epimorphosis

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epimorphosis

 [ep″ĭ-mor-fo´sis]
the regeneration of a piece of an organism by proliferation at the cut surface. adj., adj epimor´phic.

ep·i·mor·pho·sis

(ep'i-mōr-fō'sis),
Regeneration of a part of an organism by growth at the cut surface.
[epi- + G. morphē, shape]

ep·i·mor·pho·sis

(ep'i-mōr-fō'sis)
Regeneration of a part of an organism by growth at the cut surface.
[epi- + G. morphē, shape]
References in periodicals archive ?
A point (f: A [right arrow] B, s: B [right arrow] A) in a pointed category C is said to be a strong point if the pair (k, s), where k is a kernel of f, is jointly strongly epimorphic. Strong points were considered in [31], under the name of regular points, and independently in [7], under the name of strongly split epimorphisms.
the pair ([[pi].sub.2], s) is jointly strongly epimorphic. Thanks to this fact, the definition of S-protomodular category can be extended to the non-pointed case, by simply replacing the notion of strong point by the property above (see [8, Definition 4.3]).
Genetic evidence for shared mechanisms of epimorphic regeneration in zebrafish.
We have an epimorphism l(X) [??] l(X) [??] A in Sh(C, J); we shall show that its coreflection (B [right arrow] A, say) in D/ A is not epimorphic, by showing that the point x = [p.sub.1]l([alpha]) = [p.sub.2]l([alpha]) of A does not factor through it.
Most specimens show orthoclase crystals with etched, corroded faces, while extreme alteration and replacement of orthoclase is evident in other specimens showing epimorphic molds, some partially or wholly replaced by secondary minerals such as quartz (see pseudomorphs).
Both lepidotrichia and actinotrichia are formed during this regenerative process known as epimorphic regeneration, a process involving the presence of a proliferative mass of pluripotent, progenitorial cells denominated the blastema, and the reconstitution of the tissue complex surrounding multiple cell types (Akimenko et al., 2003).
He recorded numerous specimens of green pyromorphite with cerussite and galena from the Silver Rake mine, 45 specimens of smithsonite, including fine botryoidal yellow specimens from Talargoch, smithsonite pseudomorphs after calcite, and epimorphic green smithsonite on purple cubic fluorite.
Epimorphic versus morphalactic mechanisms in arm regeneration of crinoids and asteroids: pattern of cell proliferation and lineage.
Most regenerative processes in echinoderms, however, appear to involve a combination of morphallactic and epimorphic mechanisms.