Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 205gochaeta) The two parts of the nerve collar surrounding theesophagus and linking the ventral nerve cord with thecerebral ganglia.circumscissile a. [L. circum, around; scindere, to cut] Splittingalong a circular line, as in hatching.circumsepted a. [L. circum, around; septum, partition] (AR-THRO: Insecta) Pertaining to a wing being encircled by avein.circumversion n. [L. circum, around; vertere, to turn] (AR-THRO: Insecta) In Diptera, the rotation of the postabdomenduring imaginal development.circumvolution n. [L. circum, around; volvere, to turn around]Around an axis or center; a whorl; rotation; revolution.cirral ossicles (ECHINOD: Crinoidea) Pertaining to the smallossicles of a cirrus of sea lilies.cirrate a. [L. cirrus, curl] Having curls or cirri.cirrate antenna (ARTHRO: Insecta) An antenna with very longcurved lateral branches, with or without fringes of hair; apectinate antenna. see plumose.cirri pl. of cirruscirriferous a. [L. cirrus, curl; ferre, to bear] Bearing a curl ortendril.cirrophore n. [L. cirrus, curl; Gr. phorein, to bear] (ANN: Polychaeta)The basal section of a cirrus.cirrose, cirrous a. [L. cirrus, curl] Bearing tendrils or cirri.cirrostyle n. [L. cirrus, curl; Gr. stylos, pillar] (ANN: Polychaeta)The distal section of a cirrus.cirrus n.; pl. cirri [L. cirrus, curl] 1. Any slender, usually flexiblestructure or appendage. 2. Has been used for hair onappendages of insects and male copulatory organs in variousinvertebrates. 3. (ANN: Polychaeta) Small, tentacle-likeprotuberances on the parapodia, peristomium and pygidium.4. (ARTHRO: Crustacea) In barnacles, a thoracicmultiarticulate appendage, usually flattened laterally andcurled anteriorly, with food gathering function. 5. (ECHI-NOD: Crinoidea) The aboral ring of unbranched jointed appendages,curved and tapered at the end that aid in fas-