2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
2. (Bot.) Filled with spongy pith; pithy.
{Medullary groove} (Anat.), a groove, in the epiblast of the
vertebrate blastoderm, the edges of which unite, making a
tube (the medullary canal) from which the brain and spinal
cord are developed.
{Medullary rays} (Bot.), the rays of cellular tissue seen in
a transverse section of exogenous wood, which pass from
the pith to the bark.
{Medullary sheath} (Anat.), the layer of white semifluid
substance (myelin), between the primitive sheath and axis
cylinder of a medullated nerve fiber.
From WordNet r 1.6 [wn]:
medullary
adj 1: containing or consisting of or resembling bone marrow
2: of or relating to the medulla oblongata
3: of or relating to the medulla of any body part
more about medullary
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