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单词 liver
释义

liver

1 of 2

noun (1)

liv·​er ˈli-vər How to pronounce liver (audio)
1
a
: a large very vascular glandular organ of vertebrates that secretes bile and causes important changes in many of the substances contained in the blood (as by converting sugars into glycogen which it stores up until required and by forming urea)
b
: any of various large compound glands associated with the digestive tract of invertebrate animals and probably concerned with the secretion of digestive enzymes
2
archaic : a determinant of the quality or temper of a man
3
: the liver of an animal (such as a calf or chicken) eaten as food
4
: a grayish reddish brown

called also liver brown, liver maroon

liver

2 of 2

noun (2)

liv·​er ˈli-vər How to pronounce liver (audio)
1
: one that lives especially in a specified way
a fast liver
2
: resident

Word History

Etymology

Noun (1)

Middle English, from Old English lifer; akin to Old High German lebra liver

First Known Use

Noun (1)

before the 12th century, in the meaning defined at sense 1a

Noun (2)

14th century, in the meaning defined at sense 1

Kids Definition

liver

noun

liv·​er ˈli-vər How to pronounce liver (audio)
: a large gland in the body that has a rich blood supply, secretes bile, and helps in storing some nutrients and in forming some body wastes

Medical Definition

liver

noun

liv·​er ˈliv-ər How to pronounce liver (audio)
1
a
: a large very vascular glandular organ of vertebrates that secretes bile and causes important changes in many of the substances contained in the blood which passes through it (as by converting sugars into glycogen which it stores up until required and by forming urea), that in humans is the largest gland in the body, weighs from 40 to 60 ounces (1100 to 1700 grams), is a dark red color, and occupies the upper right portion of the abdominal cavity immediately below the diaphragm, that is divided by fissures into five lobes, and that receives blood both from the hepatic artery and the portal vein and returns it to the systemic circulation by the hepatic veins
b
: any of various large compound glands associated with the digestive tract of invertebrate animals and probably concerned with the secretion of digestive enzymes
2
: the liver of an animal (as a calf or pig) eaten as food or used as a source of pharmaceutical products (as liver extract)
3
: disease or disorder of the liver : biliousness
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更新时间:2024/11/13 19:26:38