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actinal
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ACTINAL Definition & Meaning - Merriam-Webster
The meaning of ACTINAL is belonging to the part of a radiate animal from which the tentacles or arms radiate and where the mouth is situated —often used as ...
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ACTINAL Definition & Meaning - Dictionary.com
pertaining to the oral area from which the arms or tentacles radiate. actinal. / ˈæktɪnəl, ækˈtaɪnəl /. adjective. of or denoting the oral part of a radiate ...
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actinal, adj. meanings, etymology and more | Oxford English Dictionary
The earliest known use of the adjective actinal is in the 1850s. OED's earliest evidence for actinal is from 1857, in the writing of Louis Agassiz, zoologist ...
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actinal
actinal, a. Zool. (ækˈtaɪnəl, ˈæktɪnəl) [f. Gr. ἀκτίς, ἀκτῖν-α ray + -al1.] Pertaining to that part or surface of a radiate animal which contains the mouth and surrounding organs, as the lower side of a starfish; a term introduced by L. Agassiz in connexion with his view that the body of a radiate a...
Oxford English Dictionary
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actinal - Wiktionary, the free dictionary
actinal. (zoology) Pertaining to the side or surface around the mouth in an animal that has radial symmetry such as a starfish.
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en.wiktionary.org
Actinal - Definition, Meaning & Synonyms - Vocabulary.com
(of radiate organisms) located on the surface or end on which the mouth is situated.
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www.vocabulary.com
Pedicellaria
Depending on the species, pedicellariae may be surrounding the spines, on the surface of the animal's body, in pits on the abactinal, marginal, or actinal
wikipedia.org
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ACTINAL definition in American English - Collins Dictionary
of or denoting the oral part of a radiate animal, such as a jellyfish, sea anemone, or sponge, from which the rays, tentacles, or arms grow.
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www.collinsdictionary.com
Actonel: Uses, Dosage & Side Effects Guide - Drugs.com
Actonel is a bisphosphonate medicine that alters bone formation and breakdown in the body. This can slow bone loss and may help prevent bone fractures.
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Actinal Definition & Meaning | YourDictionary
Of, relating to, or located on the part of a radially symmetric animal from which the tentacles radiate or the side where the oral area is found.
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www.yourdictionary.com
actinal - Dictionary Checker - Scrabble Word Finder
Meaning of actinal. 1 definition found From WordNet (r) 3.0 (2006) [wn]: actinal adj 1: (of radiate organisms) located on the surface or end on which the ...
scrabblewordfinder.org
scrabblewordfinder.org
abactinal
abactinal, a. Zool. (ˌæbækˈtaɪnəl, ˌæbˈæktɪnəl) [f. L. ab away from + actinal.] Remote from the actinal area; pertaining to that part of the surface of a radiated animal which is opposite to the mouth, e.g. the apex of a sea-urchin, or upper surface of a star-fish. See actinal.1857 L. Agassiz Contri...
Oxford English Dictionary
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actinomere
actinomere Zool. (ækˈtɪnəmɪə(r)) [f. actino- + µέρ-ος part.] A portion of the surface of a radiated animal cut off by any two meridional lines reaching from pole to pole. See actinal.1869 Nicholson Zool. 111 Eight meridional bands, or ‘ctenophores,’ bearing the comb-like fringes, or characteristic o...
Oxford English Dictionary
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Heliaster microbrachius
The actinal surface is whitish, yellowish, or brownish, with pedicels much darker than spines.
wikipedia.org
en.wikipedia.org
diactine
diactine, a. (and n.) Zool. (daɪˈæktɪn) [f. di-2 + actine 2.] Of a monaxon sponge spicule: having two rays, growing in both directions. Also as n., a spicule of this type. Hence diˈactinal a.1888 Sollas in Challenger Rep. XXV. p. liii, Diactine (diactina).—A monaxon in which growth proceeds in both ...
Oxford English Dictionary
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