Endokrinologi Flashcards

1
Q

strukturer i epifysen

A
  • vaskulariserade lober
  • pinealocyter (basofila, stor kärna, tydlig nukleol)
  • interstitialceller (5%): starkareinfärgade, gliaceller, utragna, kärnor i stråk
  • acervuli: kalciumutfällningar, lila/blå, jämn/fin yta
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2
Q

vilken hypofyslob färgas mörkast?

A

adenohypofysen

neurohypofysen ⇒ myeliniserade axon, ljusare

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3
Q

struktur neurohypofysen

A
  • axon i stråk, vita insprängningar (myelin)

- pituicyter: stödjevävnad, gulaktig cytoplasma, kärnor över hela preparatet

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4
Q

strukturer adenohypofysen

A
  • rikt vaskulariserad
  • kromofober: färglös cytoplasma
  • acidofiler: rosaröda
  • basofiler: blålila, blekare, oregelbundet i preparatet
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5
Q

struktur pars intermedia

A
  • rikt vaskularisering
  • folliklar, eosinofil kolloid
  • basofiler och kromofober
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6
Q

struktur tyreoidea

A
  • folliklar med kolloid
  • kubepitel (follikelceller)
  • parafollikulära-/C-celler: ljusare, större cytoplasma
  • ej adipocyter
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7
Q

struktur paratyreoidea

A
  • tät massa utan folliklar
  • huvudceller (chief cells): ↓cytoplasma, täta kärnor
  • oxyfila celler: rödare/större, kluster eller enstaka
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8
Q

binjuremärgen

A

polygonalakromaffinceller: kluster, större cytoplasma än barken

endast en typ celler + kärl!

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9
Q

etymologikromaffinceller

A

tar upp krom vid infärgning

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10
Q

binjurebarken

A
  • glomerulosa: tunt lager, elliptiska celler i kluster, ↓cytoplasma
  • fasciculata: tjockast lager, celler i kolumner, ↑cytoplasma
  • reticularis: täta celler, ibland nätstruktur
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