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, pl.


(in'vō-lū'krŭm, -loo'kră),
1. An enveloping membrane, for example, a sheath or sac.
2. The sheath of new bone that forms around a sequestrum.
Synonym(s): involucre
[L. a wrapper, fr. in-volvo, to roll up]
Farlex Partner Medical Dictionary © Farlex 2012


, involucrum (ĭn′vō-lū″kĕr) (ĭn″vō-lū′krŭm) [″ + volvere, to wrap]
1. A sheath or covering.
2. The covering of newly formed bone enveloping the sequestrum in infection of the bone.
Medical Dictionary, © 2009 Farlex and Partners


  1. a calyx-like structure formed by bracts below the base of a condensed INFLORESCENCE.
  2. a growth of the tissue of the thallus in liverworts (see HEPATICA that covers and protects the ARCHEGONIUM.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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References in periodicals archive ?
involucrate by capillary zone electrophoresis with 4-methylumbelliferone as internal standard.
involucrate extracts was performed and the contents of the five analytes were shown in Table-3.
involucrate sample were purchased from the local drugstore in Dezhou.
involucrate. The separation of the five flavonoids was achieved successfully within 8 min in the 20 mmol L-1 borax buffer (pH 9.2), 20 kV applied voltage and 8 mmol L-1 (Beta)-CD.
[28], also studied the effects of hypochlorite-oxidation on the physicochemical properties of starch obtained from tacca involucrate and observed that the oxidation produces starch of whiter colour and optically clearer mucilage.
[9.] Louis MN, Chandra S and PA William Structural, physicochemical and rheological characterization of Tacca involucrate starch.
[12.] Zaku SG, Aguzue OC, Thomas SA and JT Barminas Studies on the functional properties and the nutritive values of amura plant starch (Tacca involucrate) a wild tropical plant.
[27.] Ofoefule SI, Osuji AC and O Okorie Effects of physical and chemical modifications on the disintegrant and dissolution properties of tacca involucrate starch.