MEDULLARY • E-FREE TRANSLATION.COM • Definition of Medullary

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adjective

Medullary adj.

(Anat.)

(a)

Pertaining to, consisting of, or resembling, marrow or medulla.

(b)

Pertaining to the medula oblongata.

(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.

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Etymology of 'Medullary'

Collaborative International Dictionary of English 0.48

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"Medullary" Quotes from Famous Books

... vessels form a somewhat heterogeneous group. The idea suggests itself that we have in all three structures to deal with real tubes filled with more or less movable contents. This view is, however, inadequate, since we cannot regard the blood as analogous to the medullary substance of the nerve, or contractile substance of ...

— The World's Greatest Books - Volume 15 - Science • Various

Words linked to "Medullary" : medullary sheath, medulla, marrow, medullary ray