Steroidy Flashcards

1
Q

Steroly

A

-na steran se vaze hydroxylova skupina
- a) zoosteroly
- b) fytosteroly

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2
Q

zoosteroly

A

-zivocisneho puvodu
-cholesterol:
v mozku, mise
ovlivnuje polopropustnost cytoplazmaticke membrany
hodny a zly
hlavne v krvavě mase, v hovezim
kdyz je ho moc, zuzuje cevy, krevni srazenina->infarkt

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3
Q

fytosteroly

A

-rostlinneho puvodu
-ergosterol:
v kvasnicich
UV zarenim vznik ergokalciferol=vit D (dulezity pri funkci kosterni soustavy)

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4
Q

žlučové kys.

A

-na steranu je karboxylova skupina (-COOH)
-ve zluzi (v jatrech)
-podileji se na emulgaci tuku
-zastupce: kys. cholová

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5
Q

steroidní hormony

A

a) pohlavni hormony
-testosteron - muz
-estrogen - zena
-progesteron - zena
-vyuziti lecba nejakych rakovin a antikoncepce
b) kortikoidni hormony
-produkovany nadledvinkami
-hospodareni s mineralnimi latkami a glukozou
-vyuziti: ekzemy

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6
Q

steroidni glykosidy

A

-soucasti jedovatych rostlin
-hlavne náprstník=digitalis -> digitoxin lecba srdecnich chorob

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7
Q

anabolicke steroidy

A

-stimuluji produkci bilkovin -> narust svalove hmoty
-spatne na srdce

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8
Q

Deleni steroidu

A

1) steroly
a) zoosteroly
b) fytosteroly
2) zlucove kys.
3) steroidni hormony
a) pohlavni hormony
b) kortikoidni hormony
4) sterodini glykosidy
5) anabolicke steroidy

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