Parasites Flashcards
Porifera
sponges
Cnidaria
jellyfish-like animals
Annelida
segmented worms
Hydroid
hydras, polyp phase
Jellyfish
a free-swimming marine coelenterate with a jellylike bell- or saucer-shaped body that is typically transparent and has stinging tentacles around the edge
Platyhelminthes
flatworm
Nematoda
roundworms
Pinworms
a small nematode worm that is an internal parasite of vertebrates
Tapeworms
a parasitic flatworm
Bivalves
an aquatic mollusk that has a hinged shell
Gastropods
a mollusk of the large class, slug
Coelomate
have a body cavity, coelom
Acoelomate
an invertebrate lacking a coelom
Radial Symmetry
symmetry around a central axis, like starfish
Asymmetry
no symmetry
Bilateral Symmetry
mirror on each half
Tentacle
a slender flexible limb or appendage in an animal
Cnidocyte
explosive cell containing one giant secretory organelle or cnida
Ectoderm
the outermost layer of cells or tissue of an embryo
Endoderm
the innermost layer of cells or tissue of an embryo
Ovary
a female reproductive organ in which ova or eggs are produced, present in humans and other vertebrates as a pair
Teste
a male reproductive organ, produce and store sperm also the body’s main source of male hormones, such as testosterone
