apical margin

apical margin
the rear edge of a scale. Also called posterior margin

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • apical margin — (ARTHROPODA: Insecta) The outer margin of the wing; see costal margin, anal margin …   Dictionary of invertebrate zoology

  • apical ligament of the dens — n a fibrous cord between the two alar ligaments that extends from the tip of the dens to the anterior margin of the foramen magnum called also apical dental ligament …   Medical dictionary

  • costal margin — (ARTHROPODA: Insecta) The leading edge of a wing; see anal margin, apical margin …   Dictionary of invertebrate zoology

  • posterior margin — the rear edge of a scale. Also called apical margin …   Dictionary of ichthyology

  • homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction   any of more than 32,000 species of sucking insects, the members of which exhibit considerable… …   Universalium

  • Tagiades gana — Taxobox | name = Immaculate/Large/Suffused Snow Flat status = image width = 240px image caption = regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Lepidoptera familia = Hesperiidae subfamilia = Pyrginae genus = Tagiades species = T …   Wikipedia

  • antepygidial bristle — (ARTHROPODA: Insecta) In Siphonaptera, one or more large bristles on the apical margin of the seventh tergum …   Dictionary of invertebrate zoology

  • protomesal areolets — (ARTHROPODA: Insecta) In Hymenoptera, areolets between the costal cells and the apical margin of the wings …   Dictionary of invertebrate zoology

  • body — 1. The head, neck, trunk, and extremities. The human b., consisting of head (caput), neck (collum), trunk (truncus), and limbs (membra). 2. The material part of a human, as distinguished from the …   Medical dictionary

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary

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