, 8. Penis.................................................................................................................................................11
8.1 Bouw...........................................................................................................................................11
8.1.1 Dorsale kolommen= corpora carvernosa.............................................................................11
8.1.2 Ventrale kolom= corpus spongiosum urethrae....................................................................11
8.1.3 Spongieus weefsel gelegen in beide kolommen...................................................................11
8.2 Eindverdikking= glans penis........................................................................................................12
8.3 Huid............................................................................................................................................12
8.4 Bloedvoorziening........................................................................................................................12
8.4.1 A. pupenda interna (splitst in).............................................................................................12
8.4.2 Bloedafvoer.........................................................................................................................12
8.5 Belangrijkste verschillen tussen corpus spongiosum en corpora cavernosa...............................13
8.6 Mechanisme van de erectie........................................................................................................13
8.6.1 Tot standkoming...................................................................................................................13
8.6.2 Detumescentie.....................................................................................................................13
8.7 Lymfevaten.................................................................................................................................13
8.8 Bezenuwing.................................................................................................................................13
1. Inleiding
- 3 functionele componenten
o Testis en afvoerwegen= eigenlijke mannelijke gonaden waar zaadcellen gevormd
worden
o Klieren
Glandula prostatica: vloeistof waarin zaadcellen zich bevinden aanmaken
Vesiculae seminales
Glandula bulbo-urethrales: aanmaak voorvocht
o Penis
Klieren van Littré= mukeuze klieren
- Functie: productie van sperma/semen (= spermatozoa + zaadvloeistof) en testosteron
o Aangemaakt ter hoogte van testis
2. Testis en afvoerwegen
2.1 Testes = teelballen= testikels
- Ontwikkelt zich in de buikholte en zakt daarna af in scrotum maturatie zaadcellen bij 35°C
(buikholte is temperatuur hoger dan 35°C)
2.1.1 Bouw scrotum/balzak
- Zakvormige uitstulping van de huid
- Gepigmenteerd en geplooid oppervlak
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