ORGANOGENESE VON LIMNAEA STAGNALIS 



751 



Tab. I. 



Das zeitliche Auftreten der Organe. 





E2 



E3 



E4 



E5 



E6 



E7 



E8 



E9 



ElO 



El I 







-)- 



+ R 



+ R 



-{- 



+ R 



+ R 











wimpcrun^ 



-\- 



4- 



-f 



-f- 



-f 











Urnierc 



( + ) 



-t D 



-f- 



+ 



-f 



DE 



DE 









Dcfinitivc Nicrc 



z 



Z 



z 



Z 



+ D 



-(- 



4- 



4- 



4- 



4- 

 4- 



Rcno~Pcrik(irclicil~Cj3n§ 











+ D 



4- 



4- 



4- 



4- 



Niich3.1zcilcn 







-)- 







+ A 



+ DE 



H-DE 



+ DE 



+ DE 



Herz 











-|- 



-f 



-\- 



4- 



4- 



4- 



Pcrikard 









( + ) 



( + ) 



4- 



4- 



4- 



4- 



4- 



Ccrcbralganglien 





p 



Z 



Z 



Z 



-|- 



4- 



4- 



4- 



4- 



Pcdcil§ângliGn 







p 



z 



Z 



-|- 



4- 





4- 



4- 



Buccâlgânglicn 









( + ) 





-X- 



4- 



4- 





4- 



PlcuTtilgciriglien 







p 



p 



Z 



4- 



4- 



4- 





4- 



Pârictcilgânglisn 







p 



p 



z 



4- 



4- 



4- 



4- 



-l- 



Visccralganglion 







p 



z 



z 



4- 



4- 



4- 



4- 



4- 



Osp h radial gel ngl ion 









p 



z 



z 



4- 



4- 



4- 



4- 



Osph radium 









p 



E 



E 



4- 



4- 



4- 



4- 



Augen 





(E) 



( + ) 



( + ) 



( + ) 



4- 



4- 



4- 



4- 



4- 



Lungcnhôhlc 







z 



EO 



EO 



EO 



+ V 



4- 



4- 



4- 



Atcmlochi 















4- 



4- 



4- 



4- 



Stomodàum 



+ 



-\- 



-f 



+ AE 



+ AB 



4- 



4_ 



4- 



4- 



4- 



Kiefer 











( + ) 



4- 



4- 



4- 



4- 



4- 



Radula 



z 



AW 



AG 



AG 



AG 



AN 



4- 



4- 



4- 



4- 



Oesophag 



+c 



+c 



4-C 



+ C 



+c 



4-C 



4-C 



+c 



4-C 



4- 



Spcicheldrûsc 













\^ ) 



4_ 



4_ 



4_ 



4- 



N4agcn 







-(- 



_)_ 





4_ 



4- 



4- 



4- 



4- 



Enddarm 







\W/AZ 



+ AZ 



+ AZ 



+ AZ 



+ D 



4- 



4- 



4- 



4- 



Mitteldarmdriise 









AW 



AW 



AW 



AW 



AW 



AW 



Eiklarsack 



X 



X 



XL 



XL 



XXL 



XXL 



XXL 



XXL 



XXL 



XXL 



Tentakel 









( + ) 



+ 



+ 



+ 



+ 



+ 



+ 



Mundlappen 









( + ) 



+ 



+ 



+ 



+ 



+ 



+ 



Schale 





+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



Mantelhôhle 













+ E 



+ E 



+ E 



+ 



+ 



Geschechtsapparat 













( + ) 



( + ) 



( + ) 



( + ) 



( + ) 



A 



= Austritt 



D 



= Durchbruch 



V 



= Verschliessbar 



AB 



= Absenken 



DE 



= Degeneration 



Z 



= UndiflFerenzierter Zellkomplex 



AG 



= Abgeschlossen 



E 



= Einsenkung, Einstùlpung 



X 



= Ein Sack 



AN 



= Angeschlossen 



L 



= Lumina 



XX 



= 2 Sàcke 



AW 



= Auswachsen 



O 



= Offen 



( ) 



= In Bildung begriffen 



AZ 



= Analzellen 



P 



= Prolifération 





= Nicht vorhanden 



C 



= Cilien 



R 



= Résorption 



+ 



= Voll ausgebildet 



