Cranial Visceral Compartment

Question 1

What does the internal jugular vein run close to? What will it eventually join with?

Answer 1

carotid &
vagosympathetic
join with external jugular vein

Question 2

Label the diagram

Answer 2

1. parotid lymph center
2. mandibular lymph center
3. lateral retropharyngeal lymph center
4. superficial cervical lymph center

Question 3

The mandibular gland sits in between which veins?

Answer 3

maxillary vein
linguofacial vein
lingual vein

Question 4

The mandibular duct runs in the _____ space and opens in the ________.

Answer 4

sublingual
sublingual caruncle

Question 5

The mandibular gland is an ovoid gland located in the ______, [cranial/caudal] to the angle of the _____, and [dorsal/ventral] to the wing of the atlas

Answer 5

neck
caudal
mandible
ventral

Question 6

Define sublingual gland (monostomatic)

Answer 6

located rostral to the mandibular gland
its duct runs with the mandibular gland duct and opens in the sublingual caruncle

Question 7

What are the two major salivary glands?

Answer 7

monostomatic gland (sublingual)
polistomatic gland (sublingual)

Question 8

What are polistomatic (sublingual glands) aka where are they, where do they open?

Answer 8

group of small salivary glands
located in the sublingual space
opens directly in the sublingual space through several short ducts

Question 9

The geniohyoideus and mylohyoideus mm. form the _______

Answer 9

floor of the oral cavity

Question 10

What two veins combine to form the external jugular vein?

Answer 10

linguofacial vein
maxillary vein

Question 11

Label the picture 1 & 2

Answer 11

1. geniohyoideus m.
2. mylohyoideus m.

Question 12

Which nerve is motor for the tongue? What artery runs with this nerve?

Answer 12

CN XII (hypoglossal n.)
lingual a.

Question 13

The esophagus is towards the [right/left].

Answer 13

left

Question 14

What is the carotid sheath, or vagina carotica? Which vessels/ducts/nerves does it house?

Answer 14

special loose fascia
common carotid a.
internal jugular vein
vagosympathetic trunk
tracheal duct
“calculus is very tricky”

Question 15

List the preganglionic sympathetic and parasympathetic of the vagosympathetic trunk

Answer 15

preganglionic SYMPATHETIC: to cranial cervical ganglion in head
preganglionic PARAsympathetic (vagus): to thoraco-abdominal organs (GVA) from thoraco-abdominal organs

Question 16

What are the GSA and GSE nerves for the vagosympathetic trunk?

Answer 16

GSA: recurrent laryngeal n.
GSE: from accessory n. to form recurrent laryngeal n.

Question 17

List the parts of the larynx.

Answer 17

vestibular fold
laryngeal ventricle
vocal fold
cricothyroid ligament

Question 18

What closes the space between the thyroid and cricoid cartilage?

Answer 18

cricothyroid ligament

Question 19

What is this structure?

Answer 19

cricothyroid muscles

Question 20

Label these structures 1-5

Answer 20

1. thyroid gland (reflected)
2. cricoid muscles
3. thyroid
4. cricothyroid ligament
5. cricoid

Question 21

What do cranial roots join with? They then form the _______

Answer 21

vagus nerve
form the recurrent laryngeal nerve

Question 22

Which nerve branches right off the vagosympathetic trunk and by the cranial cervical ganglion?

Answer 22

cranial laryngeal n.

Question 23

What is the only muscle the cranial laryngeal n. is motor to? Otherwise, it is sensory to coughing.

Answer 23

cricothyroid mm.

Question 24

The caudal laryngeal n. is from the _______ nerve. It is [motor/sensory] to ______

Answer 24

recurrent laryngeal n.
motor to most of the muscles of the larynx

Question 25

What is the ansa cervicalis? (It is between ____ and ____ nerves)

Answer 25

neural loop between CN XII and 1st cervical spinal nerve

Question 26

The ansa cervicalis is the origin of the motor nn. to which two muscles? What do these two muscles aid in?

Answer 26

sternohyoideus m.
sternothyroideus m.
swallowing reflex!