Oligopod larva see campodeiform larva

oligopyrene a. [Gr. oligos, few; pyren, stone of a fruit] With reduced number of functional spermatozoa. see apyrene, eupyrene.

oligosaprobic a. [Gr. oligos, few; sapros, putrid] Describing a body of water with slow organic matter decomposition and high oxygen content.

oligotaxy n. [Gr. oligos, few; taxis, arrangement] Weak devel opment of secondarily formed organs (usually not numerous).

oligothermic a. [Gr. oligos, few; thermos, heat] Having a tolerance for low temperatures.

oligotokous a. [Gr. oligos, few; tokos, offspring] Having a small number of young.

oligotrichy n. [Gr. oligos, few; trichos, hair] Few, weakly developed setae.

oligotrophic a. [Gr. oligos, few; trophe, food] Pertaining to freshwater bodies poor in plant nutrients and unproductive.

oligotropic a. [Gr. oligos, few; tropikos, turning] (ARTHRO: In-secta) Visiting only a few kinds of flowers for nectar; oligo-lectic. see monotropic, polytropic.

oligoxenous a. [Gr. oligos, few; xenos, host] Said of certain parasites adjusted to live in a limited number of hosts. oli-goxeny n.

oligozoic a. [Gr. oligos, few; zoon, animal] Having a few species or numbers of animals in a particular habitat.

olivaceous a. [L. oliva, olive] Resembling or having the color of olive green.

oliviform a. [L. oliva, olive; forma, shape] Oval; resembling an olive in shape.

olynthus n. [Gr. olynthus, unripening fig] (PORIF) In calcareous forms, a post-settlement stage; in asconoid forms, remains as adult form.

omega-ramule (ECHINOD: Crinoidea) A branchlet issuing from the terminal axial of the main-axil.

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