When viewed under a microscope, the liver is seen as large network of units called hepatic lobules. The hepatic lobule is very small and looks like a ...
Sometimes referred to as the great chemical factory of the body, the liver creates, regulates, and stores a variety of substances used by the gastroin...
While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called th...
Typhoid Mary伤寒带菌者；疾病传播者；坏事传播者在现代用法中，Typhoid Mary常常用来表示不受欢迎的意见、不良情绪或态度的传播者”之类的意思。《牛津英语辞典》词条中收录的有关此种喻义的最早用法可追溯至1913年。在此之前，Mallon的用法一直局限在用于永久隔离（per...
philtrum 人中This term refers to the vertical groove between the bottom of the nose and the upper lip. Interestingly, it comes from the Latin word philt...
MYTH #1: IF YOU CROSS YOUR EYES, THEY'LL STAY THAT WAY.Crossed eyes occur when your eyes don't look the same way at the same time. There are s...
保暖口罩 Cold-weather mask医用外科口罩 Surgical mask活性炭口罩 Activated Carbon mask防污染口罩 Anti-pollution mask时尚口罩 trendy maskN95型口罩 N95 mask耳戴式口罩 earloop mask头戴式口罩 h...
Illnesses that use the article "a/an"coldcoughcuteye infectionfeverheadachestomachachesore throattoothachesunburnIllnesses that use the arti...
What are coronaviruses?Coronaviruses were discovered in the 1960s. They are a group of viruses that cause diseases in mammals and birds. In humans, co...
The common coldThe common coldThe common cold, also known simply as the cold, is a viral infectious disease of the upper respiratory tract that primar...