April5.rtf

Olfactory Epithelium Mucosa mucous has olfactory binding protein allows molecules to stick easierOlfactory Receptor Neurons ORN have cilia on the end important in moving the mucous or else we loose sensitivity to smellwhen we smell molecules get stuck to the cilia only communicate to one or two kinds of Glomeruli pattern of activity on Glomeruli tells us what substance we are smellingDisorders of OlfactionA Anosmia smell blindness makes it impossible to smell1 Temporary occurs because of damage to the olfactory receptor neuronscan happen from getting hit in the face cribform plate gets crushed snipping off the axon killing neuronneurons replace themselves every 57 weeks so a new one will grow in can happen from inhaling shit like Cocaine or Zinc 2 Permanent affects all smells damage to some part of the olfactory centre in the brainsome specific types people cant smell piss