Brainscape's Knowledge GenomeTM

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


See full index

Head and Neck anatomy > Nerve & blood supply of head and neck > Flashcards

Nerve & blood supply of head and neck Flashcards

1
Q

What is the blood supply to the orbit?

A

Branches of the opthalmic artery:

  • Lacrimal artery:
    1. Lacrimal gland
    2. Eyeball
    3. Lateral side of eyelid
  • Central artery of the retina: Retina
  • Ciliary arteries
  • Supraorbital artery: Forehead and scalp
  • Supra-trochlear artery: Forehead and scalp
  • Posterior ethmoidal artery: Ethmoidal air cells & nose
  • Anterior ethmoidal artery: Ethmoidal air cells, nose anterior meninges (anterior meningeal artery)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the branches of the opthalmic nerve [V1]?

A
  • Lacrimal nerve:
    1. Parasympathetic to lacrimal gland
    2. Sensation to lacrimal gland
    3. Conjunctiva
  • Frontal nerve
  • Nasociliary nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the branches of the frontal nerve?

A
  • Supra-trochlear nerve
  • Supra-orbital nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the branches of the nasociliary nerve?

A
  • Long ciliary nerve: Eyeball
  • Posterior ethmoidal nerve:
    1. Ethmoidal air cells
    2. Sphenoidal sinus
  • Anterior ethmoidal nerve:
    1. Nasal cavity
    2. Ethmoidal air cells
    3. Meninges in ACF
  • Infratrochlear nerve:
    1. Lacrimal sac
    2. Skin of upper half nose
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the blood supply to the pinna?

A
  • Superficial temporal artery
  • Posterior auricular artery
  • Occipital artery
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the innervation of the pinna?

A
  • Auriculotemporal nerve - [V3]: Antersuperior
  • Occipital nerve - C2: Posterosuperior
  • Greater auricular nerve - C2,3: Inferior
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the innervation of the external auditory meatus?

A
  • Anterior + superior walls: Auriculotemporal nerve ([V3])
  • Posterior + inferior walls: Auricular branch of [X]
  • Contributions from [VII]
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the innervation of the tympanic membrane?

A
  • External: Auriculotemporal nerve - [V3]
  • Internal: [IX]
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the blood supply of the middle ear?

A
  • ECA:
    1. Tympanic branch - Maxillary artery
    2. Mastoid branch
  • ICA: Tympanic branch
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the innervation of the middle ear?

A

Tympanic nerve - [IX]

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

What is the blood supply to the inner ear?

A
  • Bony labyrinth: Maxillary artery
  • Membranous labyrinth: Labrynthine artery (Basilar artery)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the blood supply of the scalp?

A
  • Anterior & superior aspects (up to vertex) of the scalp supplied by branches of the opthalmic artery (from ICA):
    1. Supratrochlear artery
    2. Supra-orbital artery
  • Lateral & posterior aspects of the scalp supplied by branches of the ECA:
    1. Posterior auricular artery: Supplies area posterior to pinna and pinna itself
    2. Occipital artery: Supplies posterior aspects of scalp
    3. Superficial temporal artery: Supplies lateral aspects of scalp
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the innervation of the scalp?

A

Anterior:

  • Supratrochlear nerve (branch of Va)
  • Supra-orbital nerve (branch of Va)
  • Zygomaticotemporal nerve (branch of Vb)

Lateral:

  • Lesser occipital nerve (posterior ramus of C2)
  • Auriculotemporal nerve (branch of Vc)

Posterior:

  • Greater occipital nerve (posterior ramus of C2)
  • Third occipital nerve (posterior ramus of C3)
  • Greater auricular nerve (anteiror rami of C2/3)
  • Lesser occipital nerve (anterior ramus of C2)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How can the maxilary be divided?

A
  • 1st part: Between neck of mandible and sphenomandibular ligament
  • 2nd part: Between ramus of mandible and superficial surface of lateral pterygoid
  • 3rd part: In pterygopalatine fossa
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the branches of the 1st part of the maxillary artery?

A
  • Tympanic branch (middle ear)
  • Middle meningeal artery
  • Inferior alveolar artery (mandibular teeth)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the branches of the 2nd part of the maxillary artery?

A

Muscular branches:

  • Masseter
  • Deep temporal
  • Pterygoid
  • Buccal
17
Q

What are the branches of the 3rd part of the maxillary artery?

A
  • Sphenopalatine artery (nasal cavity, anterior palate)
  • Descending palatine artery:
    1. Greater palatine artery - Hard palate
    2. Lesser palatine artery - Soft palate
  • Artery of pterygoid canal
  • Infraorbital artery:
    1. Posterior superior alveolar artery (maxillary teeth)
    2. Middle superior alveolar artery (maxillary teeth)
    3. Anterior superior alveolar artery (maxillary teeth)
18
Q

What is the blood supply of the lateral walls of nasal cavity?

A
  • Anterior: Anterior ethmoidal artery (opthalmic)
  • Posterior:
    1. Posterior ethmoidal artery (opthalmic)
    2. Posterior lateral branches (sphenopalatine artery)
19
Q

What is the innervation of the lateral walls of the nasal cavity?

A
  • Anterior: Anterior ethmoidal nerve - [V1]
  • Posterior: Posterior lateral nasal branches - Nasopalatine nerve
20
Q

What is the blood supply of the nasal septum?

A
  • Anterior ethmidal artery
  • Posterior ethmoidal artery
  • Sphenopalatine artery
21
Q

What is Little’s area?

A

Anastomoses between anterior ethmoidal artery (ICA) and sphenopalatine artery (ECA)

22
Q

What is the innervation of the nasal septum?

A
  • Anterior ethmoidal nerve
  • Nasopalatine nerve
23
Q

What is the blood supply of the palate?

A
  • Hard palate:
    1. Sphenopalatine artery
    2. Greater palatine artery
  • Soft palate: Lesser palatine artery
24
Q

What is the innervation of the palate?

A
  • Hard palate:
    1. Nasopalatine nerve
    2. Greater palatine nerve
  • Soft palate: Lesser palatine nerve
25
Q

What is the blood supply of the maxillary teeth?

A
  • Infraorbital artery:
    1. Posterior superior alveolar artery (maxillary teeth)
    2. Middle superior alveolar artery (maxillary teeth)
    3. Anterior superior alveolar artery (maxillary teeth)
26
Q

What is the innervation of the maxillary teeth?

A
  • Anterior/middle superior alveolar nerves (Infra-orbital nerve)
  • Posterior superior alveolar nerve ([V2])
27
Q

What is the blood supply and innervation of the mandibular teeth?

A

Branches of inferior alveolar artery/nerve in mandibular foramen

28
Q

What is the innervation of the oral cavity?

A
  • Lateral walls: Buccal nerve - [V3]
  • Roof: Innervation of palate
  • Floor: Lingual nerve - [V3]
  • Tongue:

Anterior 2/3 - Lingual nerve [V3]

Posterior 1/3 - [IX]

29
Q

What is the blood supply of the pharynx?

A
  • Ascending palatine artery (ECA)
  • Branches of facial artery (ECA)
  • Branches of maxillary artery
30
Q

What is the innervation of the pharynx?

A
  • Nasopharynx: Pharyngeal nerve - [V2]
  • Oropharynx: [IX]
  • Laryngopharynx: Internal branch of superior laryngeal nerve - [X]
31
Q

What is the blood supply of the larynx?

A
  • Supraglottic space: Superior laryngeal branch - Superior thyroid artery
  • Infraglottic space: Inferior laryngeal branch - Inferior thyroid artery
32
Q

What is the innervation of the larynx?

A
  • Supraglottic space: Internal branch of superior laryngeal nerve - [X]
  • Infraglottic space: Recurrent laryngeal nerve - [X]
33
Q

What is the blood and nerve supply to the temporomandibular joint?

A
  • Blood supply: Branches of superfical temporal artery
  • Nerve supply: Branches of auriculotemporal nerve

Head and Neck anatomy (18 decks)

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