Chwarren

Chwarren
Enghraifft o:math o organ, dosbarth o endidau anatomegol Edit this on Wikidata
Mathorgan anifail, endid anatomegol arbennig Edit this on Wikidata
Yn cynnwyscell Edit this on Wikidata
Enw brodorolglandula Edit this on Wikidata
Dynodwyr
Freebase/M/0g2dg edit this on wikidata
Thesawrws y BNCF11857 edit this on wikidata
Tudalen Comin Ffeiliau perthnasol ar Gomin Wicimedia
Chwarren fandiblaidd (yr ên isaf). Dwy fath o alfeoli: y 'serws' (chwith) a'r 'mwcys' (dde).

Yn y corff, math o organ ydyw chwarren (lluosog: 'chwarennau') sy'n creu ac yn rhyddhau hormonau a chemegolion eraill, yn aml i mewn i'r gwaed neu fannau eraill. Ceir sawl math o chwarren yn y corff dynol ac mewn anifeiliaid eraill. Mae'r chwarennau poer yn secretu poer, fel yr awgryma'r gair.

Mathau

Gellir dosbarthu chwarrennau i ddau ddosbarth:

  • Chwarennau endocrin (diddwythell) — chwarennau sy'n secretu'n (Sa: secrete) uniongyrchol yn hytrach na thrwy ddwythell.
  • Chwarennau ecsocrin (allnawsiol) — sy'n secretu eu cynnwys drwy dwythell (Sa: duct). Ceir tri math:
    • chwarren apocrinaidd
    • chwarren holocrin
    • chwarren merocrin

Enghreifftiau

Delweddau ychwanegol

  • Toriad o ên isaf cath fach.
    Toriad o ên isaf cath fach.
  • Toriad drwy bancreas ci. X 250.
    Toriad drwy bancreas ci. X 250.
  • Toriad drwy chwarren laeth.
    Toriad drwy chwarren laeth.
  • Toriad drwy chwarren laeth.
    Toriad drwy chwarren laeth.
  • Apocrin
    Apocrin
  • Dulliau o secretu
    Dulliau o secretu

Cyfeiriadau

Wiciadur
Wiciadur
Chwiliwch am chwarren
yn Wiciadur.

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