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Y2 Endocrine > Anatomy - Thyroid > Flashcards

Anatomy - Thyroid Flashcards

1
Q

what is the medical name for the adam’s apple?

A

laryngeal prominence

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2
Q

what divides the neck into anterior and posterior triangles?

A

sternocleidomastoid

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3
Q

where does the external jugular vein drain?

A

the subclavian vein

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4
Q

where does the anterior jugular vein drain?

A

external jugular vein

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5
Q

what are the two heads of the SCM?

A

sternal head

clavicular head

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6
Q

where does the sternal head of the SCM attach?

A

the manubrium of the sternum

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7
Q

where does the clavicular head of the SCM attach?

A

the medial end of the clavicle

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8
Q

where does the trapezius attach inferiorly?

A

spine of the scapula

lateral end of the clavicle

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9
Q

what nerve supplies the SCM and the trapezius?

A

CN XI

spinal accessory

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10
Q

what is the most superficial muscle in the neck?

A

platysma

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11
Q

what nerve innervates the platysma?

A

CN VII

facial nerve

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12
Q

what are the four fascial compartments of the neck?

A

investing
prevertebral
carotid sheaths
pretracheal fascia

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13
Q

what muscles are enclosed i the investing fascia?

A

trapezius

sternocleidomastoid

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14
Q

what is enclosed in the prevertebral fascia?

A

postural neck muscles

cervical vertebrae

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15
Q

what four things are found in each carotid sheath?

A

deep cervical nodes
vagus nerve
common carotid artery
internal jugular vein

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16
Q

what fascial compartment is the thyroid gland found in?

A

the pretracheal fascia

17
Q

what is another name for the strap muscles?

A

the infrahyoid muscles

18
Q

what are the four strap muscles?

A

thyrohyoid
sternohyoid
sternothyroid
omohyoid

19
Q

what are the two parts of the omohyoid muscle?

A

superior belly

inferior belly

20
Q

where does the thyroid gland begin development?

A

as a midline epithelial proliferation at the junction between the anterior and posterior sections of the tongue

21
Q

what is the origin of the thyroid called in adults?

A

foramen caecum

22
Q

what are the parts of the thyroid gland?

A

two lateral lobes - right and left

connected by the isthmus

23
Q

what structures are the lobes of the thyroid connected to?

A

lateral aspects of thyroid + cricoid cartilages

trachea

24
Q

where does the isthmus lie?

A

anterior to the 2nd and 3rd cartilages of the trachea

25
Q

what happens to a lump in the thyroid during swallowing?

A

will be seen moving superiorly and then inferiorly with the larynx

26
Q

what is an enlarged thyroid called?

A

a goitre

27
Q

how many parathyroid glands are there?

A

four

28
Q

where are the parathyroid glands located?

A

the posterior surface of the lateral lobes of the thyroid glands

29
Q

what is a possible variation of the thyroid gland?

A

a pyramidal lobe

Y2 Endocrine (33 decks)

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