12 terms

Earthworm Dissection Rules & Terms

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aortic arches
The heart like pumping organs of earthworms.
ganglia
The brain of the worm.
Nerve cord
The cord that connects the brain to the body.
ventral
The stomach side of the worm (lighter coloration)
dorsal
The back side of the worm (darker coloration)
setae
Tiny hairs that worms use to help move.
clitellum
The smooth band on the outside surface of the worm.
Ovary
Produces female sex cells, or eggs.
Testes
Produces male sex cells, or sperm.
septa
Individual chambers of a worm's body
anterior
The front or head end of an animal.
posterior
The back or rear end of an animal.