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Step 1 Endocrinology-First Aid 2017 > Embryology > Flashcards

Embryology Flashcards

1
Q

Normal remnant of thyroglossal duct?

A

Foramen cecum

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2
Q

Where does thyroid diverticulum arise from during embryological development?

A

Floor of primitive pharynx

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3
Q

What is the most common ectopic thyroid tissue site

A

Base of tongue

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4
Q

What is a complication of removing ectopic thyroid tissue?

A

Hypothyroid (if only thyroid tissue present)

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5
Q

Anterior midline neck mass that moves with swallowing or protrusion of tongue

A

Thyroglossal duct cyst

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6
Q

Lateral neck mass caused by persistent cervical sinus

A

Branchial cleft cyst

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7
Q

What embryological tissue are thyroid and parafollicular cells derived from?

A

Endoderm

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8
Q

What do parafollicular cells (C cells) produce?

A

Calcitonin

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9
Q

What embryological tissue is the adrenal cortex derived from?

A

Mesoderm

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10
Q

What embryological tissue is the adrenal medulla derived from?

A

Neural crest cells

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Step 1 Endocrinology-First Aid 2017 (4 decks)

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