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Gross Anatomy 1 > Final > Flashcards

Final Flashcards

1
Q

oral cavity proper

A

space between dental arcades

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2
Q

oral fissure

A

opening between upper and lower lips; entrance to oral cavity

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3
Q

Vomeronasal organ
Location?
Function?

A

Location: base of nasal septum

Function: olfactory receptors for sexual stimuli (pheromones)

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4
Q

What is the minor palatine a direct branch of?

A

maxillary artery

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5
Q

What is the descending palatine a direct branch of?

A

maxillary artery

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6
Q

What branches off the descending palatine?

A
  • major palatine artery

- sphenopalatine artery

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7
Q

Mechincal Papillae

A
  • filiform

- conical

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8
Q

Gustatory Papillae

A
  • fungiform
  • vallate
  • foliate
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9
Q

What three extrinsic tongue muscles are innervated by the hypoglossal nerve?

A
  • styloglossus
  • hyoglossus
  • genioglossus
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10
Q

What is the only motor nerve to the tongue?

A

hypoglossal nerve

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11
Q

The parotid and zygomatic salivary glands are innervated by what CN?

A

CN IX - Glossopharyngeal nerve

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12
Q

The mandibular and major sublingual salivary glands are innvervated by what cranial nerve?

A

CN VII - Facial nerve

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13
Q

What type of teeth do dogs have?

A

Brachydont

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14
Q

What kind of cells produce enamel? Can it regenerate?

A

Ameloblasts (enamelblasts) produce it

It cannot regenerate

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15
Q

This septa is located between adjacent teeth…

A

Interalveolar septa

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16
Q

This septa is located between roots of the same tooth…

A

Interradicular septa

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17
Q

Mesial surface?

A

toward first incisor

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18
Q

Distal surface?

A

away from first incisor

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19
Q

How many teeth is an adult dog supposed to have?

A

42

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20
Q

What is the distribution of teeth in an adult dog?

A
  • I3/3
  • C1/1
  • P4/4
  • M2/3

This is per one side! Multiply by two for total number of teeth!

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21
Q

What teeth do dogs have that cats lack?

A
  • Upper P1
  • Lower P/1 and P/2
  • Upper and Lower M2 and M3
22
Q

What system uses numbers to ID teeth?

A

Triadan System

23
Q

Three key constrictors for the pharynx?

A
  • hyopharyngeus
  • thyropharyngeus
  • cricopharyngeus
24
Q

What is formed by the 2nd endoturbinate?

A

Ethmoidal nasal concha/ Middle nasal concha

25
What is the main pathway for air in the nose?
ventral nasal meatus
26
Largest sinus in the head?
Frontal sinus located in the rostral 2/3 of frontal bone
27
What makes up the glottis?
arytenoid cartilage and vocal fold
28
Laryngeal ventricle
lateral evagination of the laryngeal mucosa on each side between the vestibular fold (rostral border) and the vocal fold (caudal border)
29
Action of cricothyroideus muscle?
tenses vocal fold
30
What nerve innervates the cricothyroideus m.?
Cranial laryngeal nerve
31
What is the only dilator muscle of the larynx?
Cricoarytenoideus dorsalis muscle
32
Main abductor of the larynx?
Cricoarytenoideus dorsalis muscle
33
Action of the cricoarytenoideus lateralis m.?
narrows, closes glottic cleft
34
Action of Thyroarytenoideus m.?
relax vocal fold, constrict glottis
35
Thyroarytenoideus m. has two parts. What are they? What do they do?
Ventriculatis muscle = constricts glottis Vocalis muscle = relax vocal fold
36
What CN innervates the larynx?
Vagus nerve via the Cranial laryngeal n. and caudal laryngeal n.
37
Caudal laryngeal n. innervates all of the intrinsic muscles of the larynx EXCEPT:
cricothyroid m.
38
What is glaucoma?
build up of aqueous humor
39
Which CN innervates the lateral rectus and the retractor bulbi muscles of the eye?
CN VI - Abducens
40
CN IV innervates which muscle of the eye?
dorsal oblique
41
What CN handles most of the eye muscles?
CN III
42
Primary blood supply to the head?
common carotid artery
43
Carotid sinus?
Baroceptor (feedback for blood pressure regulation) located at the base of the internal carotid artery
44
Carotid body?
Chemoreceptor at bifurcation of the internal and external carotid aa or in the wall of the carotid sinus Keeps watch on O2 and CO2 levels in blood, plus blood pH levels Can adjust respiration up or down as needed
45
Terminal lymph node in the head?
Medial Retropharyngeal Lymph Node
46
What CN conduct parasympathetic fibers?
CN III, VII, IX, and X
47
What CN is the sole innervation to the trapezius m.?
CN XI - Accessory
48
T/F: There is an epidural space within the skull.
FALSE
49
Pachymenix?
Dura mater
50
Leptomeninges?
Arachnoid membrane and Pia mater

Gross Anatomy 1 (20 decks)

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