Medical Dictionary

tail

noun, often attrib \ˈtā(ə)l\

Medical Definition of TAIL

1
:  the rear end or a process or prolongation of the rear end of the body of an animal
2
:  one end of a molecule regarded as opposite to the head; especially :  the end of a lipid molecule that consists of a nonpolar hydrocarbon chain and is opposite to the polar group <most surface-active agents have a long hydrophobic tail attached to a polar head—R. E. Kirk & D. F. Othmer>
3
:  any of various parts of bodily structures that are terminal: as a :  the distal tendon of a muscle b :  the slender left end of the human pancreas c :  the common convoluted tube that forms the lower part of the epididymis
4
:  the motile part of a sperm that extends from the middle piece to the end and comprises the flagellum
5
:  a thin protein tube which forms part of the coat of some bacteriophages and through which DNA is injected into a cell
tailed \ˈtā(ə)ld\ adjective
tail·less \ˈtā(ə)l-les\ adjective

Illustration of TAIL

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2 ENTRIES FOUND:
May 24, 2015
erudite Hear it
learned or pedantic
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