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Medical Dictionary

head

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noun \ˈhed\

Medical Definition of head

  1. 1:  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

  2. 2:  headache

  3. 3:  a projection or extremity especially of an anatomical part: asa:  the rounded proximal end of a long bone (as the humerus)b:  the end of a muscle nearest the originc:  the anterior end of an invertebrate :  scolex

  4. 4:  the part of a boil, pimple, or abscess at which it is likely to break

  5. 5:  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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