epimere

from The Century Dictionary.

• noun In embryology, a portion of the mesodermal wall of the epicœloma in the vertebrate embryo. See cut under epicœloma.
• noun In zoology, same as epimeron.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Biol.) One of the segments of the transverse axis, or the so called homonymous parts; as, for example, one of the several segments of the extremities in vertebrates, or one of the similar segments in plants, such as the segments of a segmented leaf.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun biology One of the segments of the transverse axis, or the so-called homonymous parts; as, for example, one of the several segments of the extremities in vertebrates, or one of the similar segments in plants, as in a segmented leaf.