Epifiza Flashcards

1
Q

Locatia epifiza

A

intre tuberculii cvadrigemeni superiori € epitalamus

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2
Q

anatomic si functional are conexiuni cu … formand un sistem…. (epifiza)

A

cu epitalamusul formand un sistem neurosecretor epitalamo-epifizar

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3
Q

Hormonii epifizei

A

melatonina

vasotocina

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4
Q

Actiune melatonina

A

franatoare fct gonade

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5
Q

vasotocina

A

actiune antigonadica, mai ales anti LH(hormon luteinizant)

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6
Q

extractele de epifiza au efecte metabolice

A

Lipidic

Glucidic

Proteic

Mineral

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7
Q

Epifiza are legaturi stranse cu retina. Stimulii luminosi produc (prin intermediul nervilor simpatici) :

A

REDUCERE secretie melatonina in timp ce la intuneric functia creste si franeaza fct gonadelor

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