| acanthor | The spindle-shaped embryo, with rostellar hooks and body spines, formed within the egg shell of Acanthocephala; this stage burrows into the body cavity of its first intermediate host, usually a crustacean in aquatic cycles, or insects in terrestrial cycles. Origin: G. Akantha, thorn or spine (05 Mar 2000) |
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| acanthorrhexis | Rupture of the intercellular bridges of the prickle cell layer of the epidermis, as in contact-type dermatitis. See: spongiosis. Origin: acantho + G. Rhexis, rupture (05 Mar 2000) |