Pellions see rosettes

pellucid a. [L. per, through; lucere, to shine] Transparent or clear; not colored.

pelma n. [Gr. pelma, sole] (ECHINOD: Crinoidea) The stalk and holdfast beneath the crown.

peloderan a. [Gr. pella, cup, bowl; deros, skin] (NEMATA) Pertaining to caudal alae that meet at the male tail tip. see leptoderan.

pelopsiform a. [Gr. pelops, genus of orbatid mites; L. forma, shape] (ARTHRO: Chelicerata) In Acari, having the form of the genus Pelops.

peltate a. [Gr. pelte, shield] Shield-shaped; escutcheon. pelta-tion n.

peltidium n. [Gr. pelte, shield] (ARTHRO: Chelicerata) In acari, the prodorsal shield. see schizopeltid.

peltogonopod n. [Gr. pelte, shield; gone, seed; pous, foot] (ARTHRO: Diplopoda) Accessory gonopods; often plate-like shields of the gonopods.

pen n. [L. penna, feather] (MOLL: Cephalopoda) In Teuthoidea, an internal shell that may be slender, thin, delicate, horny or lanceolate. see gladius.

pencil n. [L. dim. penis, tail] 1. A brush of hair or bristles. see brushes. 2. (ARTHRO: Insecta) In Diptera, sensory hair on the distal part of the antenna.

pendent a. [L. pendere, to hang] Hanging; suspended from above. pendulous a.

penellipse n. [L. paene, almost; Gr. elleipsis, leaving out] (ARTHRO: Insecta) In larvae, a series of crochets usually more than a semicircle and less than a complete circle. see lateral penellipse, mesal penellipse.

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