GENERAL HISTOLOGY

NERVOUS SYSTEM SPECIAL SENSE

SPINALCORD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which neural tube defect involves the herniation of meninges and brain tissue?
A
Anencephaly
B
Cranial Meningocele
C
Cranial Meningoencephalocele
D
Cranial Meningohydroencephalocele
E
Cranial Encephalocele
Explanation: 

Detailed explanation-1: -Encephalocele is an NTD characterized by a pedunculated or sessile cystic, skin-covered lesion protruding through a defect in the cranium (skull bone). Encephaloceles can contain herniated meninges and brain tissue (encephalocele or meningoencephalocele) or only meninges (cranial meningocele).

Detailed explanation-2: -Encephalocele is a herniation of neural tissue and meninges through deficient skin and bony structure either anteriorly or posteriorly.

Detailed explanation-3: -In spina bifida, the neural tube doesn’t close completely and some of the bones of the spine do not close in the back. This can result in an opening anywhere along the spine and may cause damage to the spinal cord and nerves.

Detailed explanation-4: -Meningoencephalocele is a type of encephalocele, which is an abnormal sac of fluid, brain tissue, and meninges (membranes that cover the brain and spinal cord) that extends through a defect in the skull.

Detailed explanation-5: -Encephalocele is a neural tube defect in which there is a sac-like protrusion of the brain and membranes through openings in the skull.

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