| arched crest | The ridge on the anterior surface of the arytenoid cartilage that separates the triangular from the oblong fovea. Synonym: crista arcuata cartilaginis arytenoideae, arched crest, arcuate crest. (05 Mar 2000) |
|---|---|
| arched root | <botany> Roots produced on the plant stems in a position above the normal position of roots, which serve to brace the plant during and following periods of prolonged inundation with water. (09 Oct 1997) |
| archegonium | <plant biology> The structure on the pteridophyte prothallus that produces the sessile female gametes. Compare: antheridium. (09 Oct 1997) |
| archegony | <biology> Spontaneous generation; abiogenesis. See: Archegonium. Source: Websters Dictionary (01 Mar 1998) |
| archencephala | <zoology> The division that includes man alone. Origin: NL, fr. Gr. Pref. + the brain. Source: Websters Dictionary (01 Mar 1998) |
| archenteric | <biology> Relating to the archenteron; as, archenteric invagination. Source: Websters Dictionary (01 Mar 1998) |
| archenteric canal | Invagination of the blastopore into the notochordal process to form a cavity. See: neurenteric canal. Synonym: notochordal canal. (05 Mar 2000) |
| archenteron | <biology> The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. Origin: Pref. Arch- + Gr. Intestine. Source: Websters Dictionary (01 Mar 1998) |
| archeocerebellum | Those regions of the cerebellar cortex whose predominant afferent fibres arise from the ganglion vestibulare and the vestibular nuclei; structures included under this term are nodulus, flocculus, ventral parts of the uvula and small ventral parts of the lingula. Synonym: archeocerebellum. Origin: vestibulo-+ L. Cerebellum (05 Mar 2000) |
| archeokinetic | Denoting a low and primitive type of motor nerve mechanism, such as is found in the peripheral and the ganglionic nervous systems. Compare: neokinetic, paleokinetic. Origin: G. Archaios, ancient, + kinetikos, relating to movement (05 Mar 2000) |
| archeological | Same as Archaeology, etc. Source: Websters Dictionary (01 Mar 1998) |
| archeology | <study> The science or study of antiquities, especially. Prehistoric antiquities, such as the remains of buildings or monuments of an early epoch, inscriptions, implements, and other relics, written manuscripts, etc. Origin: Gr.; ancient (fr. Beginning) + discourse, to speak. (04 Mar 1998) |
| archer fish | <zoology> A small fish (Toxotes jaculator), of the East Indies; so called from its ejecting drops of water from its mouth at its prey. The name is also applied to Chaetodon rostratus. Source: Websters Dictionary (01 Mar 1998) |
| archeress | A female archer. Source: Websters Dictionary (01 Mar 1998) |
| arches of the foot | See: longitudinal arch of foot, plantar arch. (05 Mar 2000) |
| archetypal |
representing or constituting an original type after which other similar things are patterned; "archetypal patterns"; "she was the prototypal student activist"
Ãâó: wordnet.princeton.edu/perl/webwn
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| archetypical |
archetypal: representing or constituting an original type after which other similar things are patterned; "archetypal patterns"; "she was the prototypal student activist"
Ãâó: wordnet.princeton.edu/perl/webwn
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| archespore |
primitive cell or group of cells from which a mother cell develops
Ãâó: wordnet.princeton.edu/perl/webwn
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| archesporium |
archespore: primitive cell or group of cells from which a mother cell develops
Ãâó: wordnet.princeton.edu/perl/webwn
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| archenteron |
central cavity of the gastrula; becomes the intestinal or digestive cavity
Ãâó: wordnet.princeton.edu/perl/webwn
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| arche | the time prior to 2,500 million years ago |
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| arche | (geology) used of the earliest known rocks |
| arche | the time prior to 2,500 million years ago |
| arche | (architecture) forming or resembling an arch |
| arche | constructed with or in the form of an arch or arches |
| arche | (botany) of or relating to an archegonium |
| arche | (botany) of or relating to an archegonium |
| arche | a female sex organ occurring in mosses, ferns, and most gymnosperms |
| arche | central cavity of the gastrula |
| arche | considered ancient life forms that evolved separately from bacteria and blue-green algae |
| arche | related to or dealing with or devoted to archaeology |
| arche | related to or dealing with or devoted to archaeology |
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