ductus deferens = zaadleider
epididymis = bijbal
zaadleider en urinebuis komen samen thv prostaat
2.1.1. SCROTUM, ZAADBAL EN BIJBAL
SCROTUM
cremaster spier
o = gladde spier kunnen we niet bewust laten contraheren
o functie: afstand van testes tov lichaam bepalen (temperatuur zo dicht mogelijk bij 34°)
ZAADBAL (TESTIS)
, testiskanaaltjes (tubuli seminiferi) doen aan spermatogenese
o kanaaltjes afhankelijk van fase van spermatogenese
o bevat holte waarin spermacellen gedropt worden
Sertolicellen: productie inhibine
interstitiële cellen (cellen van Leydig): secretie testosteron
bij spermatogenese: altijd een cel die verder ontwikkelt tot
spermacel en een cel die spermatide blijft
DNA bepaalt hoe wij eruitzien, maar ook hoe zaadcel eruit
ziet vorm van natuurlijke selectie
BIJBAL (EPIDIDYMIS)
opslag en verdere rijping
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller geneeskundeftpsychologie. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.25. You're not tied to anything after your purchase.