Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ENT Anatomy > Anatomy > Flashcards

Anatomy Flashcards

1
Q

What is the somatic sensory nerve supply to the nasal cavities?

A

Trigeminal nerve CNV
Anterosuperiorly - opthalmic CNV1
Posteroinferiorly - maxillary CNV2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the blood supply of the nasal cavities?

A

Opthalmic
Facial
Maxillary arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does the opthalmic artery branch into?

A

Anterior and posterior ethmoidal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does the facial artery branch into?

A

Labial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the labial artery branch into?

A

On lateral side of nose - lateral nasal branch

On medial side (septum) - septal branch of superior labial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the maxillary artery branch into?

A

Sphenopalantine and greater palantine arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What arteries make up kiesselbach’s area?

A

Labial
Ethmoidal
Greater palantine
Sphenopalatine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name the paranasal sinuses

A

2x frontal
2x maxillary
2x ethmoidal air cells
1/2x sphenoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where do the frontal sinuses drain?

A

Middle meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where do the maxillary sinuses drain?

A

Middle meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where do the ethmoidal air cells drain?

A

Superior and middle meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where do the sphenoidal sinuses drain?

A

Sphenoethmoidal recess

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Where does the nasolacrimal duct drain?

A

Inferior meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What foraminae does CNI go through?

A

Cribiform plate of ethmoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What foraminae does CNII go through?

A

Optic canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What foraminae does CNIII go through?

A

Superior orbital fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What foraminae does CNIV go through?

A

Superior orbital fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What foraminae does CNV1 go through?

A

Superior orbital fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What foraminae does CNV2 go through?

A

Foramen rotundum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What foraminae does CNV3 go through?

A

Foramen ovale

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What foraminae does CNVI go through?

A

Superior orbital fissure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What foraminae does CNVII go through?

A

Internal acoustic meatus (then stylomastoid foramen)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What foraminae does CNVIII go through?

A

Internal acoustic meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What foraminae does CNIX go through?

A

Jugular foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What foraminae does CNX go through?
Jugular foramen
26
What foraminae does CNXI go through?
Jugular foramen (then foramen magnum)
27
How much of the ear canal is bone and cartilage?
2/3 petrous part of temporal bone | 1/3 elastic cartilage
28
What is the pterion?
Thinnest part of skull | Made from parietal, temporal, sphenoid and frontal
29
What nerves supply the general sensory supply of external ear?
Superior lateral C2/C3 Superior medial, superior EAM and TM CNV3 Inferior medial, inferior EAM and TM CNX Plus facial nerve is in there somewhere as well
30
What nerve supplies the middle ear?
Glossopharyngeal CNIX
31
What other ENT structures does CNIX supply?
Eustachian tube Nasopharynx Oropharynx Tonsils
32
What is the thin, superior part of the TM?
Pars flaccida
33
What is the thick, inferior part of TM?
Pars tensa
34
What is aditus?
Doorway from epitympanic recess into mastoid antrum
35
What is the lymphatic drainage of external ear?
Cranial superior 1/2 - mastoid Lateral superior 1/2 - parotid Rest - superior cervical
36
Membranous labyrinth - endolymph or perilymph?
Endolymph
37
Bony labyrinth - endo or perilymph?
Perilymph
38
What are the 4 types of papillae in tongue?
Vallate Fungiform Follate Filliform
39
At what vertebae level is cricoid cartilage?
C6
40
Where do the salivary ducts drain into?
Sublingual --> Sublingual papillae Submandibular --> Sublingual papillae Parotid --> Parotid papillae on buccal mucosa
41
What is the parasympathetic supply of the salivary glands?
Sublingual and submandibular - CNVII | Partoid - CNIX and CNV3
42
What is the foramen caecum?
Thyroglossal duct remnant at back of tongue
43
What is the sensory supply to tongue?
Anterior 2/3rd = Lingual nerve (CNVII + CNV3) | Posterior 1/3rd = Glossopharyngeal CNIX
44
What are the extrinsic muscles of tongue? 4
Genioglossus Palatoglossus Styloglossus Hyoglossus
45
What is the function of the extrinsic muscles of tongue?
Change shape of tongue
46
What is the motor nerve supply to the extrinsic tongue muscles
All CNXII | Except palatoglossus which is CNX
47
What are the muscles of the soft palate? 5
``` Musculus uvulus Tensor veli palantini Levator veli palantini Palatoglossus Palatopharyngeus ```
48
What is the motor nerve supply to the muscles of the soft palate?
All CNX | Except tensor veli palantini which is CNV3
49
What are the two groups of muscles in the pharynx?
Constrictor/ circular | Longitudinal
50
What is the innervation and insertion of the constrictor muscles?
CNX | Insert - midline raphe
51
What are the longitudinal muscles of pharynx?
Salpingopharyngeus Palatopharyngeus Stylopharyngeus
52
What is the nerve supply to the longitudinal muscles of pharynx?
All CNX | Except stylopharyngeus - CNIX
53
What are the 5 types of tonsillar tissue?
``` Pharyngeal (adenoids) Tubal Palatine (tonsils) Palatine associated lymphoid tissue Lingual tonsils ```
54
What 2 types of cartilage support the laryngeal inlet? Hint: think feet!
Cuneiform and corniculate cartilage
55
What are the 2 processes on the arytenoid cartilage?
Muscular process | Vocal process
56
What are the false vocal cords?
Vestibular folds | Superior
57
What are the true vocal cords?
Vocal folds | Inferior
58
What nerve supplies the vocal cords? Be specific
CNX Superior - superior laryngeal branches Inferior - inferior branches of recurrent laryngeal
59
What are the intrinsic muscles of larynx? 5
``` Cricothyroid (tensors) Thyro-arytenoid (relaxors) Posterior cricoarytenoids (aBductors) Lateral cricoarytenoids (aDductors) Transverse and oblique arytenoids (aDductors) ```
60
What nerve supplies the intrinsic muscles of larynx?
Inferior branch of recurrent laryngeal (CNX) EXCEPT cricothyroid which is external branch of superior laryngeal)
61
What happens to vocal cords in forced respiration?
Abduction | Posterior cricoayrtenoids contract
62
What happens to vocal cords in whispering?
Lateral cricoarytenoids contract
63
What muscles cause vocal cords to adduct?
Transverse and oblique arytenoids contract | Lateral cricoayretenoids contract
64
What state are the laryngeal muscles in during normal respiration?
Resting state

ENT Anatomy (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions