Lab 1: Neck, withers and thorax Flashcards Preview

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Flashcards in Lab 1: Neck, withers and thorax Deck (26):
1

which structure helps support the heavy head?

*hint* it's a ligament

nuchal ligament (funicular part)

2

what is the origin and insertion of the cutaneous colli muscle?

origin: manubrium of the sternum
insertion: fascia of the shoulder

3

which vein is contained within the jugular groove?

the external jugular vein

4

the jugular vein lies between which two muscles?

the sternocephalicus muscle ventrally and the brachiocephalicus muscle dorsally

5

where is venipuncture commonly performed?

in the external jugular within the cranial half of the jugular groove

6

the brachiocephalicus is made up of a cranial division and caudal division. what are their names?

cranial division: cleidomastoideus
caudal division: cleidobrachialis

7

where do the divisions of the brachiocephalicus insert?

the cranial division inserts: on the mastoid process of the temporal bone. from there it continues as the caudal division to insert on the humerus

8

what is the origin and insertion of the omotransversarius muscle?

origin: at the shoulder
inserts: on the transverse processes of the cervical vertebrae

9

what does the accessory nerve innervate?

the cranial portion of the trapezius cervicis

10

the omohyoideus muscle occupies the space between what two structures?

the external jugular vein and the carotid sheath

11

What is the AXIAL skeleton composed of?

vertebral column, ribs, sternum, and skull

12

What is the APPENDICULAR skeleton composed of?

bones of the limbs

13

vertebral formula for the horse

C7 T18 L6 S5 Cd15-21

14

Three main parts of a typical vertebra

body, arch, processes

15

What part of vertebrae connects to muscles and ligaments?

spinous processes

16

fx of cervical vertebrae

enhance the functions of support and movement of the head

17

First vertebra =

atlas

18

second vertebra =

axis

19

canal that spinal cord runs through is known as:

vertebral (or spinal) canal

20

what occurs at vertebral notch?

two adjacent vertebrae form an intervertebral foramen for the passage of spinal nerves and accompanying vessels

21

what structures are missing from atlas that are found on other vertebrae?

body and spinous processes

22

fx of lateral vertebral foramen in the atlas

accommodates passage of vertebral vessels and first cervical nerve

23

wings of the atlas are considered modified what?

transverse processes. A palpable landmark

24

fx of transverse and alar foramens of atlas

accommodates passage of vertebral vessels. The alar foramen is connected with the lateral foramen by a short groove

25

fx of lateral vertebral foramen in the axis

passage of the C2 and vertebral vessels

26

which cervical vertebra usually has no transverse foramen?

7th cervical vertebra

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