Exam II - Canine Head Flashcards Preview

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Flashcards in Exam II - Canine Head Deck (89)
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1

What are the muscles of mastication?

  • Masseter
  • Temporalis
  • Digastricus
  • Pterygoid

2

Which muscle acts to open the mouth?

Which cranial nerve(s) provide innervation to this muscle?

Digastricus m.

Mandibular branch of Trigeminal n (CN V) and Facial n (CN VII)

3

List the lingual muscles.  These muscles are all innervated by which cranial nerve(s)?

  • Styloglossus m.
  • Hyoglossus m.
  • Genioglossus m.

All innervated by CN XII: Hypoglossal n.

4

Genio- is a prefix meaning _______

Genio- is a prefix meaning chin

Example: Geniohyoideus m.

5

Mylo- is a prefix meaning _______

Mylo- is a prefix meaning molar

Example: Mylohyoideus m.

6

Which thin, flat muscle is the most superficial facial muscle?

Platysma m.

7

The molar salivary gland is only found in which species?

feline.

The molar salivary gland is on the lingual side of the last lower premolars.

 

8

Which lymphatic structure is found rostral to the parotid sliavary gland?

parotid lymph node

9

Which lymphatic structure straddles the linguofacial vein?

mandibular lymph node

10

Which lymphatic structure is found between the wing of the atlas and the larynx?

retropharyngeal lymph node (medial and lateral)

11

Name the gland that may be removed unintentionally if you are surgically extracting the thyroid gland

parathyroid gland

12

_________ laterally connects soft palate to nasopharynx

palatopharyngeal arches laterally connect soft palate to nasopharynx

13

_________ laterally connects tongue to soft palate

palatoglossal arches: laterally connects tongue to soft palate

14

What is the purpose of the larynx?

Protects trachea against food aspiration, and aids in breathing and phonation

15

A rapid narrowing and widening of the glottis by fast twitch muscles in the feline is also known as _________

purring

16

List the 4 cartilaginous structures of the Larynx

  • Epiglottic cartilage
  • Arytenoid cartilage
  • Thyroid cartilage
  • Cricoid cartilage

17

Which muscle(s) of the larynx tense(s) the vocal fold (phonation)?

cricothyroideus

18

Which muscle(s) of the larynx open(s) the glottis?

cricoarytenoideus dorsalis 

19

Which muscle(s) of the larynx close(s) the glottis?

cricoarytenoideus lateralis

20

Which muscle(s) of the larynx relax(s) the vocal fold & contrict the glottis?

thyroarytenoideus

21

The __________ supports the tongue and acts as attachments for lingual mm.; supports the larynx

hyoid apparatus

22

The opening to the _________ duct is at the 4th premolar

The opening to the parotid duct is at the 4th premolar

23

The circular opening at the front of the skull where the nose would be is the ___________

nasal aperture

24

The rostral alar foramen is connected to the caudal alar foramen by a tube called the _________

Alar canal

25

The location where the nasal cavities open into the nasopharynx is referred to as the _________.

Choanae

26

Which tooth is also called the Superior shearing tooth?

4th premolar

27

The _____________ pierces cheek mucosa to drain serous fluid into buccal vestibule

parotid salivary gland

28

This is the largest lymph node of the head and neck.  When inflamed, ability to swallow is affected

medial retropharyngeal lymph node

29

This laryngeal cartilage forms a complete ring that lies partially within the trough of the thyroid cartilage

cricoid cartilage

30

The cuneiform process is found on which laryngeal cartilage?

Arytenoid cartilage