neural spine


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Related to neural spine: Neural canal

neural spine

[′nu̇r·əl ′spīn]
(anatomy)
The spinous process of a vertebra.
References in periodicals archive ?
The partially articulated thoracic elements include a well-preserved vertebrae (backbone) with exposed neural spine and processes, partial centrum and complete articulation with the head of the ribs.
Description: A partial presacral neural spine was collected from Foz do Arelho (MG 4920, Fig.
pusillus has a neural spine to dorsal fin pterygiophore configuration of 3-12201.
Remarks--Holman (8) described this small erycine snake as having a vertebral form much wider than long, an extremely depressed neural arch, a neural spine that overhangs posteriorly and is about as high as long, and a moderately wide, distinct hemal keel with distinct, robust subcentral ridges and well defined, deep subcentral grooves.
In particular, it would be interesting to investigate whether either species develops a fourth epural that fuses with the third, or a first epural that fuses with the neural spine of the second preural centrum during flexion.
Nonetheless, Diadophis differs from Hypsiglena in having lower neural spines and from Gyalopion in having smaller condyles.
The diapophyseal processes are associated with the neural arch, located on the base of the neural spine.
The fossil has a higher neural spine than specimens of N.
Emended diagnosis: styracosternan ornithopod characterized by a single autapomorphy: axis with neural spine tall (i.
The studied material includes a cervical centrum with both pedicles fused to it (MPZ 2013/374), a small dorsal vertebra with an almost complete neural arch including the neural spine (MPZ 2013/373), a partial sacrum (MPZ2013/366) and eight caudal vertebrae (MPZ 2013/ 367 to 372, MPZ2013/385) (Fig.
The prezygapophyses, whose articular surfaces are oriented upwards, inwards and slightly forwards, are ventromedially fused, but not the postzygapophyses, which are ventrally separated at the base of the neural spine by a rounded notch.