SA-CNS pathology Flashcards
lamina failed to fuse w/ tuft of hair growth over site, site, called ‘fawns beard’
Spina bifida occulta
meninges protrude out
meningocele
Spinal chord protrudes out because meninges does not develop properly
Myelocele
Spinal cord+meninges protrude out
Meningomylocele
Cerebellar preduncles come below foramen magnum
Arnold chairi syndrome type I
Arnold Chiari syndrome type 2
Arnold Chairi syndrom type I + meningomyelocele
failure of maxillary and palatine bones to fuse
cleft palate
there are ___ pairs of mesodermal somites
31
splanchnic mesoderm forms
smooth muscle
somatic mesoderm forms
skeletal muscels, tendons, ligaments
mesodermal Epimere forms (myotome)
Extensors
mesodermal hypomere forms (myotome)
flexors
Dermatome formes
nerves
3 parts of the mesodermal somite stages
sclerotome, myotome, dermatome
sclerotome forms the
membranous vertebral column
forms mesencyhymal tissue into bone and forms flat bones (clavicle and skull) as well
intramembranous/intermedullary ossification
Endochondral ossification
performed in cartilage forms most bones (long bones)
stomodeum foms
mouth
foregut forms
back of throat to 1st 1/3 of duodenum
midgut forms
last 2/3 of duodenum first 2/3 f transverse colon
Hindgut
last 1/3 of transverse colon to anus
becomes scrotal ligament in males and suspensatory ligament of ovaries in females (round ligament)
gubernaculum
most CSF is produced in the ____ ventricle of the chloroid plexus by _____ cells
lateral
epidymal
impulse towards cell body
dendrites
impulse away from cell body
axon
dendrite serves as a
receptor
only sensation that bypasses the thalamus is ____
smell
cerebellum receives info after passing through the _____ and also from the _____
brainstem
cortex
