Feline: Parasite Diagnostic Terms

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Single-cell Embryo = Fertilized egg (zygote) prior to cell division.

Morulated = Zygote has gone through a few cell divisions.

Larvated = Near completion of development, with organism taking final form prior to hatching. May be active within the shell.

Egg Packet = Two or more eggs collectively enclosed by a membranous envelope. Term specific for Dipylidium sp. ova structures.

Operculum = Egg cap from which larvae emerge from the egg. A term specific for trematode ova.