More Neck Flashcards

1
Q

Identify structure A.

A

Thyrohyoid membrane of larynx.

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2
Q

What is the thyrohyoid membrane?

A

A ligament

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3
Q

What does the thyrohyoid membrane attach to?

A

Upper margin of thyroid lamina, superior horn of thyroid cartilage
Hyoid bone

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4
Q

What is inside the thyroyoid membrane?

A

Superior laryngeal vessels and internal laryngeal nerves

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5
Q

Identify structure B.

A

Right lobe of thyroid.

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6
Q

Identify structure C.

A

Thymus

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7
Q

Describe the location of the thymus.

A

Posterior to sternum
Anterior to pericardium

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8
Q

What is the function of the thymus?

A

Production of T-cells

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9
Q

What system does the thymus belong to?

A

Immune system

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10
Q

Describe the innervation of the thymus.

A

Vagus nerve and cervical sympathetic chain.

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11
Q

Describe the blood supply to the thymus.

A

Branches of internal thoracic, inferior thyroid, superior thyroid (sometimes) arteries

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12
Q

Identify structure D.

A

Thyroid

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13
Q

Describe the location of the thyroid gland.

A

Anterior to larynx and trachea.

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14
Q

Describe the blood supply to the thyroid gland.

A

Superior and inferior thyroid arteries

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15
Q

Describe the innervation of the thyroid gland.

A

Superior, middle and inferior cervical ganglia

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16
Q

What is the function of the thyroid gland?

A

Synthesizes thyroid hormones

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17
Q

To which body system does the thyroid gland belong?

A

Endocrine

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18
Q

Identify structure E.

A

Carotid sheath

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19
Q

What is within the carotid sheath?

A

Common and internal carotid arteries, internal jugular vein, vagus nerve

20
Q

What is the carotid sheath?

A

Fascial layer

21
Q

What is the function of the carotid sheath?

A

Protects important neurovasculature in the neck.

22
Q

Identify structure F.

A

Left lobe of thyroid gland.

23
Q

Identify structure G.

A

Isthmus of thyroid gland.

24
Q

Identify structure A.

A

Ansa cervicalis

25
Q

Identify structure B.

A

Carotid body

26
Q

Identify structure C.

A

Carotid sinus

27
Q

What is the origin of the ansa cervicalis?

A

Anterior rami of first to third (sometimes fourth) cervical nerves.

28
Q

Describe the course of the superior root of the ansa cervicalis.

A

Leaves hypoglossal nerve
Descends between internal juglar vein and carotid arteries

29
Q

Describe the course of the inferior root of the ansa cervicalis.

A

Descends medial or lateral to internal jugular vein, unites with superior root.

30
Q

What is the target of the ansa cervicalis?

A

Infrahyoid muscles

31
Q

What is the function of the carotid body?

A

Monitors oxygen levels in arterial blood.

32
Q

What is the function of the carotid sinus?

A

Monitors changes in arterial blood pressure.

33
Q

Name structure A.

A

sublingual gland

34
Q

Name structure B.

A

Submandibular gland

35
Q

Name structure C.

A

Submandibular duct

36
Q

Where is the sublingual gland located?

A

Floor of mouth

37
Q

What artery supplies the sublingual gland?

A

Sublingual artery

38
Q

Describe the innervation of the sublingual gland.

A

Chorda tympani (CN VII);
Lingual nerve (CN V3)

39
Q

What is the function of the sublingual gland?

A

Mainly secret mucous fluid, but can also secrete serous fluid

40
Q

What body system is the sublingual gland part of?

A

Digestive

41
Q

Describe the location of the submandibular gland.

A

Within submandibular triangle of anterior neck.

42
Q

Describe the arterial supply to the submandibular gland.

A

Glandular branches of facial artery.

43
Q

Describe the innervation of the submandibular gland.

A

Chorda tympani (CN VII)

44
Q

What is the function of the submandibular gland?

A

Secretes mucous and serous saliva

45
Q

To which body system does the submandibular gland belong?

A

Digestive

46
Q
A