Related to neural arches:neural arch of vertebra,hemal arches n. A bony or cartilaginous Y-shaped arch that projects from the posterior side of a vertebral body and encloses the spinal cord. Also calledvertebral arch. American Heritage® Dictionary of the English Language, Fifth Edition. Copyri...
Preliminary study on the use of neural arches in the age determination of bluntnose sixgill sharks (Hexanchus griseus) The combination of characters that identify the fossil to Leptotyphlops include absence of a neural spine; zygosphene wide and thin; prezygapophyseal facets elongated and strongly...
Define interneural. interneural synonyms, interneural pronunciation, interneural translation, English dictionary definition of interneural. adj anatomy situated between the neural spines or neural arches Collins English Dictionary – Complete and Unabrid
In other cases, the neural tube may develop normally, but the surrounding vertebrae may not form properly, resulting in spina bifida occulta or spina bifida cystica. Spina bifida occulta is characterized by partially missing vertebral arches; the area of the defect may be indicated by a patch...
Finally, neural tube closure is essential for subsequent development of posterior tissues including the vertebral arches and cranial vault, paraspinal muscles, and posterior skin of the head and back. In some cases, neural tube closure proceeds normally, but the overlying skin and mesodermal structures...
These anomalies range in severity from clinically insignificant defects of the L5 or S1 vertebral arches (spina bifida occulta) to major malformations of the thoracic spinal cord that lies uncovered by skin or bone on the baby's back. Spina bifida cystica, or meningomyelocele (MMC), is a...
3. Variations in the total number of thoraco-lumbar vertebrae have been observed in only eight (3-3 per cent.) of 241 specimens. In two the number was reduced to 18, and in six it was increased to 20, 13 rib-bearing vertebrz being followed by seven non-rib-bearing lumbar vertebra ...
NeuralTubeDefects MuhammadSyedMD RajegowdaBenamanahalliMD NeuralTubeDefects Congenitaldeformitiesinvolvingthe coveringsofthenervoussystemarecalled neuraltubedefects(NTDs). SPINABIFIDA (Latin:"splitspine") Types spinabifidaaperta osseousfusionofoneormorevertebral archesislacking,withoutinvolvementofthe underlyingmening...
Researchers have used 15 human cadaver L3 and L4 lumbar vertebrae for analysis. Results reveal that the removal of one fourth of the lateral aspect of the pars interarticularis has minimal influence on the stresses in remaining neural arches.Lvanov...
The second malformation was a sacral vestigial appendage with an adjacent dermal sinus opening onto the posterior midline and extending internally to the dura through a defect of the vertebral arches. From the published literature and this particular case, we conclude that notomelia is a rare ...