isthmiate a. [Gr. isthmos, neck] Connected by an isthmus-like part.
isthmus n. [L. fr. Gr. isthmos, neck, narrow place] (MOLL: Bi-valvia) Part of the mantle that secretes the horny uncalci-fied material (conchiolin) of the ligament. 2. (NEMATA) The middle part of a muscular esophagus, often constricted; a narrow section of the esophagus.
iteroparous a. [L. iterare, to repeat; parere, to bear] Having the capability to reproduce two or more times during a lifetime. iteroparity n.
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