Calcitonina Flashcards

1
Q

Que hace la calcitonina

A

Disminuye los niveles de calcio

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2
Q

De donde proviene la calcitonina

A

De las celulas parafoliculares/células C en la tiroides

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3
Q

Formación calcitonina

A

Preprocalcitonina—> precalcitonina—> calcitonina (32aa)

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4
Q

Estimulo para liberar calcitonina

A

Hipercalcemia

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5
Q

Donde trabaja la calcitonina

A

Hueso (efecto mayor)

Riñones

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6
Q

Receptor en osteoclastos de calcitonina

A

De proteína G —> AC—> AMPc—> menor resorción

osea y menor concentración de calcio en sangre

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7
Q

Función en riñones

A

En tubulos contorneado distales —> células principales—> menor reabsorción de fosfato y calcio
Calciuria
Fosfaturia

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