Final answer:
Myelomeningocele is the form of spina bifida associated with herniation of meninges and neural tissue through the bony defect. It involves the protrusion of the meninges and spinal nerves, leading to severe neurological symptoms.
Step-by-step explanation:
The form of spina bifida associated with herniation of meninges and neural tissue through the bony defect is called myelomeningocele. It is one of the three classes of spina bifida, along with occulta and meningocele. Myelomeningocele involves the protrusion of the meninges and spinal nerves, leading to severe neurological symptoms.