dorsal cardo (ARTHRO: Crustacea) In Ostracoda, that portion of the peniferum that serves as a hinge by which it articulates with the zygum.
dorsal denticle 1. (G.T.) 2. (ARTHRO: Crustacea) In Ostracoda, a small, solid spinose projection on the dorsal margin; smaller than the dorsal spine.
dorsal diaphragm (ARTHRO: Insecta) Muscular sheets of tissue extending from the ventral wall of the heart and vessels to the laterodorsal parts of the body wall, usually incomplete laterally; it may or may not delineate the pericardial sinus from the perivisceral sinus.
dorsal foramen (BRACHIO) A posterior perforation of the car-dial plate that may or may not encroach on the beak of the brachial valve.
dorsal gland orifice 1. The opening of any dorsal gland. 2. (ARTHRO: Insecta) In Diaspididae, disc pores and ducts for wax production on the surface of the pygidium.
Was this article helpful?