Olfactory CN 1 Flashcards
What is the FIRST site to process the information of smell?
Olfactory bulb
T/F Olfactory bulb has many cell layers
True
What is the structural classification of the Olfactory nerve?
Bipolar neurons
Where are the bipolar neurons located?
Upper and posterior part of the nasal cavity
What detects odoriferous changes?
Cilia of the dendrites located in the upper and posterior part of the nasal cavity
The central processes (axons) of these neurons collectively form what?
Olfactory nerve
The olfactory nerve will course through in the _____ of the _____ bone to enter the _____.
Cribiform plate; ethmoid bone; ventral surface of the olfactory bulb.
Where does the olfactory nerve fiber synapse?
Olfactory bulb
What is the fiber classification of the olfactory nerve?
Special Visceral Afferent
Is olfactory nerve derived from branchial arch?
YES
The axons of the neurons in the olfactory bulb merge to form the _____.
Olfcatory tract
What lies in the olfactory sulcus?
Olfactory tract
The tract lies in the olfactory sulcus and will divide at it’s _____ into _____ or _____.
Expansion (Olfactory trigone); medial or lateral striea
The axons of the lateral stria project to the _____ area and parts of the _____.
Pyriform area (anterior part of the parahippocampal gyrus); amygdaloid body.
Pyriform area and parts of the amygdaloid body. This area is collectively called?
Lateral olfactory area or Olfactory cortex
