English-Thai Dictionary
medullary
เกี่ยวกับ สมอง ส่วน ใน (medulla oblongata kiao-kab-sa-mong-suan-nai
Webster's 1913 Dictionary
MEDULLARY
Med "ul *la *ry, a. Etym: [L. medullaris, fr. medulla marrow: cf. F.médullaire.]
1. (Anat. ) (a ) Pertaining to, consisting of, or resembling, marrow or medulla. (b ) Pertaining to the medula oblongata.
2. (Bot. )
Defn: 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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