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SP2017 Anatomy Exam#2 > Lecture 9- Nasal Cavity and Paranasal Sinuses > Flashcards

Lecture 9- Nasal Cavity and Paranasal Sinuses Flashcards

(51 cards)

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1
Q

At the tip of the nose is…. cartilage which is u-shaped and mobile

A

major alar

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2
Q

There is a …. plate of cartilage on either side of a midline septal…

A
  • lateral

- cartilage

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3
Q

Bony contributions to the nasal cavity are from… and…

These form the …

A
  • nasalis/nasal bone and frontal bone

- anterior roof

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4
Q

The central roof of the nasal cavity is formed by…

A
  • ethmoid

- cribiform plate

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5
Q

The posterior roof of the nasal cavity is formed by…

A

-sphenoid

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6
Q

The medial wall of the nasal cavity anteriorly is made up of…
Posteriorly it is made up by…

A
  • septal cartilage

- perpendicular plate of ethmoid bone

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7
Q

The posterior-inferior aspect of the medial wall of the nasal cavity is made up by the… which forms a … with the maxillary and palatine bones

A
  • Vomer

- nasal crest

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8
Q

The floor of the nasal cavity is the made up of…

A

3/4 maxilla

1/4 palatine

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9
Q

The… separate the nasal cavity from nasopharynx

A

choanae

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10
Q

Superior and middle concha are components of the… bone but the inferior concha is an … bone that articulates with the…

A
  • ethmoid
  • independent
  • maxilla
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11
Q

Above the superior nasal concha is… and below it is…

Each concha has a… below it

A
  • spheno-ethmoidal recess
  • superior meatus
  • meatus
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12
Q

The… sinus is found in frontal bone. lateral to midline and drains via…. into infundibulum which drains into… which is a feature of the…

A
  • frontal
  • frontonasal duct
  • Hiatus semilunaris
  • middle meatus
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13
Q

The frontal sinus ultimately drains anterior to…

A

ethmoidal bulla

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14
Q

The… sinus is made up of 3 walls and appears pyramidal in coronal section

A

maxillary

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15
Q

The superior wall of the maxillary sinus separates it from the…

A

orbit

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16
Q

The medial wall of the maxillary sinus separates it from the…

A

nasal cavity

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17
Q

The lateral wall of the maxillary sinus separates it from….

A

infratemporal fossa

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18
Q

The maxillary sinus drains… because of how much of the day we spend laying down at night

A

superiorly

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19
Q

The maxillary sinus drains into the … which is located in the…

A
  • maxillary ostium

- middle meatus

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20
Q

The roots of the teeth can project into… and may be covered by…

A
  • maxillary sinus

- mucoperiosteum

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21
Q

What can happen during tooth extraction?

Study These Flashcards
A

Tear membrane and create fistula

22
Q

The ethmoidal air cells are located in the… and are continuous with the nasal mucosa and drain into the nasal cavity

Study These Flashcards
A

lateral labryinths

23
Q

The… duct is also found in the lateral labryinths of the ethmoid bone anteriorly

24
Q

The… is going to contain the frontonasal canal as well as openings for anterior ethmoidal cells

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A

semilunaris hiatus

25
Middle ethmoidal air cells open into the....
bulla
26
Posterior ethmoidal air cells open into the...
superior meatus (cant see in lab)
27
The sella turcica is located in the...
middle cranial fossa
28
The sphenoidal sinus is between nasal cavity and....
pituitary gland (anterior/middle cranial fossa)
29
The sphenoid sinus opens into ... sinus which is superior in the nasal cavity
spehnoethmoidal recess
30
What are puncta
raised points of opening (openings of lacrimal canaliculi)
31
Nasal Cavity: What is the arterial supply of the upper anterior septum and lateral wall?
Anterior ethmoidal branches (which are from opthalmic)
32
Nasal Cavity: What is the arterial supply of the upper posterior septum and lateral wall?
Posterior ethmoidal branches (which are from opthalmic)
33
Nasal Cavity: What is the arterial supply of the lower septum and lateral wall?
Sphenopalatine branches
34
The nasal cavity arteries anastomose at the... which is a significant area for nosebleeds
kissil box
35
The anterior ethmoidal artery of the lateral nasal wall is going to give off a branch called... which is going to supply the tip of the nose
external nasal artery
36
The sphenopalatine artery is a major supply for the nasal cavity (a terminal branch of....) and gives off posterior nasal lateral branches and posterior septal branches of sphenopalatine
maxillary
37
The greater palatine artery supplies the...
septum
38
What are the facial artery contributions of the nasal cavity?
alar branch of lateral nasal artery and septal branch from nasal artery from superior labial artery
39
Venous drainage of nasal cavity... (3)
superior ophtalmic v pterygoid plexus facial vein
40
The superior 1/3 of the nasal cavity is ... epithelium and the inferior 2/3 is... epithelium
- olfactory | - respiratory
41
The special sensory nerve of the nasal cavity is the... and the olfactory epithelium is located on both the... and...
- olfactory CNI | - lateral nasal wall and septum
42
The tip of nose is innervated by ... which comes from...
- external branch of anterior ethmoidal nerve/ | - nasociliary n.
43
The nasal cavity has innervation from.... , ... and....
CNI CNV1 CNV2
44
CNV1 also supplies the septum as the....branch of...
- septal | - anterior ethmoidal n.
45
What are the CNV2 branches that supply nasal cavity?
1. Infraorbital n. 2. Nasopalatine n. 3. A.S. Alv. n. 4. P.S.L. Nasal nn. 5. P.I.L. Nasal nn.
46
Infraorbital nasal branches are going to travel with.... artery from facial artery
lateral nasal
47
Nasopalatine nerve is the predominant nerve on the... and ti will extend through the... canal to anastomose with the ... nerve
- septum (medial nasal wall) - incisive - greater palatine nerve
48
Nasopalatine is not on the... nasal wall. Nasopalatine is a branch of...
- lateral | - CNV2
49
Branches of ... provide general sensation to the paranasal sinuses
maxillary (CNV2)
50
... branches which are from... provide parasympathetic fibers to paranasal sinuses (travel on branches of V2)
- Greater petrosal | - CNVII
51
... branches, from..., provide sympathetic fibers to paranasal sinuses (travel on branches of V2)
Deep petrosal | T1

SP2017 Anatomy Exam#2 (14 decks)

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