DipylidiumÊninum

O

Adult flea harbours the infective cysticercoid

O

Host ts infected by mgesting fleas' contaming cysticercoÅ‚d.

Humans. nixmally children, acquire the infectton by ingestmg the infected flea

Infected larval stage develop mto adult

Each proglottid contams egg packets that are held together by an outer embryomc membranÄ™ (see©).

The proglottids disintegrate and release the egg packets.

Q Adult in smali intestine

Oncosphere Cysticercoid Oncospheres hatch from the eggs and penetrate the

intestinal wali of the Q (.    ......*

larvae. Cysticercoid larvae develop in the body cavity.

Egg packets contaming embryonated eggs are ingested by larval stage of flea.

A = lnfcctive Stage A= Diagnostic Stage

\i Scołex a tt ach es in intestine

Pffl

http //www.dpd cdc.gov/dpdx