单词 | medullation |
释义 | medullation/mɛdəˈleɪʃn/ /mɪˌdʌlˈeɪʃn/noun 1 Histology and Physiology = myelination. Compare medulla. Now rare. 2 Botany. The presence or development of a medulla in a stele; the condition of having such a medulla. 3The presence of a medulla in a hair or feather; the nature or size of the medulla in hairs; the condition of having medullated hairs; the degree to which the hairs (of an animal, type of wool, etc.) are medullated. OriginLate 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From medulla + -ation. |
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