seed n. [A.S. saed, seed] (MOLL: Bivalvia) A young oyster; not designated by a specific size range.
seed galls (nemata) Seedheads converted to galls containing cryptobiotic nematode larvae or adults.
segment n. [L. segmentum, piece] 1. A part or subdivision of a body or appendage that is marked off or separate between joints or articulations. 2. (ANN) A portion of the body, along the anteroposterior axis, between two consecutive in-tersegmental furrows and the associated septa. 3. (ARTHRO: Crustacea) A podomere. see article.
segmental blood vessel (ANN) A blood vessel in the body wall, connecting anteriorly from dorsal to ventral arteries, and posteriorly by plexes around the gut.
segmental spines (ARTHRO: Insecta) In Diptera, 12 major bristles occurring in transverse rows on each segment of syrphid fly larvae.
segmentation n. [L. segmentum, piece] 1. The division of a jointed appendage or limb. 2. Cleavage.
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