- pyramid of the medulla
- : either of two large bundles of motor fibers from the cerebral cortex reaching the medulla through the cerebral peduncles and pons and continuous with the pyramidal tracts of the spinal cord
Useful english dictionary. 2012.
pyramid of the medulla
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pyramid — 1. A term applied to a number of anatomic structures having a more or less pyramidal shape. SYN: pyramis [TA]. 2. A term denoting the petrous portion of the temporal bone. [G. pyramis (p. ), a p.] anterior p. SYN … Medical dictionary
Medulla — The innermost part. The spinal medulla, for example, is that part of the spinal cord that is lodged within the vertebral canal. * * * Any soft marrow like structure, especially in the center of a part. SEE ALSO: m. oblongata. SYN: substantia… … Medical dictionary
Pyramid (brainstem) — Brain: Pyramid (brainstem) Medulla oblongata and pons. Anterior surface. (Pyramid visible at center.) … Wikipedia
Medulla oblongata — Brain: Medulla oblongata labeled at bottom left … Wikipedia
Pyramid (disambiguation) — A pyramid is any three dimensional structure where the upper surfaces are triangular and converge at one point. Pyramid may also refer to:* Pyramid (geometry), a conic solid with polygonal base * Egyptian pyramids, the pyramids of Egypt **… … Wikipedia
Pyramid of medulla oblongata — Infobox Brain Name = PAGENAME Latin = pyramis medullae oblongatae GraySubject = 187 GrayPage = 768 Caption = Medulla oblongata and pons. Anterior surface. (Pyramid visible at center.) Caption2 = Section of the medulla oblongata at about the… … Wikipedia
pyramid — I. noun Etymology: Latin pyramid , pyramis, from Greek Date: 1549 1. a. an ancient massive structure found especially in Egypt having typically a square ground plan, outside walls in the form of four triangles that meet in a point at the top, and … New Collegiate Dictionary
pyramid — n. 1) one of the conical masses that make up the medulla of the kidney, extending inwards from a base inside the cortex towards the pelvis of the kidney. 2) one of the elongated bulging areas on the anterior surface of the medulla oblongata in… … The new mediacal dictionary
renal pyramid — ▪ anatomy any of the triangular sections of tissue that constitute the medulla, or inner substance, of the kidney. The pyramids consist mainly of tubules that transport urine from the cortical, or outer, part of the kidney, where urine is… … Universalium
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
