Glandele Flashcards

1
Q

Definiti glandele endocrine

A

Glande care au secretia interna sunt formate din epitelii secretorii, ale caror celule produc hormoni, pe care ii elibereaza direct in sange

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2
Q

Tipuri de hormoni

A

Hormoni de natura

  • lipidica: deriva din colesterol-cortizon, hidrocortizon, prednison
  • proteica: din AA-insulina
  • aminica:catecolaminele- Adrenalina si Noradrenalina
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3
Q

Tipuri de glande

A
1) glande propriu zise:
Hipofiza
Epifiza
Tiroida
Paratiroide
Timusul
2) glande cu secretie mixta-prin partea lor endocrina
Pancreas endocrin
Ovar endocrin
Testicul endocrin
3) organe care indeplinesc in mod exceptional functie endocrina
Placenta secreta h pe perioada sarcinii
Subst care apartin sistemului paracrin: h secr de alte structuri
-gastrina secretata de antrul piloric
-eritropoietina
-colecistochinina
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4
Q

Hormonii

A

Hormonii sunt substamte chimice specifice, care actioneaza la distanta de locul sintezei

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5
Q

Neuroni hipotalamici

A

Unii neuroni hipotalamici si ai unor organe nervoasd au si activitate secretorie, proces numit neurosecretie, care reprezinta tot o functie endocrina

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