Ventral segment

(Acoustics) See Loor, n., 5.
(Acoustics) See Loop, n., 5.

See also: Segment, Ventral

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Integument black; vestiture gray and brown, dense, conspicuous; ventral segments gray and dorsal segments brown (Figs.
A species of Synodus differentiated from its congeners by the following combination of characters: dorsal-fin rays 11 or 12 (rarely 11); anal-fin rays 11; total caudal rays 41-42; dorsal segmented caudal rays 9; ventral segmented caudal rays 10; dorsal procurrent caudal rays 12; ventral procurrent caudal rays 10-11; pelvic-fin rays 8; pectoral-fin rays 11 or 12; total vertebrae 47-49, modally 49; predorsal vertebrae 12 or 13; pored lateral-line scales 45-48; median predorsal scales 12 or 13; scale rows on cheek 4-6; eye large, 4.5-6.9% SL (16.7-24.7% head length [HL]); anterior nostril flap long, tapering distally and extending over posterior nostril when depressed, length of flap 2.7-4.9% HL; snout blunt in dorsal view; pelvic-fin length 21.6-25.2% SL.
Dorsal-fin rays 11-12, rarely 11; anal-fin rays 11; total caudal-fin rays 41-42; dorsal segmented caudal rays 9; ventral segmented caudal rays 10; dorsal procurrent caudal rays 12; ventral procurrent caudal rays 10-11; pelvic-fin rays 8; pectoral-fin rays 11 or 12; total vertebrae 47-49, modally 49; predorsal vertebrae 12 or 13; scales ctenoid; pored lateral-line scales 45-48, modally 47; median predorsal scales 15 or 16; scales above lateral line to dorsal-fin base 3.5; scales below lateral line to anal-fin base 4.5.
A species of Synodus differentiated from its congeners by the following combination of characters: dorsal-fin rays 11-12; anal-fin rays 11; total caudal rays 40-42; dorsal segmented caudal rays 9; ventral segmented caudal rays 9-10; dorsal procurrent caudal rays 11-12; ventral procurrent caudal rays 9-10; pelvic-fin rays 8; pectoral-fin rays 11-13; total vertebrae 49-52, modally 50; pored lateral-line scales 49-52, modally 51; median predorsal scales 16 or 17; scale rows on cheek 6-8; HL 15.2-28.4% SL (26.6%); orbit diameter 3.6-6.4% SL (4.7%) and 13.4-22.5% HL (17.2%); interorbital width 2.8-5.3% SL (4.3%) and 10.1-19.4% HL (15.9%); flap on anterior nostril small and broad, length 1.5-3.6% HL (2.4%); snout triangular in dorsal view; pelvic-fin length 23.1-26.7% SL (24.9%).
1a); base of metepisternum, apex of metacoxa and lateral areas of ventral segments 2 to 5 with dense white hairs; legs with sparse white hairs; undersurfaces with moderately dense white to golden pubescence; pygidial pubescence varying from uniform, moderately dense white hairs to white or brown hairs with a dense median stripe of white hairs.