PARASITOLOGY | ZOO 4234: PLATYHELMINTHES, DIGENEANS EXAM WITH 100% CORRECT ANSWERS | GRADED A+

Digenea female reproductive system Ans -ovicapt: sphincter muscle controls release of oocyte from ovary term-11 - Laurer's canal: vestigial vagina - Mehlis' gland: unicellular mucous and serous glands surrounding ootype - Ootype: expanded area of oviduct surrounded by Mehlis' gland - vitellaria: vitelline glands which produce bulk of shell material and yolk of the egg - Oogenotop: "egg forming apparatus" Characteristics of phylum Platyhelminthes... Ans *Flatworms* -Simplest bilaterally symmetrical animals - acoelomates: lack body cavity other than the gut; incomplete digestive tract lacking anus - triploblastic- contain mesoderm, ectoderm, and endoderm. - dorsoventrally flattened giving a greater surface area for respiration by diffusion - tegument serves as skin as its the outer surgical covering - parenchyma