Difference between revisions of "arm"
From ZooTerms (Dictionary of Invertebrate Zoology)
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|definition=1. Anything resembling or corresponding to an arm. | |definition=1. Anything resembling or corresponding to an arm. | ||
| − | 2. ([[Echinodermata]]) <i>a.</i> In Asteroidea, the radial extension of the body surrounding the axis; the ambulacra. <i>b.</i> In Crinoidea, the radial evagination of the body extending from the theca; undivided distal branches. | + | 2. ([[Echinodermata]]) <i>a.</i> In [[Asteroidea]], the [[radial]] extension of the body surrounding the [[axis]]; the ambulacra. <i>b.</i> In [[Crinoidea]], the [[radial]] evagination of the body extending from the [[theca]]; undivided [[distal]] branches. |
| − | 3. ([[Echiura]]) The forked section of the proboscis. | + | 3. ([[Echiura]]) The forked [[section]] of the [[proboscis]]. |
| − | 4. ([[Mollusca]]: Cephalopoda) <i>a.</i> In squids and cuttlefish, eight of the ten short and heavy appendages around the head, the other two larger dorsal appendages being tentacles. <i>b.</i> The tentacles of an octopod. | + | 4. ([[Mollusca]]: [[Cephalopoda]]) <i>a.</i> In squids and cuttlefish, eight of the ten short and heavy appendages around the [[head]], the other two larger [[dorsal]] appendages being tentacles. <i>b.</i> The tentacles of an [[octopod]]. |
| + | }} | ||
[[Category:Disambiguation page necessary]] | [[Category:Disambiguation page necessary]] | ||
| + | {{Concept scheme relation | ||
| + | |scheme=Dictionary of Invertebrate Zoology | ||
}} | }} | ||
Revision as of 23:39, 13 September 2013
arm (noun; Anglo-Saxon arm, forelimb): 1. Anything resembling or corresponding to an arm.2. (Echinodermata) a. In Asteroidea, the radial extension of the body surrounding the axis; the ambulacra. b. In Crinoidea, the radial evagination of the body extending from the theca; undivided distal branches.
3. (Echiura) The forked section of the proboscis.
4. (Mollusca: Cephalopoda) a. In squids and cuttlefish, eight of the ten short and heavy appendages around the head, the other two larger dorsal appendages being tentacles. b. The tentacles of an octopod.
