Hymenolepis nana

Virtual Microscope


Egg; spheroidal; pale; thin shelled; oncosphere surrounded by rigid membrane; two polar thickenings from which 4-8 filaments extend into the space between the oncosphere and thin outer shell
Size: 30 - 45 μm



















A Shell
B Membrane
C Filaments
D Oncosphere


Hymenolepis nana, also known as the dwarf tapeworm, with adults measuring 15 to 40 mm in length.