Medical Dictionary


noun \ˈhed\

Medical Definition of HEAD

:  the division of the human body that contains the brain, the eyes, the ears, the nose, and the mouth; also :  the corresponding anterior division of the body of various animals including all vertebrates, most arthropods, and many mollusks and worms
:  a projection or extremity especially of an anatomical part: as a :  the rounded proximal end of a long bone (as the humerus) b :  the end of a muscle nearest the origin c :  the anterior end of an invertebrate :  scolex
:  the part of a boil, pimple, or abscess at which it is likely to break
:  the end of a lipid molecule that consists of a polar group and is regarded as being opposite to the tail
head adjective
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