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Zusammenfassung männliche Geschlechtsorgane - Histologie
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histologischer Aufbau der männlichen Geschlechtsorgane
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MÄNNLICHE GESCHLECHTSORGANE•
äußere Geschlechtsorgane
-
Organa genitalien masculina externa
•
Glied (Penis )
•
Hodensack (Scutum ) mit Hoden hülle
• innere Geschlechtsorgane -
Organa genitaüa masauina interna
•
Hoden (Tests / Orchis 1
Didymis )
•
Nebenhoden ( Epididymis)
•
Samenleiter (Ductus deferens )
•
akzessorische Geschlechts drüsen :
1. Vorsteherdrüse ( Prostata )
2. Bläschen drüsen ( Glandulae vesiaelosae)
3. Cowper -
Drüsen ( Glandulae bulbourethrales )
4. weitere kleine Drüsen ( Gl Urethrales
-
,
GI .
praeputiales )
1- .
HO DEN
BildungsOrt Spermien
=
=
Synthese Ort Androgene
•
Hoden
gewebe umgeben von
BG Kapsel
-
↳ Tunica
albugirea
↓
tes tis ziehen Rete Iestis
Septen -
Septum zum Hoden netz -
Hoden Hodenläppchen geteilt
gewebe in Lobau testis
• -
1-
hier HO den Kanal Chen -
Tubuli seminitoi
, contorti
•
Rete tests über Ductuli efferentes mit Nebenhoden verbunden
• Aufbau
Tunica (undehnbar )
albugi mea
• :
↳
Kollagenfasern +
glatte Muskelzellen
↓
Verbindung zum BG des Mediastinum
testis
•
in Lobuli jeweils 1-5 Hoden Kanäleher
( Tubuli semi niteri contorti )
↓
über Tubuli recti → Enden in das Reletstis
•
Rete testis =
Komplexes Netzwerk von
Spalträwmen
↓ ↳ einschichtige ,
isoprismatisches
Epithel
•
Hoden Kan a- Ionen :
↓
=
Tubuli seminiferi contorti
•
Hoden parenchym durch Septen in Lobau
testis unterteilt
↳ in ihnen Hoden Kanäleher
UM
Keimepitnet Lamina limit ans
•
:
↳ Lamina Basalmembran
propria +
I
Kontrakte Myo fibroblasten +
Kollagenfasern
•
Keim epithel von ser toi Zellen
-
( Statuetten ) gebildet
\
, ↳
sitzen Basalmembran auf
↳ Zwischen
denen Keimzellen eingebettet
Sertoli Zellen durch Junction verbunden
Tight Blut Hoden
- -
• -
-
Schranke
Blut Hoden Schranke nahe Basalmembran
gelegene Spermogonien
• -
- :
von
Spermatozylen / Sperma tiden trennt
( hormon
Zwischen Hoden Kanälen en
leidig Zellen bildend
•
: -
2. SPERMATOGENESE
männl Keimzellen
Bildung -
•
3 Schritte :
1.
Vermehrung ( Mitose) der spermato goniet
2. Reifung ( Meiose ) spermatogonien →
spermati den
3. ( Spermio
Differenzierung genese ) spermatiden
:
→ reite Spermien
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