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Spina bifida (SB; /ˌspaɪnə ˈbɪfɪdə/, [9] Latin for 'split spine') [10] is a birth defect in which there is incomplete closing of the spine and the membranes around the spinal cord during early development in pregnancy. [1] There are three main types: spina bifida occulta, meningocele and myelomeningocele. [1]
The symptoms depend on the cause of the blockage, the person's age, and how much brain tissue has been damaged by the swelling. [11] In infants with hydrocephalus, CSF builds up in the central nervous system (CNS), causing the fontanelle (soft spot) to bulge and the head to be larger than expected. Early symptoms may also include: [11]
Meningocele is less severe and is characterized by herniation of the meninges, but not the spinal cord, through the opening in the spinal canal. Myelomeningocele involves herniation of the meninges as well as the spinal cord through the opening. [19] Spina bifida occulta means hidden split spine. [20] In this type of neural tube defect, the ...
Tethered spinal cord can be caused by various conditions but the main cause is when tissue attachments limit the movement of the spinal cord in the spinal column which causes abnormal stretching of the cord. The tethered spinal cord syndrome is correlated with having the causes: [9] Spina bifida. Occulta; Mylomeningocele; Meningocele; History ...
Lateral meningocele syndrome, also known as Lehman syndrome, [2] is a very rare skeletal disorder with facial anomalies, hypotonia, and meningocele-related neurologic dysfunction. [3] These protrusions form from membranes surrounding the spinal cord in gaps in the spine (vertebrae). [ 4 ]
Spina bifida is a birth defect that affects the lowest part of the spine and occurs when a fetus's neural tube does not fully close, causing the backbone that protects the spinal cord not to form ...
Congenital heart defects, hydronephrosis, omphalocele and meningocele (spina bifida) are also common. Cystic hygromas occur but are uncommon. [citation needed] Triploid fetuses have intrauterine growth restriction beginning early in the pregnancy, as early as 12 weeks, and does not affect the head as severely as the body.
The photograph was taken during a medical procedure to fix the spina bifida lesion of a 21-week-old fetus. The operation was performed by a surgical team at Vanderbilt University in Nashville. The team, Dr. Joseph Bruner and Dr. Noel Tulipan, had been developing a technique for correcting certain fetal problems in mid-pregnancy.