medullary
AdjectiveOpen English WordNet
Adjective (3)
- containing or consisting of or resembling bone marrowRelating to bone marrow
- of or relating to the medulla oblongataRelating to medulla
- of or relating to the medulla of any body partRelating to medulla
What does it mean? Question 1 of today’s quiz
Webster's Dictionary (1913)
Origin: L. medullaris, fr. medulla marrow: cf. F. médullaire.
1. Anatomy (a) Pertaining to, consisting of, or resembling, marrow or medulla. (b) Pertaining to the medula oblongata.
2. Botany Filled with spongy pith; pithy.
Medullary groove Anatomy, 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 Botany, the rays of cellular tissue seen in a transverse section of exogenous wood, which pass from the pith to the bark. — Medullary sheath Anatomy, the layer of white semifluid substance (myelin), between the primitive sheath and axis cylinder of a medullated nerve fiber.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54