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- The axons of the olfactory cells form the fila
olfactoria, which passes through the cribriform plate
of the ethmoid bone and synapse in the olfactory bulb
- Second order neurons form the olfactory tract which divides in to lateral, medial and intermediate olfactory stria
- Fibres in the olfactory striae terminate in the following:
a) Piriform area
b) Amygdaloid nucleus and Peri -amygdaloid areas
c) Entorhinal area:
d) Subcallosal areas
e) Para terminal gyri
f) Septal area
g) Primary olfactory cortex
- Efferent fibres from these project to hippocampal formation and frontal cortex
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