plagentation



plagentation defined in 1951 year

plagentation - plagentation;
plagentation - (Bot.). Type of arrangement of placentas in a syn-carpous ovary; (a) parietal; carpels are fused only by their margins, placentas then appearing as internal ridges on ovary wall, e.g. violet; (b) axile; margins of carpels fold inwards, fusing together in centre of ovary to form a single, central placenta. Ovary is divided into as many compartments (loculi) as there are carpels, e.g., lily; (c) free central; placenta arising as a central upgrowth from ovary base, e.g. primrose. (Zool.). Type of arrangement of placenta in mammals.

near plagentation in Knolik


placoid scalehome
letter "P"
start from "PL"
plagiogeotropism

definition of word "plagentation" was readed 937 times

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