Leech cocoons. Pile of egg cocoons of the medicinal leech,Hirudo medicinalis. Each cocoon is comprised of a protective,sponge-like material which contains as many as 20 eggs in a nutrient jelly. The young leeches are ready to leave the cocoon after about a month. The mucous cocoon is produced by the clitellum body area of an adult leech. Eggs are laid by all adult leeches,as they are hermaphrodites,having both male and female sexual organs | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tompkinson, Geoff |
Bildgröße: | 4983 px × 3424 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |