D dacryoid a. [Gr. dakryon, tear; eidos, form] Tear-shaped. dactyl n.; pl. -tyles [Gr. daktylos, finger] 1. A finger or toe; a dactylus; a pretarsus; a digit. 2. (ARTHRO: Crustacea) The ultimate segment of a thoracopod; a dactylopodite. | D dacryoid a. Gr. dakryon tear eidos form Tear-shaped. dactyl n. pl. -tyles Gr. daktylos finger 1. A finger or toe a dactylus a pretarsus a digit. 2. ARTHRO Crustacea The ultimate segment of a thoracopod a dactylopodite. dactylethra n. Gr. daktylethra finger sheath BRYO Stenol-aemata A degenerate feeding zooid closed by a terminal diaphragm or an aborted shortened polymorph. dactylognathite n. Gr. daktylos finger gnathos jaw AR-THRO The distal segment of a maxilliped. dactyloid a. Gr. daktylos finger eidos form Finger-like. dactylopod ite n. Gr. daktylos finger pous foot ARTHRO 1. The terminal segment of a generalized leg or appendage usually claw-like the pretarsus. 2. For Crustacea see dactyl. dactylopore n. Gr. daktylos finger poros passage CNID Hydrozoa An opening in the coenosteum of a milleporinan coral for a dactylozooid. dactylozooid n. Gr. daktylos finger zoon animal CNID Hydrozoa In colonial hydrozoans a hydroid modified for protection and the capture of prey protective polyp zooid or machozooid a hydrocyst a palpon. see tentaculozo-oid gastrozooid. dactylus n. Gr. daktylos finger 1. ARTHRO Insecta A structure of the tarsus. 2. MOLL Cephalopoda see tentacle. dance n. OF. dancer dance ARTHRO Insecta Communicative movements of honeybees usually performed on their combs. daphnid a. Gr. daphne laurel ARTHRO Crustacea Any water flea esp. those in the genus Daphnia . dart n. OF. dard dagger 1. Anything that pierces or wounds. 2. ECHINOD The spiculum. 3. MOLL Gastropoda A sting Online Dictionary of Invertebrate Zoology 273 or dart of certain snails. dart sac MOLL Gastropoda A muscular caecum of the vagina that produces a fine-pointed calcareous shaft that is shot by partners before courtship lodging in the integument and releasing a stimulus for courtship behavior. Darwinism n. C. Darwin English naturalist The theory of species origin through natural selection working on small inherited differences in individuals. dauer larvae nemata A quiescent stage entered by
