clasper


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clasper

[′klasp·ər]
(vertebrate zoology)
A modified pelvic fin of male elasmobranchs and holocephalians used for the transmission of sperm.
References in periodicals archive ?
In 1847, at the same time as Harry Clasper was rowing to victory on the river, the great Victorian industrialist Lord Armstrong was founding his factory on the banks of the Tyne at Elswick.
But Clasper said they are "working very hard to improve things" and have hired 1000 extra call centre staff.
It has been assumed that the clasper has an open groove for its entire length which is closed over during copulation for a passageway for sperm.
BAA named Stephen Nelson CEO replacing Mike Clasper, who stepped down yesterday.
Claspers begin to elongate when the males approach 120 cm FL, and rapid clasper growth begins at 135 cm FL and slows by about 170 cm FL when they have reached their maximum adult size of 19-24 cm.
State of maturity was determined by macroscopic examination of the reproductive tract, clasper condition, or by published size-at-maturity estimates (Bigelow and Schroeder, 1953; Casey and Pratt, 1985; Pratt, 1993).
In their new roles, they will report directly to Stephen Clasper, Chief Executive - Whitney O'Neill Asia Pacific.
The ORCA survey team on board was led by Brian Clasper, who along with Sophie Wild made the sighting 600m off the starboard side of the ship.
Evie Clasper, of Clasper, of E Ingleby Barwick, was born with hypoplastic left heart syndrome, a condition where the left side of the heart does not develop properly.
Pcs Stuart Clasper and Marc Kelly, along with PCSO Will Parker, set off from the hospital on Monday morning.
Now, the team has identified a long clasper, made entirely of bone, on another fish specimen.
Former BBC Director General Greg Dyke, long linked to a takeover bid for ITV, is third favourite at 5-1 but there have been whispers for 12-1 chance Mike Clasper, ex-boss of BAA.