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Gross Anatomy 2 > Exam 3: Equine Head > Flashcards

Exam 3: Equine Head Flashcards

1
Q

blind ended pouch important for passing nasogastric tube.

A

Nasal diverticulum

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2
Q

How should you aim your nasogastric tube?

A

ventrally to avioid diverticulum and ethmoid turbinates

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3
Q

Area from choanea to palatopharayngeal arch

A

nasopharynx

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4
Q

area from palatoglossal arch to epiglotis

A

oropharynx

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5
Q

area from palatopharyngeal arch to esophagus

A

laryngopharynx

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6
Q

What are the two branches of the external jugular vein in the horse?

A

linguofacial

maxillary

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7
Q

What are the 2 br. of the linguofacial v.

A

lingual and facial

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8
Q

What braches off the facial v.

A

deep facial

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9
Q

What v. drains the orbit?

A

deep facial

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10
Q

What does the facial and maxillary vv. combine to form?

A

transverse facial and buccal vv.

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11
Q

What duct runs with the facial a. and v.?

A

Parotid duct

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12
Q

Where does the parotid duct empty?

A

buccal cavity at level of upper PM4

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13
Q

Which facial a. is found in the horse but absent in ruminants?

A

internal caroted a.

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14
Q

What are the two br. of the common carotit a. in the horse?

A
  1. cranial thyroid a.

2. internal carotid a.

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15
Q

Which a. of the equine head is associated with the carotid sinus?

A

internal carotid a.

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16
Q

What are the 5 aa. of the external carotid a.

A
  1. occipital
  2. cranial laryngeal
  3. linguofacial a.
  4. caudal auricular a.
  5. superficial temporal
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17
Q

What are the 4 a. of the maxillary a.?

A
  1. Inferior alveolar a.
  2. external ophthalmic a. (NR)
  3. Palatine aa. (NR)
  4. infraorbital a.
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18
Q

2 arteries of the equine head you can take a pulse on?

A
  1. transverse facial a.

2. facial a.

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19
Q

What are the 2 br. of the facial n in the equine?

A
  1. auriculopalpebral n.

2. Buccal branches

20
Q

What are the 3 br. of the trigeminal n. in the equine

A
  1. Mandibular
  2. Maxillary
  3. ophthalmic
21
Q

What are the 7 br. of the mandibular branch of the trigeminal n.

A

BLIMA

  1. Buccal n.
  2. lingual n.
  3. inferior alveolar n.
  4. mental nn.
  5. auriculotemporal n.
  6. mylohyoid n (NR)
  7. masticatory n. (NR)
22
Q

Where does the maxillary br. of the trigeminal n. go?

A

infraorbital

23
Q

Where does the ophthalmic br. of the trigeminal n. go?

A

supraorbital

24
Q

Br. of the maxillary n. in bovine only. sends sensation to horn

A

cornual n.

25
Q

Which n. runs along the linguofacial a. in the equine

A

hypoglossal

26
Q

Damage to which n. causes laryngeal paralysis in equine.

A

recurrent laryngeal n.

27
Q

only m. that opens the glottis:

A

cricoarytenoideus dorsalis

28
Q

cricothyroid m. is innervated by which n. in both the equine and canine?

A

cranial laryngeal

29
Q

Which CN. causes pupil constriction?

30
Q

Which CN innervates salivary and lacrimal glands

31
Q

Which CN innervates just salivary glands?

32
Q

Which CN innervates thoracic and abdominal viscera

33
Q

What are the 8 superficial m. of the eq. head?

A
  1. platysma m.
  2. orbicularis oculi m.
  3. orbicularis oris
  4. levator nasolabialis m.
  5. caninus m.
  6. depressor labiii inferioris
  7. rostral auricular mm.
  8. caudal auricular mm.

also pharyngeal mm

34
Q

what are the 4 deep mm. of the equine head?

A
  1. temporalis m.
  2. masseter m.
  3. Pterygoid mm.
  4. Digastridus m.
35
Q

What are the 5 hyoid mm. of the eq.

A
  1. Sternohyoideus m.
  2. thyrohyoideus m.
  3. mylohyoideus m.
  4. geniohyoideus m.
  5. omohyoideus m.
36
Q

Which m. forms the medial border of the jugular groove?

A

omohyoideus m.

37
Q

Which m. separates external jugular from common carotid a.

A

omohyoideus

38
Q

Which m. is important for flehmen’s response in eq.

A

levator labii superioris

39
Q

When a stallion lifts his lips to pull air throuch the incisive papilla

A

flehmen’s response

40
Q

What are the borders of the jugular groove

A

dorsal: brachiocephalicus m.
ventral: sternocephalicus m.

41
Q

What are the 3 salivary glands of the eq.

A
  1. mandibular salivary gland
  2. sublingual salivary gland
  3. parotid salivary gland
42
Q

What are the 5 lympoid structures of the eq. head?

A
  1. mandibular
  2. parotid lymph node
  3. palatine tonsil
  4. lingual tonsil
  5. retropharyngeal lymph node
43
Q

Which tonsil can be found in the souft palate of the horse?

44
Q

Which tonsil can be found at the base of the eq. tongue?

45
Q

constricted pupil

46
Q

Dilated pupil

47
Q

what is corpora nigra

A

acts to shade the retinal

Gross Anatomy 2 (27 decks)

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