Developmental problems

Developmental problems - o Not normally compatible with...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Developmental problems Spina bifida occulta (Spinal dysraphism): Deficient vertebral arch o Vertebral arch incompletely formed; Usually posterior part of arch o Spinal cord normal in vertebral column; May be no physical signs Meningocoele: Herniation of meninges with no/minor abnormalities of o Defective area of vertebral arch allows herniation to take place o Meninges exposed to surface, so susceptible to infections o o Assuming spinal cord not abnormal, patient will have normal spinal cord function o Similar to meningocoele, but also have neurological abnormalities Myelocoele: Failure of fusion of neural folds o Usually caudal end of neural tubes; Neural tube not formed & left open to outside world o Major neurological deficit in area supplied by defect; Most common in lumbar region
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o Not normally compatible with life Anencephaly: Failure of closure of anterior neuropore & of development of vault of skull o Not normally compatible with life Microcephaly: Underdevelopment of brain o Telencephalon does not develop to its full extent o Major neurological abnormalities, but compatible with life Hydrocephalus: Excess of cerebrospinal fluid o Excessive pressure caused by CSF, produced by choroid plexus o Normally results from non-functioning arachnoid granulations Unable to absorb CSF produced by choroid plexus o Sutures between vaults of skull dont fuse normally for 1st 3-4yrs of life ---- Patent fontanelles o Normally have reduced levels of cerebral function Due to excess pressure on brain, which stops development & causes deterioration o Tube used to connect CSF to internal jugular vein for drainage o Prone to infections, e.g. meningitis...
View Full Document

This note was uploaded on 11/22/2011 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

Page1 / 2

Developmental problems - o Not normally compatible with...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online