1. A segment of an animal body formed by planes cutting the axis of the body at right angles. 2. One of the symmetrical parts of a bilateral organism. 3. The right or left half of the body. [anti- + G. meros, a part]
* * *
an·ti·mere 'ant-i-.mi(ə)r n either of a pair of opposite corresponding symmetrical bodily parts (as the halves of a bilaterally symmetrical animal)
* * *
an·ti·mere (anґtĭ-mēr) [anti- + -mere] one of the opposite corresponding parts of an organism which are symmetrical with respect to the longitudinal axis of its body; cf. metamere.Medical dictionary. 2011.