Lab 1: Neck, withers and thorax

Question 1

which structure helps support the heavy head?

hint it’s a ligament

Answer 1

nuchal ligament (funicular part)

Question 2

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

Answer 2

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

Question 3

which vein is contained within the jugular groove?

Answer 3

the external jugular vein

Question 4

the jugular vein lies between which two muscles?

Answer 4

the sternocephalicus muscle ventrally and the brachiocephalicus muscle dorsally

Question 5

where is venipuncture commonly performed?

Answer 5

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

Question 6

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

Answer 6

cranial division: cleidomastoideus

caudal division: cleidobrachialis

Question 7

where do the divisions of the brachiocephalicus insert?

Answer 7

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

Question 8

what is the origin and insertion of the omotransversarius muscle?

Answer 8

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

Question 9

what does the accessory nerve innervate?

Answer 9

the cranial portion of the trapezius cervicis

Question 10

the omohyoideus muscle occupies the space between what two structures?

Answer 10

the external jugular vein and the carotid sheath

Question 11

What is the AXIAL skeleton composed of?

Answer 11

vertebral column, ribs, sternum, and skull

Question 12

What is the APPENDICULAR skeleton composed of?

Answer 12

bones of the limbs

Question 13

vertebral formula for the horse

Answer 13

C7 T18 L6 S5 Cd15-21

Question 14

Three main parts of a typical vertebra

Answer 14

body, arch, processes

Question 15

What part of vertebrae connects to muscles and ligaments?

Answer 15

spinous processes

Question 16

fx of cervical vertebrae

Answer 16

enhance the functions of support and movement of the head

Question 17

First vertebra =

Answer 17

atlas

Question 18

second vertebra =

Answer 18

axis

Question 19

canal that spinal cord runs through is known as:

Answer 19

vertebral (or spinal) canal

Question 20

what occurs at vertebral notch?

Answer 20

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

Question 21

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

Answer 21

body and spinous processes

Question 22

fx of lateral vertebral foramen in the atlas

Answer 22

accommodates passage of vertebral vessels and first cervical nerve

Question 23

wings of the atlas are considered modified what?

Answer 23

transverse processes. A palpable landmark

Question 24

fx of transverse and alar foramens of atlas

Answer 24

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

Question 25

fx of lateral vertebral foramen in the axis

Answer 25

passage of the C2 and vertebral vessels

Question 26

which cervical vertebra usually has no transverse foramen?

Answer 26

7th cervical vertebra