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Vocabulary Word

Word: ventral

Definition: abdominal


Sentences Containing 'ventral'

"L. piracicabae" has its egg adherent to its ventral surface.
As also seen in CAMSM J.29564, it had cervical centra with ventral surface ornamentation, but lacking a ventral keel.
Both the dorsal and ventral surfaces are smooth and have no dermal denticles.
Carlloceras has a moderately involute shell with a compressed trapezoidal whorl section, nearly flat ventral and lateral areas, and slight dorsal impression.
In chronic cases, a "heave line" may be visible on the ventral abdomen.
In some fishes, the palatoquadrate is the dorsal component of the mandibular arch, the ventral one being Meckel's cartilage.
It shows "type III" retroarticular process and autapomorphic (unique) traits of the cervical vertebrae, which had a smooth ventral surface and a ventral keel, unlike rounded to flat ventral surface seen in other species.
Its normal movement is gliding over the surface by help of cilia on the ventral side in combination with mucus produced by the worm.
On large shrimp, the "blood vein" (a euphemism for the ventral nerve cord) along the inner curve of the shrimp's body is typically removed as well.
On the ventral surface it is solid white.
Pathway for ventral and rostral spinocerebellar tracts.
Phacoceras as a moderately involute, highly compressed, smooth, lenticular shell with an acute venter and widest at the umbilical shoulder; suture with ventral saddle and broad shallow lobes on flanks; siphuncle slightly ventral from center.
Scales of the sides small, there being about forty in one of the transverse scries; ventral scales much larger, in fourteen longitudinal rows.
Siphuncles are between the center and ventral margin, but not close to either.
Some neurons of the ventral spinocerebellar tract instead form synapses with neurons in layer VII of L4-S3.
Sutures are with lateral lobes in primitive forms but are without lateral lobes, but with ventral lobes in more advanced species with broader sections.
Sutures have ventral and lateral lobes but are transverse dorsally.
Sutures on flanks are with smooth, deep lobes and with shallow ventral lobes.
The buccal ganglia are positioned posterior to the pharynx and are linked to each other by a short buccal commissure ventral to the oesophagus.
The caudal fin is large and crescent-shaped, with the lower lobe almost as long as the upper; there are both dorsal and ventral depressions (precaudal pits) at the caudal fin base, and a deep ventral notch near the tip of the upper caudal fin lobe.
The clear conclusion here was that, in the ventral claustrum where the visual projections are, the stained axons were short and arranged randomly.
The dorsal and ventral profiles are straight except for a convex head.
The dorsal side of each is straight while the ventral side is slightly curved giving a pod-like appearance.
The dorsal surface is a dark grey, and the ventral surface almost white.
The fur coloration is brown to blackish on the dorsal surface and ashy on the ventral surface.
The genus is distinguished by exceptionally broad prongs of the ventral lobe and by the presence of a shallow groove on the outer flanks.
The gill slits are on the ventral surface just behind the head and there are five in all species except the sixgill stingray ("Hexatrygon bickelli").
The larva of this species is grey on the dorsal side, and yellow on the ventral side.
The legs are pale yellow, mixed with brownish black on the ventral side of the foreleg.
The neotype centrum, CAMSM J.29564, differs from the holotype of "P. brachydeirus" in the following two traits; it has ventral surface ornamentation but lacks a ventral keel.
The nephroduct is long and looped with a dorsal branch extending backward and a ventral branch forward. The ventral branch is looped dorsally in its distal part.
The others are the ventral propriospinal tract and the dorsal propriospinal tract.
The paired anterior pedal glands discharge ventral to the mouth opening to the exterior.
The smaller lateral and ventral scales are keeled too.
The suture has a ventral saddle and broad lateral lobe and the siphuncle is small and near the venter.
The suture is with broad, deep lateral lobes, the nature of the ventral and lateral lobes is unknown, as is the position of the siphuncle.
The suture is with ventral and dorsal lobes, the siphuncle very close to the venter.
The tail has 18 laterally compressed spines, the dorsal surface is covered in denticles, while the ventral surface lacks denticles.
The tail was bi-lobed, with the lower lobe being supported by the caudal vertebral column, which was "kinked" ventrally to follow the contours of the ventral lobe.
The throat and ventral surfaces are whitish to light grey to cream, often with distinct white patches on the throat, chest and belly.
The tracts include the ventral propriospinal tract, the lateral propriospinal tract and the dorsal propriospinal tract. Some authors include the semilunar tract in this category.
Their basic form is the ribbon or plate which takes in nourishment and oxygen on its lower (ventral) side, and excretes on the upper (dorsal) side.
There are 135-149 ventral scales, and 30-44 mostly paired subcaudal scales.
There are many areas in the brain used to process reward, such as the nucleus accumbens, the substantia nigra, the striata and the ventral tegmental area (VTA).
They are shades of tan, brown, and gray with spotted patterns on their smooth, glossy skin, and a white or cream-colored unmarked ventral surface.
They display horizontal yellow stripes or bars on the ventral surface of their tail feathers, yellow spots on the ventral surface of the primary flight feathers of their wings, a gray colored crest and face, and a dull orange patch on each of their cheeks.
Unlike "P. brachydeirus", its cervical centra possess a rugose ventral surface, but lack ventral keel.
Ventral and umblical shoulders are sharp.
Ventral shoulders are angular, umbilical shoulders broadly rounded.
When threatened, these fishes display their large ventral and dorsal fins.

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