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Olfaction is the sense of smell, which is the ability to perceive and distinguish odours. The sense of smell is well developed in horses, as they are prey animals.   

Olfaction is the sense of smell, which is the ability to perceive and distinguish odours. The sense of smell is well developed in horses, as they are prey animals.   

[[Image:Nasal Cavities.jpg|thumb|right|250px|Nasal Cavities - Copyright David Bainbridge]]

[[Image:Nasal Cavities.jpg|thumb|right|250px|Nasal Cavities - Copyright David Bainbridge]]

The nose consists of the external nares with nasal cartilages, the [[Equine Upper Respiratory Tract - Horse Anatomy#Nasal Cavity|nasal cavity]] (including the nasal meatus and conchae), and the [[Equine Upper Respiratory Tract - Horse Anatomy#Paranasal Sinuses|paranasal sinuses]. The borders of the nasal cavity are as follows:

The nose consists of the external nares with nasal cartilages, the [[Equine Upper Respiratory Tract - Horse Anatomy#Nasal Cavity|nasal cavity]] (including the nasal meatus and conchae), and the [[Equine Upper Respiratory Tract - Horse Anatomy#Paranasal Sinuses|paranasal sinuses]]. The borders of the nasal cavity are as follows:

'''Caudal''': The cribrifrom plate of the ethmoid bone.

'''Caudal''': The cribrifrom plate of the ethmoid bone.