hilum
名词 n.
英文释义
名词 n.
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The eye of a bean or other seed, or the center of that eye; the mark or scar at the point of attachment of an ovule or seed to its base or support.
— The hilum is very prominent in some species and nearly flat in others.
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The nucleus of a starch grain.
— In central hilum starch grains the grain is laid down around the hilum in the form of concentric layers.
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A depression or fissure through which ducts, nerves, or blood vessels enter and leave a gland or organ.
— [The pancreas] is a hook-shaped gland, about 15 cm long, that lies transversely across the upper abdomen, with the head in the C-shaped curve of the duodenum[…], extending to the left as the body behind the stomach and ending as the tail lying against the hilum of the spleen.
词汇关系
相关词
词源
Learned borrowing from Latin hīlum (“a trifle; a spot on a seed”).
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数据来源: Wiktionary