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Samenvatting HL1: Deeltentamen 2

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Samenvattingen van de hoorcolleges aangevuld met de literatuur

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Uploaded on
November 7, 2021
Number of pages
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Written in
2019/2020
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Dinsdag 19 november 2019
HC9: Introductie BMW nomenclatuur en gamentogenese 1
Loek van der Kallen en Ans van Pelt

Craniaal - caudaal
Hoofd – staart
Anterior – posterior

Cephalocaudal/crranio-caudaal = van hoofd naar start
Lateraal = zijkant
Mediaal = middenlijn
Incoporatie = opnemen in het lichaam
Distal = in de richting van het uiteine lopend (afstand)
Proximal = in de richting van de basis gelegen (dichtbij)
Ventraal = buikkant
Dorsaal = rugkant
Superior
Inferior
Anterior = ventral
Posterial = dorsal

(zie dia tabel)

Coronaal/frontaal = het vlak waar je tegenaan kijkt, staat loodrecht op dorsaal
Saggittaal/longitudinale doornede = loodrecht op de links-rechts as, alsof er een pijl door je
heen gaat
Transversaal = dwars door het midden, loodrecht op craniaal-caudale as, loopt horizontaal

Spermatogenese

Anatomie geslachtsorganen (man) – zie dia

Spermacellen ontwikkelen zich in de testis, in de tubuli seminiferi. In de bijbal worden de
spermacellen verder gerijpt.
De spermatogenese start bij de puberteit en gaat gedurende het hele leven door.

Zaadcelproductie
1. Van spermatogonium tot spermatide (mitose en meiose)
Mitose is nodig om spermatogonia te vermeerderen
- Voor deling van spermatogonile stamcellen naar commited spermatogonia
- Voor het in stand houden van de pool van spermatogoniale stamcellen
Meiose is nodig voor…
2. Van spermatide tot spermatozoön (spermiogenese)
Spermatozoön heeft weinig celstructuen, DNA compact, absorptie van fructose
vanuit omgeving en ze kunnen nog niet zelf bewegen
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