[Origin of the vitellin patches of Planorbis ova].
D000818:Animals; D004583:Electrons; D049851:Gastropoda; D008853:Microscopy; D008854:Microscopy, Electron; D010063:Ovum; D012908:Snails; D047048:Vitellins
D047048:Vitellins
MICROSCOPY, ELECTRON; OVUM; SNAILS
L origine des plaquettes vitellines de l'oeuf de Planorbe.