geniculate

geniculate
Bent; having upper part of filament forming more or less obtuse angle with lower, e.g., antennule [McLaughlin, 1980].
Knee-like, or displaying an acute angle between two segments. As in geniculate segments 2 and 3 of the antennula [Wilson, 1989].
(Order Isopoda):
Bent at an abrupt angle, as in the body of many arcturid isopods [Kensley and Schotte, 1989].
(Subclass Copepoda):
Used of male antennules with a specialised articulation with restricted adduction/abduction movement, dividing the limb into proximal and distal regions; also used of armature elements with a well-defined articulating zone [Boxshall and Halsey, 2004].

Crustacea glossary. . 2011.

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  • Geniculate — Ge*nic u*late, a. [L. geniculatus, fr. geniculum little knee, knot or joint, dim. of genu knee. See {Knee}.] Bent abruptly at an angle, like the knee when bent; as, a geniculate stem; a geniculate ganglion; a geniculate twin crystal. [1913… …   The Collaborative International Dictionary of English

  • Geniculate — Ge*nic u*late, v. t. [imp. & p. p. {Geniculated}; p. pr. & vb. n. {Geniculating}.] To form joints or knots on. [R.] Cockeram. [1913 Webster] …   The Collaborative International Dictionary of English

  • geniculate — (adj.) having knots or joints, 1660s, from L. geniculatus, from geniculum little knee, knot on the stalk of a plant, dim. of genu knee (see KNEE (Cf. knee)) …   Etymology dictionary

  • geniculate — [jə nik′yoolāt΄idjə nik′yo͞o lit, jə nik′yo͞olāt΄] adj. [L geniculatus < geniculum, dim. of genu, KNEE] 1. having a kneelike joint 2. bent sharply: Also geniculated [jə nik′yoolāt΄id] …   English World dictionary

  • geniculate — 1. Bent like a knee. SYN: geniculated. 2. Referring to the geniculum of the facial nerve, denoting the ganglion there present. 3. Denoting the lateral or medial g. body. [L. geniculo, pp. atus, to bend the knee, fr. genu …   Medical dictionary

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  • geniculate ganglion — n a small reddish ganglion consisting of sensory and sympathetic nerve cells located at the sharp backward bend of the facial nerve * * * g. geniculi nervi facialis …   Medical dictionary

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