protomerite


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pro·tom·e·rite

(prō-tom'ĕ-rīt, prō'tō-mēr'īt),
The second segment (lacking a nucleus) of a septate gregarine, between the epimerite and the deutomerite; it becomes the anterior end of the gamont after it has broken free of its host cell, leaving the epimerite embedded (usually in the gut wall of an infected invertebrate).
Synonym(s): primerite
[proto- + G. meros, part]