haptor


Also found in: Medical.

haptor

[′hap·tər]
(invertebrate zoology)
The posterior organ of attachment in certain monogenetic trematodes characterized by multiple suckers and the presence of hooks.
References in periodicals archive ?
Ramasamy P, Brennan GP (2000) Ultrastructure of the surface structures and haptor of Empleurosoma pyriforme (Ancyrocephalinae Monopisthocotylea: Monogenea) from the gills of the teleost fish Therapon jarbua.
Peduncle short; haptor oval 59 (51-67; n = 18) long, 61 (54-67; n = 18) wide.
Peduncle broad; haptor 47 (41-54; n = 20) long, 86 (74-98; n = 20) wide.
Short peduncle, haptor 93 (68-138; n = 11) long, 125 (70-185; n = 11) wide, not distinctly set off from body proper; two pairs of dissimilar anchors and 14 hooks.
Total length 4,179 (2,775-4,950; n = 7); body prer length 3,339 (2,000-4,025; n = 7); maximum width (excluding infolds of lateral margins) 982 (750-1,250); haptor bell-shaped, 453 (380-580; n = 7) long, 450 (200-670; n = 7) wide.
Haptor with 14 hooks with typical ancyrocephaline distribution (Mizelle 1936), comprising shank of two subunits; ventral bar "U-modified" shape; dorsal bar elongate; pair of ventral and dorsal anchors with shaft and base differentiated, deep roots.