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单词 hilum
释义

hilum

noun

hi·​lum ˈhī-ləm How to pronounce hilum (audio)
plural hila ˈhī-lə How to pronounce hilum (audio)
1
: a scar on a seed (such as a bean) marking the point of attachment of the ovule
2
: a notch in or opening from a bodily part suggesting the hilum of a bean

Word History

Etymology

New Latin, from Latin, trifle

First Known Use

circa 1753, in the meaning defined at sense 1

Medical Definition

hilum

noun

hi·​lum ˈhī-ləm How to pronounce hilum (audio)
plural hila -lə How to pronounce hilum (audio)
1
: a scar on a seed (as a bean) marking the point of attachment of the ovule
2
: a notch in or opening from a bodily part suggesting the hilum of a bean especially when it is where the blood vessels, nerves, or ducts leave and enter: as
a
: the indented part of a kidney
b
: the depression in the medial surface of a lung that forms the opening through which the bronchus, blood vessels, and nerves pass
c
: a shallow depression in one side of a lymph node through which blood vessels pass and efferent lymphatic vessels emerge
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更新时间:2024/12/23 21:17:56