| pyramidale | Synonym: triquetral bone. Origin: Mod. L. (05 Mar 2000) |
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| pyramidalis | <anatomy, muscle> Origin, crest of pubis; insertion, lower portion of linea alba; action, makes linea alba tense; nerve supply, subcostal. Synonym: musculus pyramidalis, pyramidal muscle. (05 Mar 2000) |
| pyramidally | Like a pyramid. Source: Websters Dictionary (01 Mar 1998) |
| pyramidic | Of or pertaining to a pyramid; having the form of a pyramid; pyramidal. " A pyramidical rock." . "Gold in pyramidic plenty piled." . Pyramid"ically, Pyramild"icalness. Source: Websters Dictionary (01 Mar 1998) |
| pyramidical | Of or pertaining to a pyramid; having the form of a pyramid; pyramidal. " A pyramidical rock." . "Gold in pyramidic plenty piled." . Pyramid"ically, Pyramild"icalness. Source: Websters Dictionary (01 Mar 1998) |
| pyramidion | Origin: NL, from L. Pyramis. See Pyramid. The small pyramid which crowns or completes an obelisk. Source: Websters Dictionary (01 Mar 1998) |
| pyramidoid | A solid resembling a pyramid. Synonym: pyramoid. Origin: Gr, pyramid + -id: cf. F. Pyramidoide. Source: Websters Dictionary (01 Mar 1998) |
| pyramidotomy | Section of pyramidal tracts, in the spinal cord, for the relief of involuntary movements. Origin: G. Pyramis, pyramid, + tome, incision Medullary pyramidotomy, a medullary pyramidal tractotomy. Spinal pyramidotomy, a spinal pyramidal tractotomy. (05 Mar 2000) |
| pyramin | 4-amino-5-hydroxymethyl-2-methylpyrimidine;one of the products resulting from the hydrolysis of thiamin by thiaminase and appearing in the urine; a competitive inhibitor of pyridoxal. Synonym: pyramin, pyramine. (05 Mar 2000) |
| pyramis | A pyramid. Source: Websters Dictionary (01 Mar 1998) |
| pyramis medullae oblongatae | An elongated, white prominence on the ventral surface of the medulla oblongata on either side along the anterior median fissure, corresponding to the pyramidal tract. Synonym: pyramis medullae oblongatae, anterior column of medulla oblongata, anterior pyramid. (05 Mar 2000) |
| pyramis renalis | One of a number of 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: pyramis renalis, malpighian pyramid, medullary pyramid. (05 Mar 2000) |
| pyramis tympani | A conical projection posterior to the vestibular window in the middle ear; it is hollow and contains the stapedius muscle. Synonym: pyramid of tympanum, pyramidal eminence, pyramis tympani. (05 Mar 2000) |
| pyramis vermis | A subdivision of the inferior vermis of the cerebellum between the tuber and the uvula. Synonym: pyramis vermis, cerebellar pyramid. Pyramid of vestibule, the upper triangular extremity of the crista vestibuli. Synonym: pyramis vestibuli. (05 Mar 2000) |
| pyramis vestibuli | pyramid of vestibule |