Q

what is the function of os sesmoidea proximalis?

A

protects the tendon from the joint

27
Q

how many prox. sesmoid bones in eq?

A

2

28
Q

how many prox. sesmoid bones in Ru?

A

4

29
Q

how many prox. sesmoid bones in ca?

A

9

30
Q

list the muscles of art carpi

A

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

31
Q

what feature do ca also have

A

cartilageneous ossa sesamoidea proximalis