the branch of science that is concerned with the physical structure of humans, animals, or plants
解剖学
(anatomy) the clear elastic part of the eye that concentrates light in order for things to be seen clearly
晶状体(解剖学)
(anatomy) the small round black area in the center of the eye, through which light enters
瞳孔
any of the temporary teeth in young children that falls out and is later replaced with a permanent one
乳牙
an organ in the body that produces certain chemical substances to be used in the body or to be discharged into the surroundings
腺
the liquid produced in the mouth to make chewing and swallowing easier and to prepare food for digestion
唾液
a thick slimy substance produced by mucous membranes, inside the nose or the mouth, to lubricate and protect them
胶
a body hormone produced in case of anger, fear, or excitement that makes the heart beat faster and the body react quicker
肾上腺素
a substance that all living organisms produce that brings about a chemical reaction without being altered itself
酶
the round dark area on a person's chest, which from female ones babies can drink milk
乳头
the elevated or empty part in the middle of the stomach, made by cutting the umbilical cord just after birth
脐
either of the two bones, on each side of the body, forming a large portion of the pelvis
胯骨
the place where the legs join the front part of the body, including the region of the sex organs
腹股沟
either of the two organs in women or female animals that produce eggs for reproduction
子房
(of a cell, gland, or organ) to produce and release a liquid substance in the body
释放出液体状物质
a thickened or dried mass of blood that if formed in a blood vessel may impede blood circulation
血块
a gland in the male body that produces fluid for semen and surrounds the urethra, aiding in urine control
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