- medullary substance
- 1. substantia alba. 2. the soft, marrowlike substance of the interior of an organ; see entries under medulla.
Medical dictionary. 2011.
medullary substance
Look at other dictionaries:
Medullary — Med ul*la*ry, a. [L. medullaris, fr. medulla marrow: cf. F. m[ e]dullaire.] 1. (Anat.) (a) Pertaining to, consisting of, or resembling, marrow or medulla. (b) Pertaining to the medula oblongata. [1913 Webster] 2. (Bot.) Filled with spongy pith;… … The Collaborative International Dictionary of English
Medullary groove — Medullary Med ul*la*ry, a. [L. medullaris, fr. medulla marrow: cf. F. m[ e]dullaire.] 1. (Anat.) (a) Pertaining to, consisting of, or resembling, marrow or medulla. (b) Pertaining to the medula oblongata. [1913 Webster] 2. (Bot.) Filled with… … The Collaborative International Dictionary of English
Medullary rays — Medullary Med ul*la*ry, a. [L. medullaris, fr. medulla marrow: cf. F. m[ e]dullaire.] 1. (Anat.) (a) Pertaining to, consisting of, or resembling, marrow or medulla. (b) Pertaining to the medula oblongata. [1913 Webster] 2. (Bot.) Filled with… … The Collaborative International Dictionary of English
Medullary sheath — Medullary Med ul*la*ry, a. [L. medullaris, fr. medulla marrow: cf. F. m[ e]dullaire.] 1. (Anat.) (a) Pertaining to, consisting of, or resembling, marrow or medulla. (b) Pertaining to the medula oblongata. [1913 Webster] 2. (Bot.) Filled with… … The Collaborative International Dictionary of English
medullary ray — n. 1. Anat. extensions of the kidney tubules into the cortical substance 2. Bot. strands of parenchymal tissue extending from the pith to the bark and separating the vascular bundles in the stems of certain plants (dicotyledons and gymnosperms) … English World dictionary
substance — Stuff; material. SYN: substantia [TA], matter. [L. substantia, essence, material, fr. sub sto, to stand under, be present] alpha s. SYN: reticular s. (1). anterior perforated s. [TA] a region at the base … Medical dictionary
medullary sheath — noun a layer of myelin encasing (and insulating) the axons of medullated nerve fibers • Syn: ↑myelin sheath • Hypernyms: ↑sheath, ↑case • Part Holonyms: ↑medullated nerve fiber, ↑ … Useful english dictionary
substance of schwann — ˈshw]än, ˈshf], ˈshv] Usage: usually capitalized 2d S Etymology: after Theodor Schwann died 1882 German anatomist : medullary sheath … Useful english dictionary
Inferior medullary velum — Infobox Brain Name = Inferior medullary velum Latin = velum medullare inferius GraySubject = GrayPage = 794 Caption = Scheme of roof of fourth ventricle. The arrow is in the foramen of Majendie. 1: inferior medullary velum 2: Choroid plexus 3:… … Wikipedia
Superior medullary velum — Infobox Brain Name = PAGENAME Latin = velum medullare superius GraySubject = 187 GrayPage = 793 Caption = Coronal section of the pons, at its upper part. (Ant. med. velum labeled at center top.) Caption2 = Under surface of the cerebellum. (Ant.… … Wikipedia
