medulla

英 [mɪ'dʌlə] 美 [mɪ'dʌlə]

• n. 髓质；骨髓；木髓

英英释义

Noun:

1. a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers

2. lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata);

   "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
   

3. the inner part of an organ or structure in plant or animal

例句

用作名词 (n.)

1. There is a central vein in the center of the medulla.
   髓质中央有一大的静脉，称中央静脉。
2. The remaining cortex is congested, as is the medulla.
   髓质和余下的皮质呈充血状。

词汇搭配

• medulla oblongata 延髓
• ovary medulla 卵巢髓质
• renal medulla 肾髓
• medulla of bone 骨髓
• medulla of hair 毛发髓质
• medulla of kidney 肾髓质
• adrenal medulla 肾上腺髓质
• veins of medulla oblongata 延髓静脉
• ovarian medulla 卵巢髓质
• suprarenal medulla 肾上腺髓质
• medulla of lymph gland 淋巴结髓质

近反义词

【近义词】

• myeline myelin的异体字...
• myelin [生化]髓磷脂...
• bulb 球茎
• medulla oblongata 延髓

【反义词】

• cortex 外皮