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Anatomy Dissection Guide > week 4 > Flashcards

week 4 Flashcards

1
Q

what is the initial portion of the nasal cavity

A

nasal vestibule

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2
Q

the oval opening between the nasal cavity and the nasopharynx is the

A

chonae

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3
Q

typically ____ large vallate papillae are present on the equine tongue,

A

3; one on each side and one in the middle

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4
Q

foliate papillae are located where on the horse toungue

A

caudolateral potion

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5
Q

number of vallate papillae on the ruminant tongue

A

3 or 4 on each side of the caudal region of the tongue

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6
Q

conical papillae of ruminant tongue

A

resemble the buccal conical papillae (pointy)

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7
Q

lenticular papillae on ruminant tongue

A

round, wide, and flat and resemble worn-down conical papillae

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8
Q

what forms the boundary between the oral cavity and oropharynx

A

palatoglossal arch

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9
Q

palatine tonsil location in the horse

A

lateral to the root of the tongue and caudal to the palatoglossal arch

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10
Q

what is the lingual tonsil

A

a collection of lymphatic follicles on the root of the tongue. May blend laterally with the medial edge of the palatine tonsil

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11
Q

in ruminants, tonsilar sinus leads to

A

palatine tonsil

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12
Q

how is the tonsilar sinus in ruminants different from the tonsilar fossa in other species

A

the tonsilar sinus is surrounded by tonsil

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13
Q

in the ox, what is the lingual tonsil

A

a collection of lymphatic follicles on the root of the tongue

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14
Q

an overgrowth of plica (salpingopharyngea) has been incriminated as the cause of

A

congenital guttural pouch tympany

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15
Q

what is the caudal boundary of the nasopharynx

A

intrapharyngeal ostium

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16
Q

what is the intrapharyngeal ostium composed of

A

right and left palatopharyngeal arches

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17
Q

medial retropharyngeal lymph nodes in the ruminant are located

A

caudolateral to the pharyngeal tonsil

18
Q

what are the boundaries of the laryngopharynx

A

begins at the level of the base of the epiglottis and extends to the level of the cricoid lamina

19
Q

what are the attachments of the hyopharyngeus

A

stylohyoid and thyrohyoid bones (and ceratohyoid bone in ruminatns); inserts on pharyngeal raphe

20
Q

what is the function of the hyopharyngeus

A

pharyngeal constrictor

21
Q

what are the attachments of the thyropharyngeus

A

arises from the thyroid cartilage and inserts on the pharyngeal raphe

22
Q

cricopharyngeus attachments

A

cricoid cartilage and inserts on the pharyngeal raphe

23
Q

What is the site of attachment for the vocal fold

A

vocal process

24
Q

what is the site of attachment for several intrinsic laryngeal muscles

A

muscular process

25
Q

rostral cornu articulates with

A

cartilage of the thyrohyoid bone

26
Q

caudal cornu articulates with

A

cricoid cartilage

27
Q

what is the function of the piriform recess

A

passageway around the larynx that allows saliva to flow into the laryngopharynx without swallowing

28
Q

aditus laryngis formed by

A

the edges of the epiglottis, aryepiglottic folds, and arytenoid cartilages

29
Q

vocalis muscle attachments

A

body of the thyroid cartilage and inserts on the muscular process; some fibers also nsert on the lateral surface of the vocal process

30
Q

what are the attachments of the mylohyoideus

A

the symphysis of the mandible to the lingual process of the basihyoid bone and thyrohyoid bone

31
Q

mylohyoideus m. function

A

raises the floor of the mouth, the tongue and the hyoid apparatus

32
Q

what are the attachments of the geniohyoideus

A

arises from the mandible near the symphysis and inserts on the lingual process of the basihyoid bone

33
Q

geniohyoideus action

A

draws the hyoid apparatus and tongue rostrally

34
Q

what are the attachments of the stylohyoideus

A

arises from the caudodorsal end of the stylohyoid bone and inserts on the basihyoid bone

35
Q

what is the function of the stylohyoideus

A

draws the thyrohyoid bone and larynx dorsocaudally

36
Q

what are the attachments of teh hyoglossus

A

coruses from the lingual process of the basihyoid bone and the thyrohyoid bone to the tongue

37
Q

what are the attachments of the genioglossus

A

medial surface of the mandible, just caudal to the symphysis to the tongue

38
Q

what is the funciton of the levator palpebrae superioris

A

to raise the upper eyelid

39
Q

what is the function of the dorsaloblique muscle

A

rotates the eye so that the dorsal aspect of the eye moves medially

40
Q

what is the function of the ventral oblique muscle

A

rotates the eye so that the ventral aspect of the eye moves medially

41
Q

what is the function of the retractor bulbi

A

retract the eye into the socket

42
Q

what is the function of the iridic granules

A

help shade the eye and may provide nutrients to the anterior chamber as well

Anatomy Dissection Guide (12 decks)

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