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Samenvatting ovv: histologie
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Samenvatting ontwikkeling, voortplanting en verloskunde (deel histologie, gegeven door Sofie Verbeke)
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Histologie1) Mannelijk geslachtsstelsel
Testis en afvoerwegen:
Testes + scrotum
Testes
- Tunica vaginalis
- Tunica albuginea
o Tunica vasculosa
o Mediastinum testis
- Lobuli testis
- Tubuli seminiferi => tubuli recti => rete testis
o Spermatogenese vanaf puberteit
▪ IS: Leydig: testosteron
▪ Reinke kristallen
o Spermatogeen epitheel: Sertoli + versch diff stadia
▪ Zonulae occludentes: bloed-testis barrière
▪ Testisvloeistof
▪ ABP
▪ Spermatogoniën A&B => spermatocyt I/II =>
spermatiden vroeg/laat => spermatozoa
▪ spermatocytogenese meiotische
delingen spermiogenese
▪ Acrosomal head cap + flagel
o Myogene cellen
Scrotum = huid
- Epidermis
o Basale hyperpigmentatie
- Dermis
o Tunica dartos = musculo-elastische laag (T)
o Septum scrotale
Ductuli efferentes
Mucosa
- Cilindrisch (ciliën) + kubisch (secr granules, enodcytische vesikels) epitheel
Muscularis: GSP
Gevasculeerd losmazig bw
Epididymis = bijbal
Kop
- Ductuli efferentes
- Coni vasculosi
Corpus + cauda
Functie
- Transporteren, conc, uitrijpen, stapelen spermatozoa
- Verwerven motiliteit
1
, - Opp vergroting
Mucosa
- Pseudotweelagig cilindrisch epitheel
o Stereociliën
Muscularis: GSP
Gevasculeerd losmazig bw
Ductus deferens
Mucosa
- Epitheel : zie epididymis
- Stervormig lumen
- Lamina propria : fibro-elastisch
Muscularis: longit – circ – longit
Adventitia
- Gevasculeerd bw
Ampulla
- Kubisch epitheel
- Muscularis : circ – longit
Funiculus spermaticus
- Ductus deferens + zenuwen + plexus pampiniformis + m. cremaster
Ductus ejaculatorius
- Doorheen prostaat
- Eénlagig kubisch epitheel
Colliculus seminalis : uitmonding
Klieren:
Vesiculae seminales
Alkalisch secreet
- Mobiliteit
- Deel ejaculaat
- Voeding : fructose
Mucosa
- Kubisch secr epitheel
- Lipofuchsine
Muscularis : circ – longit
Adventitia : losm, elastisch bw
Glandula prostatica
Secreet
- Zuur, waterig
- PSA, fosfatase, citroenzuur, fibrinolytische enzymes
2
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