frontal pore

Online Dictionary of Invertebrate Zoology. . 2005.

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  • frontal gland — (ARTHROPODA: Insecta) In Isoptera, a large median gland beneath the integument of the head in certain soldier termites, opening through the fontanelle or frontal pore, which produces secretions …   Dictionary of invertebrate zoology

  • termite — /terr muyt/, n. any of numerous pale colored, soft bodied, chiefly tropical social insects, of the order Isoptera, that feed on wood, some being highly destructive to buildings, furniture, etc. Also called white ant. [1775 85; taken as sing. of… …   Universalium

  • fontanel — n. [F. fontannella, little fountain] (ARTHROPODA: Insecta) In Isoptera, when present, a small circular or slit shaped orifice of the frontal or cephalic gland near the center of the head, through which a liquid is emitted; a frontal pore …   Dictionary of invertebrate zoology

  • 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

  • opening — A gap in or entrance to an organ, tube, or cavity. SEE ALSO: aperture, fossa, ostium, orifice, pore. access o. SYN: access. aortic o. SYN: aortic hiatus …   Medical dictionary

  • Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… …   Wikipedia

  • List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… …   Wikipedia

  • Ciliary muscle — The choroid and iris. (Ciliary muscle is labeled near top.) Latin musculus ciliaris Gray s …   Wikipedia

  • Nankai Trough — The Nankai Trough 南海トラフ (Nankai Torafu?) is a submarine trough located south of Japan s island of Honshū, extending approximately 900 km offshore. In plate tectonics, the Nankai Trough marks a subduction zone that is caused by subduction of… …   Wikipedia

  • climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

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