Cephalosome

Ceph´a`lo`some

(sĕf´å`lô`sōm)

n. 1. (Zool.) The anterior region or head of insects and other arthropods.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

References in periodicals archive ?

Caullery and Mesnil (1914) reported a different exiting sequence, with the middle of the body emerging first, followed by the cephalosome and finally the urosome.

Monstrilloid Copepods: the Best of Three Worlds

Habitus as in figure 3C, body relatively long, compact anteriorly, cephalosome with large rounded dorsal integumental window and length/ wide ratio = 1.1.

Notas sobre Halicyclops (Copepoda, Cyclopoida, Cyclopidae) de Colombia y el Caribe occidental: un nuevo registro con una clave para las especies del Grupo "B" sensu Rocha (1991)

First leg-bearing somite separates from cephalosome. Mouth aperture distinct, without labrum or labium.

A new copepod with transformed body plan and unique phylogenetic position parasitic in the acorn worm Ptychodera flava