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Images of Anatomy > Head and neck 3 > Flashcards

Head and neck 3 Flashcards

1
Q

What are the contents of the carotid triangle in the anterior triangle of the neck?

A
  • Common carotid artery
  • Vagus(X)
  • Internal jugular vein
  • Ansa cervicalis (nerve supply from C1-C3)
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2
Q

What are the contents of muscular triangle in the anterior triangle of the neck?

A
  • Strap muscle

- External jugular vein

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3
Q

What are the contents of the digastric triangle in the anterior triangle of the neck?

A
  • Submandibular gland
  • Nodes
  • Facial vessels and hypoglossal nerve
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4
Q

What nerve supplies the digastric muscle?

A

Facial nerve supplies posterior belly and mylohyoid nerve(branch of trigeminal mandibular division).

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5
Q

What are the anterior and posterior triangle of the neck separated by?

A

Anterior and posterior triangle of the neck are separated by the sternocleidomastoid muscle

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6
Q

What are the layers of the neck?

A
  1. Investing layer
  2. A pretracheal component of deep fascia
  3. B. Visceral component of deep fascia
  4. Prevertebral layer of deep fascia
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7
Q

What is suprahyoid?

A

-Everything above the hyoid

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8
Q

What is infrahyoid?

A

-Everything below the hyoid

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9
Q

What is the pneumonic for supra/infrahyoid muscles?

A

Toss

  • Thyrohyoid
  • Omohyoid
  • Sternohyoid
  • Sternothyroid
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10
Q

What is the pharynx divided into?

A

-Divided into naso, oro and laryngopharynx

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11
Q

What is the arterial supply of the pharynx?

A

-Superior thyroid and ascending pharyngeal branches of External common carotid

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12
Q

What does the venous plexus drain into?

A

Venous plexus drains into inferior jugular vein

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13
Q

What is the nerve supply of the pharynx?

A
  • Pharyngeal branches of 9 and 10 (sensory and motor)

- Maxillary(V2) sensory for nasopharynx

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14
Q

What is the pharynx?

A

Fibromuscular tube

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15
Q

What type of wall is

located posteriorly to the pharynx?

A

Muscular wall posteriorly

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16
Q

What way does the pharynx open into the nasal cavity, oral cavity and larynx?

A

-Opens anteriorly into nasal cavity, oral cavity and larynx

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17
Q

How many continuous parts does the pharynx have?

A

Three continuous part

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18
Q

What does the nasopharynx function in?

A

Functions in respiration

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19
Q

What is the location of the nasopharynx?

A

-Base of skull(basisphenoid and basiocciput) to tip of uvula(C1-C2)

20
Q

What does the nasopharynx open into and via what?

A

Opens into nasal cavity via choanae

21
Q

What is the sensory nerve of the nasopharynx?

A

Sensory:

-Maxillary nerve (CNV2)

22
Q

What are some of the contents of the nasopharynx?

A
  • Pharyngeal tonsils
    • Adenoids
  • Torus tubaris
    • Cartilaginous part of auditory tube
  • Opening of eustachian tube
23
Q

What is the function of the oropharynx?

A

Functions in digestion and respiration

24
Q

What is the location of the oropharynx?

A

Tip of uvula to tip of epiglottis/hyoid bone

25
Q

What does the oropharynx open to and via what?

A

Opens to oral cavity via isthmus of fauces

26
Q

What is the sensory nerve of the oropharynx?

A

-Sensory: glossopharyngeal nerve (CN IX).

27
Q

What does the salpingopharyngeal fold overlie?

A

Overlies salpingopharyngeus m

28
Q

What does the salpingopharyngeal fold elevate?

A

Elevates pharynx + larynx

29
Q

What does the salpingopharyngeal fold open?

A

Opens eustachian tube

30
Q

What are the contents of the oropharynx?

A
  • Palatine tonsils
    • Between the palatoglossus and palatopharyngeal arches
  • Lingual tonsils
    • On pharyngeal part of tongue
  • Valleculae
    - Mucosal pouch
31
Q

What does the laryngopharynx function in?

A

Functions in digestion and respiration

32
Q

Where is the laryngopharynx located?

A

Tip of epiglottis to superior border of cricoid cartilage (C4-C6)

33
Q

What does the laryngeal inlet open into?

A

Laryngeal inlet opens into anterior wall

34
Q

What does the laryngopharynx continue as?

A

-Continues as oesophagus

35
Q

What sensory nerve is involved in the laryngopharynx?

A

Vagus nerve CNX

36
Q

What does the epiglottis protect whilst swallowing?

A

-Protects airways when swallowing

37
Q

What does the larynx protect?

A

-Protects airways

38
Q

What is the piriform recess and what can get stuck there?

A
  • Mucosal recess formed between central part of larynx and lateral thyroid cartilage
  • Food can get stuck here
39
Q

What are the three constrictors of the pharyngeal constrictor muscles?

A

Middle, superior and inferior constrictor

40
Q

What does the middle constrictor of the pharyngeal constrictor muscles attach?

A
  • Greater horn of hyoid bone
  • Lesser horn of hyoid bone
  • Stylohyoid ligament
41
Q

What does the superior constrictor of the pharyngeal constrictor muscle attach?

A
  • Pterygomandibular raphe
  • Mandible
  • Pterygoid hamulus
42
Q

What does the inferior constrictor of the pharyngeal constrictor muscle attach?

A
  • Cricoid cartilage

- Oblique line of thyroid cartilage

43
Q

What is the arterial supply of the upper pharynx?

A

Supplied by branches from external carotid artery

44
Q

What is the arterial supply of palatine tonsils?

A

-Supplied by tonsillar branch of facial artery

45
Q

What is the arterial supply of the lower pharynx?

A

Supplied by inferior thyroid artery branch of thyrocervical trunk

46
Q

What do lymphatic vessels of the pharynx drain into?

A

Lymphatic vessels drain into deep cervical nodes

47
Q

What node drains palatine nostrils?

A

Jugulodigastric node drains palatine nostrils

Images of Anatomy (12 decks)

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