Muzzle
The muzzle ( lat. Planum nasolabiale ) is the fusion of the nasal entrance and upper lip in cattle .
The muzzle has by shallow grooves delimited, polygonal (polygonal) fields (areae) with a diameter of 2 to 4. mm. Similar to a fingerprint , this field is an individual identifier.
The epidermis (upper skin) is thickened in the area of the mouth. In the dermis (dermis) there are compact beds of serous glands (muzzle glands ) , which open into small pits (foveolae) in the area of the muzzle fields. Except for a few individual sinus hairs , the skin is hairless.
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