chitinous
11chitinous cradle — (ARTHROPODA: Insecta) Chitinized arms or bars that form the endoskeleton of the head of scale insects …
12chitinous plate of Hayes — see nesium …
13exoskeleton — Chitinous or calcified outer integument of crustaceans [McLaughlin, 1980]. Chitinous or calcined outer integument of body (pleurites, sternites, tergites) and appendages. See: endoskeleton [Stachowitsch, 1992]. Entire horny (in part chitinous)… …
14peritrophic membrane — Chitinous sheath secreted around feces (e.g., some Ostracoda) [Moore and McCormick, 1969]. Chitinous sheath secreted around feces [McLaughlin, 1980]. (Order Decapoda): Chitinous membrane, secreted in anterior region of midgut and surrounding… …
15cephalic shield — Chitinous or more or less calcified covering of the head region, formed of fused tergites of cephalic somites, commonly having pleura [McLaughlin, 1980]. Chitinous, more or less calcified covering structure of head region formed of fused tergites …
16primordial valve — Chitinous plate in Cirripedia (Lepadomorpha and Verrucomorpha) having a distinctive honeycomb appearance, developing at incipient umbones of terga, scuta and carina, during metamorphosis [Moore and McCormick, 1969]. One of 5 chitinous plates… …
17chitin — chitinous, adj. chitinoid, adj. /kuy tin/, n. Biochem. a nitrogen containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of… …
18cnidarian — /nuy dair ee euhn/, n. 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a… …
19Love dart — SEM image of lateral view of a love dart of the land snail Monachoides vicinus. The scale bar is 500 μm (0.5 mm) …
20annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …
