Lecture 34: Ruminant Osteology and Myology

how many pairs of ribs does the caprine have?

13 pairs

label the palpable parts of the goat.

1. atlas

2. last cervical vertebrae (C7)

3. last rib

4. first lumbar vertebrae (L1)

5. last lumbar vertebrae (L7)

6. sacrum

7. acromion

8. greater tubercle

9. olecranon

10. lateral epicondyle

11. coxal tuber

12. ischial tuber

13. greater trochanter

14. patella

15. lateral condyle of the tibia

16. calcaneus

how many cervical vertebrae do goats have?

7

how many thoracic vertebrae do goats have?

12-13

how many lumbar vertebrae do goats have?

7

label the circled numbers.

8 - deltoideus m.

12 - triceps brachii m, long head

13 - triceps brachii m, lateral head

15 - latissimus dorsi m

23 - external abdominal oblique m

why is the goat’s scapular cartilage large?

there is increased surface area of the infraspinous fossa

what bones are fused in the caprine skeleton?

metacarpals 3 and 4

what is P1 technically called?

proximal phalanx

what is P2 technically called?

middle phalanx

what is P3 technically called?

distal phalanx

label parts off the lateral thoracic limb.

1. supraspinous fossa

2. spine of scapula

3. greater tubercle of humerus

4. deltoid tuberosity

5. lateral epicondyle of humerus

6. radius

7. ulna

8. humerus

9. infraspinous fossa

10. scapular cartilage

how many proximal sesamoids does a goat have per digit?

2

how many distal sesamoids does a goat have per digit?

1

goats are

even-toed ungulates

what is the technical name for even-toed ungulates?

artiodactyl

goats bear weight on

toes 3 and 4

label the craniolateral antebrachial extensor muscles.

1. extensor carpi radialis m

2. common digital extensor m

3. lateral digital extensor m

4. ulnaris lateralis m

what joint are the proximal sesamoids at?

metacarpophalangeal joint

what joint is the distal sesamoid at?

distal interphalangeal joint

label these parts of the distal manus skeleton.

1. proximal sesamoid bones

2. extensor process

3. distal sesamoid bone (navicular bone)

label these shoulder muscles.

1. deltoideus m

2. supraspinatus m

3. infraspinatus m

4. triceps brachii m, long head

label this muscle.

flexor carpi ulnaris m.

label these muscles.

1. superficial digital flexor m, superficial portion

2. superficial digital flexor m, deep portion

label the caudomedial antebrachial flexors.

1. superficial digital flexor m

2. deep digital flexor m

3. superficial digital flexor tendon, superficial portion

4. superficial digital flexor tendon, deep portion

what are the 2 components of common digital extensor tendon?

lateral and medial portions

the lateral portion of the common digital extensor tendon divides and inserts at

extensor processes of both distal phalanges 3 and 4

what are these 2 structures of the ovine?

1. the opening of the interdigital sinus

2. interdigital sinus (biflex canal)

which digits are the dewclaws of the goat?

2 and 5

what is a remnant of the fibula?

lateral malleolus

the medial malleolus is part of the

tibia

the biceps femoris and the superficial gluteal combine in ruminants to form

gluteobiceps muscle

what is this muscle?

tensor fascia lata muscle

what is this muscle?

middle gluteal muscle

what is this muscle?

gluteobiceps muscle

what is this?

semi-tendinosus muscle

what is this?

semi-membranosus muscle

what nerve is this?

cranial gluteal nerve

what nerves are blocked for a c-section?

dorsal and ventral branches of lumbar spinal nerves