Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

438Maggenti and Gardnertooth plus several kinds of lateral and marginal teeth, inretrograde oblique position, often in bristlelike fascicles.hive aura/odor see nest odorhive n. [A.S. hyf,] (ARTHRO: Insecta) A man-made nest forhoneybees.holandric a. [Gr. holos, whole; aner, male] 1. Describing sexdeterminategenes that are manifest only in the male sex.2. (ANN: Oligochaeta) Classical term that originally meantthe placement of testes in segments x-xi.holandry n. [Gr. holos, whole; aner, male] 1. The condition ofbearing the normal number of testes. 2. (ANN: Oligochaeta)Earthworms with two pair of testes, one pair in segment xand another pair in segment xi. see proandry, metandry.holarctic region A zoogeographical region encompassing thepalaeartic and nearctic regions.holaspis larva (ARTHRO: Trilobita) Final larval stage in whichthe general adult structures are present and with succeedingmolts minor changes and increase of size. see protaspisand meraspis larva.holidic a. [Gr. holos, whole; -idios, distinct] Said of a mediumthat has exactly known chemical constituents other thanpurified inert materials before compounding; a defined medium.holism n. [Gr. holos, whole; -ismos, denoting condition] 1. Thephilosophic principle that the determining factors in nature,especially evolution, are wholes, such as organisms and notthe sum of their parts. 2. Accentuating the organic functionalrelation between parts and wholes. holistic a.holobenthic a. [Gr. holos, whole; benthos, sea-bottom] Refersto animals living their whole life on or near sea-bottom.holoblastic division The type of cleavage in which the entireegg cell is divided.holochroal a. [Gr. holos, whole; chroa, body surface] (AR-THRO) Refers to a compound eye with narrow facets andpolygonal lenses, as in most crustacean and insect eyes.see schizochroal.holocoen n. [Gr. holos, whole; koinos, common] The whole