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anatomy 1 Flashcards

1
Q

nose consists of

A

external nose and nasal cavity

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2
Q

external nose is osteocartilagenous

A

true

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3
Q

external nose orfice is called

A

anterior nasal aperture or nostril

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4
Q

lateral margin of external nose called

A

ala nasi

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5
Q

framework of external nose ( above and below)

A

above: nasal bone , nasal part of frontal and frontal process of maxilla
below; hyaline cartilage

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6
Q

blood supply of skin of external nose

A

maxillary branch of exterrnal carotid and opthalmic branch of internal carotid

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7
Q

blood supply of ala nasi and lower part of septum

A

septal art from superior labial artery from facial art

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8
Q

nerve supply of external nose

A

infratrochealar and external nasal branches of opthalmic nerve ( trigeminal nerve )
infraorbital branch of maxillary nerve (trigeminal)

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9
Q

cranial nerve 5

A

trigeminal

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10
Q

cranial nerve 10

A

vagus

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11
Q

cranial nerve 9

A

glossopharyngeal

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12
Q

nasal cavity extends from what to what aperture

A

from nostril (ant nasal aper) to choanae (post nasal aper)

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13
Q

nasal cavity deviated into right and left halves by

A

nasal septum

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14
Q

nasal septum made of

A

ant : septal cartilage
superior: verical plate or perpendicular plate of ethmoid
inferior : vomer

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15
Q

nasal vestibule is the area of nasal cavity just outside nostril

A

FALSE (INSIDE)

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16
Q

What is present inside nasal vestibule and function of it

A

vibrissae, entraps and filters air from dust

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17
Q

nasal cavity floor

A

ant; palatine process of maxilla

post; horizantal plate of palatine bone

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18
Q

nasal cavity roof

A

nasal bone , cribiform plate of ethmoid , body of sphenoid

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19
Q

nasal cavity lateral wall

A

superior middle and inferior conchae or nasal turbinate

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20
Q

nasal cavity medial wall

A

septal wall
ant ; septal cartilage
superior; vertical plate of ethmoid
inferior; vomer

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21
Q

what bones form hard palate of mouth

A

horizontal plate of palatine and palatine process of maxilla

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22
Q

below each choncha is a space ; name?

A

meatus

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23
Q

sphenoethmoidal recess location and function

A

above superior nasal concha and recives opening of sphenoid air sinus

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24
Q

superior meatus function

A

recieves opening of posterior ethmoidal air sinus

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25
middle meatus parts and function
bulla ethmoidalis; swelling by middle ethmoidal air sinus and bulla recives the opening hiatus semilunaris : recieves opening maxillary sinus infundibulum: frontal sinus and anterior ethmoidal air sinus
26
inferior meatus function
recieves opening of nasolacrimal duct
27
medial wall rough than lateral wall
FALSE (SMOOTH)
28
What part of conchae is makes the ethmoid bone
superior and middle
29
what are the of mucous membranes of nasal cavity
vestibule , olfactory mucous memb and respiratory mucoub mem
30
vestibule what is it made of
modified skin and coarse hairs
31
olfactory mucous mem what is it made of and where
above superior nasal conchae and has nerve endings for reception of smell
32
respiratory mucous mem what is made of and where
lower part of nasal cavity and has goblet cells to secrete mucus and large venous plexus in sub mucous CT
33
function of mucus and venous plexus in respiratory mucus mem
mucus : trap foreign particles then swollwed and destroyed by gastric acid venous plexus : heats up inspired air by warm blood in venous plexus
34
nerve supply of nasal cavity
olfactory nerve and from opthalmic and maxillary of trigeminal
35
who is responsible for special sensation and from where it arises
olfactory nerve , from olfactory bulb
36
who is responsible for ordinary sensation
maxillary and opthalmic of trigeminal
37
blood supply of nasal cavity
branches of maxillary artery (from external carotid ) and sphenopalatine
38
what is kiesselbachs area or little area
area in amt inferior portion of nasal septum above nasal cartilage and made of : sphenopalatine, greater palatine, anterior and posterior ethmoidal and septal artery
39
what arter anastomosis with sphenopalatine artery
septal artery
40
what is the most common site anterior epistaxis
kisselbachs
41
what is the most common site of posterior epistaxis
woodruff plexus or branch of sphenopalatine
42
where are paranasal sinuses
maxilla, frontal, sphenoid , ethmoid
43
what are the air sinuses lined with
mucoperiosteum
44
what air sinuses are present rudumentary at birth and at what age do they start to enlarge
maxilla and sphenoidal , at 8
45
how to drain mucus produced by paranasal sinus
cilliary action of columnar cells and siphon action
46
maxillary sinus shape and floor and roof
pyramidal floor : root of molar and premolar roof : floor of orbit
47
frontal sinus shape and from where to where it extends
triangular | from above medial part of eyebrow to medial part of orbit
48
what happens if an infection spreads from ethmoid bone into orbit
blindness or optic neuritis
49
pharynx becomes continous with esophagus at what level
6th cervical vertebra
50
the pharynx is defecient posteriorly
FALSE (anterior)
51
nasopharynx lays above what
soft palate
52
what can be found in the submucousa of roof of nasopharynx
collection of lympoid tissue called pharyngeal tonsils
53
what is pharyngeal isthmus
opening in floor of nasopharynx between sof palate and posterior pharyngeal wall
54
lateral wall of nasopharynx what can be found
auditory tube or eustachian or pharyngeal tube
55
what is eustachian tube and its function
a passage between nasopharynx and middle ear (tympanic membrane) equalize pressure on each side of tympanic mem ( eardrum)
56
what is the elevated ridge of opening of auditory tube
torus tuberius or tubal elevation
57
what do we call hypertrophied pharyngeal tonsil
adenoid
58
what is the depression in pharyngeal wall behind tubal elevation called
pharyngeal recess
59
salpingopharyngeal fold where is it found
nasopharynx
60
oropharynx floor made of
posterior one third of tongue | interval between tongue and epiglottis
61
midline and on each side of oropharynx
midline ; median glossoepiglottic fold | lateral glossoepiglottic fold
62
depression on each side of median glossoepiglottic fold called
vallecula
63
lateral wall of oropharynx made of
palatoglossal arch and palatopharyngeal arch
64
where is palatine tonsil found
between palatoglossal and palatopharyneal arch
65
interval between two palatoglossal arch is called | marks boundary between mouth and pharynx
oropharyneal isthmus
66
lateral wall of laryngopharynx
thyroid cartilage and thyrohyoid membrane
67
what is the depression in the mucus membrane on each side of laryngeal inlet called
piriform fossa
68
piriform fossa bounded by what medially and laterally
medially : aryepiglottic fold | lateral; thyroid cartilage
69
where do sharp ingested bodies and fish bones get lodged
piriform fossa
70
pharyngeal muscles in circular fibers
superior middle and inferior constrictor
71
pharyngeal mucle in longitudenal fiber
salpingopharyngeus and stylopharyngeus
72
from where to where pharyngeal raphe extends
basilar part of occipital bone ( pharyngeal tubercle ) to esophagus
73
what muscle arise from cricoid cartilage
cricopharyngeus muscle
74
fibers of cricopharyngeus muscle around what part of pharynx
horizontally around narrowest and lowest part
75
what muscle act as sphincter
cricopharyngeus
76
what is killians dehiscense
found on posterior pharyngeal wall | between upper part of inferior constrictor to cricopharyngeus
77
what part of pharyngeal muscle has weak fibers
killians dehiscense
78
it is the outpouching in weak fibers of killan dehiscense
zenkers diverticulum or pharyngeal diverticulum
79
why does pharyngeal diverticulum occur
increase in interpharyngeal pressure due to failure of cricopharyngeus sphincter to relax during swallowing
80
what muscle innervated by glossopharyngeal nerve
stylopharyngeus
81
origin , insertion, innervation of superior constrictor
origin : medial pterygoid plate, mylohyoid line, pterygomandibular lig, pterygoid hammulus insertion ; pharyngeal tubercle and pharyngeal raphe innervation : pharyngeal plexus
82
origin , insertion, innervation of middle constrictor
origin ; lesser and greater cornu and stylohyoid lig insertion ; pharyngeal raphe innervation ; pharyngeal plexus
83
origin , insertion, innervation of inferior constrictor
origin ; lamina of thyroid cartilage and cricoid cart insertion ; pharyngeal raphe innervation ; pharyngeal plexus
84
origin of cricopharyngeus
lower part od inferior constrictor
85
origin , insertion, innervation of stylopharyngeal
origin ; styloid process of temporal insertion ;post border of thyroid inn; glossopharyngeal
86
origin , insertion, innervation of salpingopharynegus
origin ; auditory tube inser; bled with palatopharynegus inn; pharyngeal plexus
87
origin , insertion, innervation of palatopharyngeus
origin ; palatine aponeurosis insertion ; post border of thyroid innn; pharyngeal plexus
88
sensory nerve of pharynx mucous memb
maxillary nerve, glossopharyngeal and internal laryngeal branch of vagus
89
blood supply of pharynx
from facial art ; tonsilar and ascending pharyngeal | maxillary and lingual
90
lymph drain of pharynx direct and indirect
direct into deep cervical LN | indirect into para tracheal and retropharyngeal nodes then deep cervical

RS (13 decks)

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