英语词汇“medullary sheaths”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

medullary sheaths

释义

medulla /me-dulˈə/

noun (pl medullˈae /-ē/ or medullˈas)

ORIGIN: L medulla marrow

medullar or medullˈary adjective

Consisting of, or resembling, marrow or pith

medullˈate adjective

Having medulla

medˈullated adjective

Provided with a medullary sheath

medulla oblongāˈta (or /-äˈtə/) noun

That part of the brain that tapers off into the spinal cord

medullary ray noun (botany)

A band of cells (appearing as a ray in cross-section) cutting radially through wood and bast

medullary sheath noun

A thin layer surrounding the pith (botany)
A whitish fatty membrane which surrounds the axons of the central nervous system in vertebrates and acts as an insulating coat (anatomy)

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