Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Head and Neck > Nose, Nasal Cavities and Paranasal Sinuses > Flashcards

Nose, Nasal Cavities and Paranasal Sinuses Flashcards

1
Q

What makes up the Bony part of the External Nose Structure?

A

Nasal part of Frontal Bone

Nasal Bone

Frontal process of Maxilla

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

What makes up the Cartilaginous part of the External Nose Structure?

A

Hyaline Cartilage

2 Lateral Cartilages

2 Major Alar Cartilages

1 Septa Cartilage

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

What are the boundaries of the Nasal Cavity

A
  • Roof:
    • Frontal
    • Nasal
    • Ethmoid
    • Body of Sphenoid
  • Floor
    • Hard Palate
      • Palatine Process of Maxilla
      • Horizontal plates of the Palatine Bone
  • Medial Wall
    • Nasal Septum
      • Bony Part
      • Cartilaginous Part
  • Lateral Wall
    • Nasal Conchae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What makes up the Hard Palate

A
  • Anterior = Palatine Process of Maxilla
  • Posterior = Horizontal Plates of Palatine
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What makes up the bony part of the Nasal Septum?

A
  • Perpendicular Plate of ethmoid
  • Vomer
  • Nasal Crest of Maxillary Bone
  • Nasal Crest of Palatine Bone
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 5 spaces that the Nacsal Cavity is divided into?

A

Sphenoethmoidal Recess (Superomedial)

3 Nasal Meati

Common Nasal Meatus (Medially)

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

What concha lie independently and which are part of another bone?

A

Superior and Middle: Ethmoid

Inferior: Independent

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

Explain the Vasculature of the Nasal Cavity

A

Artierial Supply (Medial and Lateral Walls)

  • Anterior Ethoidal Artery
    • from Opthalmic A.
  • Posterior Ethmoidal Artery
    • from Opthalmic A.
  • Spehnopalatine Artery
    • from Maxillary A.
  • Greater Palatine Artery
    • from Maxillary A.
  • Septal branch of Superior labial Artery
    • from Facial A.

Venous Drainage

  • Sumucosal plexus deep to mucosa
  • Drains into:
    • ​Sphenopalantine Vein
    • Facial Vein
    • Ophthalmic Vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Explain the innervation of the Anterosuperior part of the Nasal Cavity

A

Anterior Ethmoidal Branch of Nasociliary Nerve (from V1)

Posterior Ethmoidal Branch of Nasociliary Nerve (from V1)

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

Explain the innervation of the Posteroinferior part of the Nasal Cavity

A
  • Nasal Septum:
    • Nasopalatine Nerve (from V2)
  • Lateral Wall:
    • Posterior Superior Lateral Nasal Branch
      • Of Greater palantine Nerve (of V2)
    • Inferior Lateral Nasal Branch
      • Of Greater palantine Nerve (of V2​)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Explain the innervation of the External Nose

A

Dorsum and Apex

  • Infratrochlear Nerve (of V1)
  • External Nasal Branch
    • From the Anterior Ethmoidal Nerve (of V1)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Explain the Olfactory sensation of the nose

A

Olfactory Nerve (from cells in the Olfactory Epithelium)

Passes through the Cribriform Plate to Synapse on “olfactory bulb”

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

What is the innervation of the Frontal Sinuses?

A

Ophthalmic Nerve (V3)

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

What is the position of the Frontal Sinuses?

A

Posterior to:

  • Supercilary arches
  • Root of Nose
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Explain the drainage of the Frontal Sinus

A
  1. Frontonasal Duct
  2. Into Ethmoidal Infundibulum
  3. Opens into Semilunar Hiatus
  4. Of the Middle Nasal Meatus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the Ethmoidal Sinus formed by

A

Invaginations of the Superior and Middle Nasal Meatus into the Ethmoid Bone.

17
Q

What are the parts of the Ethmoidal Sinus?

A

Anterior, Middle and Posterior Air Cells

18
Q

Explain the drainage of the Ethmoidal Sinus

A

Anterior: Via Ethmoid infundibulum into Middle Nasal Meatus

Middle: Middle Meatus

Posterior: Superior Meatus via the Sphenoethmoidal Recess

19
Q

What is the innervation of the Ethmoidal Sinus?

A
  • Anterior and Posterior Ethmoidal Branches
    • Of Nasociliary Branch (of V1)
20
Q

Explain the drainage of the Spenoidal Cells

A

Drain into Sphenoethmoidal Recess which drains into the Superior Nasal Meatus

21
Q

What is the blood supply of the Sphenoidal Cells

A

Posterior Ethmoidal Artery

22
Q

What is the innervation of the Sphenoidal Cells

A

Branch of the Nasociliary Nerve (of V1)

23
Q

What are the borders of the Maxillary Sinus

A
  • Apex
    • Extends towards zygomatic one
  • Base
    • Forms inferior part of lateral walll of nasal cavity
  • Roof
    • Floor of orbit
  • Floor
    • Alveolar part of Maxilla
24
Q

Explain the drainage of the Maxillary Sinus

A
  1. Drains via multiple openings (ostia)
  2. Drains into Middle Nasal Meatus via the Semilunar Hiatus
25
Q

What is the arterial supply of the Maxillary Sinus

A

Superior Alveolar Branch of the Maxillary Artery

26
Q

What is the innervation of the Maxillary Sinus

A

Anterior Superior Alveolar Branch (of the Maxillary Nerve)

Middle Superior Alveolar Branch (of the Maxillary Nerve)

Posterior Superior Alveolar Branch (of the Maxillary Nerve)

27
Q

What are the features of the Middle Meatus

A

Semilunar Hiatus

Ethmoidal Bulla

28
Q
A

Ethmoidal Bulla

29
Q
A

Semilunar Hiatus

30
Q
A

Sphenoethmoidal Recess

Superior Meatus

Middle Meatus

Inferior Meatus

Head and Neck (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions