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One of the actual or ideal serial segments of which an animal, esp. an articulate or vertebrate, is composed; somatome; metamere. -- So*mit`ic, a.

Native sulphate of magnesia or Epsom salt.

One of the primitive segments, or metameres, of an animal.

One of the somites (arthromeres) that make up the thorax of Arthropods. Packard.

One of the somites (arthromeres) which make up the head of arthropods. Packard.

One of the jointed antenniform appendage of the posterior somites of cartain insects. Packard.

In crustaceans: The part of the side of a somite external to the basal joint of each appendage. See Illust. under Crustacea.

follow one another in a vertebrate or articulate animal, as in an earthworm; a segment; a somite. See Illust. of Loeven's larva.

One of the lateral pieces of a somite of an insect.

The hindermost dorsal piece of a thoracic somite of an insect; the plate behind the scutellum.

p on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm.

One of the divisions, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome. Segment gear, a piece for receiving or communicating reciprocating motion from or to a cogwheel, consisting of a sector of a circular gear, or ring, having cogs on the periphery, or face. -- Segment of a…

See Somite.

The sternum of an arthropod somite.

The ventral part of any one of the somites of an arthropod.

, fringed, and usually bilobed, appendages, of which several pairs occur on the abdominal somites of many crustaceans. They are used as fins in swimming.

The dorsal portion of an arthromere or somite of an articulate animal. See Illust. under Coleoptera.

The dorsal piece of a somite of an articulate animal.

an insect, or that region which bears the legs and wings. It is composed of three united somites, each of which is composed of several distinct parts. See Illust. in Appendix. and Illust. of Coleoptera.