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DictionarySeeMarcello Malpighirenal pyramid
renal pyramid[′rēn·əl ′pir·ə·məd] (anatomy) Any of the conical masses composing the medullary substance of the kidney. Also known as Malpighian pyramid. renal pyramid
re·nal pyr·a·mid (rē'năl pir'ă-mid) One of several pyramidal masses seen on longitudinal section of the kidney; collectively, they constitute the renal medulla, and contain part of the secreting tubules and the collecting tubules. Synonym(s): malpighian pyramid, medullary pyramid, pyramis renalis. renal pyramidThe inner mass of the kidney consisting of 5 to 11 conical renal pyramids separated by renal columns. The renal pyramids contain the loops of Henle and the collecting ducts. The renal columns contain interlobar arteries and veins. See also: pyramidMalpighi, Marcello, Italian anatomist, histologist, and embryologist, 1628-1694. malpighian bodies - small nodular masses of lymphoid tissue attached to the sides of the smaller arterial branches. Synonym(s): malpighian glands; malpighian nodules; splenic lymph folliclesmalpighian capsule - Synonym(s): glomerular capsulemalpighian cell - a cell of the stratum spinosum of the epidermis.malpighian corpuscles - Synonym(s): renal corpusclemalpighian glands - Synonym(s): malpighian bodiesmalpighian glomerulus - a tuft formed of capillary loops at the beginning of each nephric tubule in the kidney. Synonym(s): malpighian tuftmalpighian layer - Synonym(s): malpighian stratummalpighian nodules - Synonym(s): malpighian bodiesmalpighian pyramid - Synonym(s): renal pyramidmalpighian rete - Synonym(s): malpighian stratummalpighian stigmas - the points of entrance of smaller veins into the larger veins of the spleen.malpighian stratum - the living layer of epidermis comprising the stratum basale, stratum spinosum, and stratum granulosum. Synonym(s): malpighian layer; malpighian retemalpighian tubules - in insects, slender tubular or hairlike excretory structures.malpighian tuft - Synonym(s): malpighian glomerulusmalpighian vesicles - the minute air-filled vesicles on the surface of an expanded lung.FinancialSeepyramid |