extrazooidal
adj. [L. extra, outside; Gr. zoon, animal]
(BRYOZOA)
A colony structure, protective or supportive in function, that remains outside zooidal boundries.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • astogeny — n. [Gr. asty, town; genos, descent] (BRYOZOA) The development of a colony through a sequence of asexual generations of zooids with any extrazooidal parts …   Dictionary of invertebrate zoology

  • brood chamber — 1. (ARTHROPODA: Crustacea) a. In Cladocera, a dorsal space between the trunk and enveloping carapace containing developing eggs and newly hatched young. b. In Peracarida, a space arising from the coxae of the thoracic limbs, forming a marsupium… …   Dictionary of invertebrate zoology

  • colony — n. [L. colonia, farm] 1. A group of individuals of the same species living in close association with each other. 2. (BRYOZOA) A morphological and functional unit comprised of one or more kinds of physically connected zooids, multizooidal parts… …   Dictionary of invertebrate zoology

  • cystopore — n. [Gr. kystis, bladder; poros, pore] (BRYOZOA) Extrazooidal skeletal structures composed of adjacent and superimposed vesicles …   Dictionary of invertebrate zoology

  • hypostegal epithelium — (BRYOZOA: Stenolaemata) In free walled forms, epithelium that lays down extrazooidal skeleton …   Dictionary of invertebrate zoology

  • inner epithelium — (BRYOZOA: Stenolaemata) In free walled forms, an epithelium that secretes the skeleton, including both zooidal skeletal walls and hypostegal extrazooidal skeleton …   Dictionary of invertebrate zoology

  • interior wall — (BRYOZOA) Any body wall that partitions the body cavity into zooids, parts of zooids or extrazooidal parts …   Dictionary of invertebrate zoology

  • macula — n.; pl. maculae [L. macula, spot] 1. A colored spot of rather large size. 2. A spot level with surrounding surface. 3. (BRYOZOA: Stenolaemata) Prominences, and less commonly flat or depressed areas on colony surfaces regularly spaced among… …   Dictionary of invertebrate zoology

  • stereom(e) — n. [Gr. stereos, solid] 1. The rigid material of the invertebrate skeleton. 2. (BRYOZOA: Stenolaemata) The extrazooidal skeletal deposits, additions to structural skeleton, or to the vesicle roof skeleton …   Dictionary of invertebrate zoology

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