. Diseases of the dog and their treatment. rymalopening. In acute inflammation of the duct, if the end of the duct isclosed by inflammatory processes, it is apt to break out through someportion of the duct, which may discharge a muco-purulent fluid for atime or else form a permanent fistula; this condition is extermely rare,and occasionally we may find that an abscess at the root of one of themolars has caused a fistulous opening near the canal; careful probingwith a sound will generally enable one to make a correct differentialdiagnosis. Stenosis and obstruction of the lachrymal canal is due
. Diseases of the dog and their treatment. rymalopening. In acute inflammation of the duct, if the end of the duct isclosed by inflammatory processes, it is apt to break out through someportion of the duct, which may discharge a muco-purulent fluid for atime or else form a permanent fistula; this condition is extermely rare,and occasionally we may find that an abscess at the root of one of themolars has caused a fistulous opening near the canal; careful probingwith a sound will generally enable one to make a correct differentialdiagnosis. Stenosis and obstruction of the lachrymal canal is due to inflamma-tion of the mucous membranes, traumatisms, foreign bodies, of the opening of the canal is indicated by the constant flow of 400 DISEASES OF THE EYES tears from the internal angle of the eyes, irritation of the skin, and lossof hair below the opening. Hypertrophy of the lachrymal canal is duo to various inflammatoryprocesses or neoformations. The treatment of closure of the lachrymal canal is a very difficult and. Fig. 13S—Protrusion of the membrana nictitans. delicate operation to handle. It consists in trying to establish a newopening into the nasal cavity and direct the tears into it. Diseases of the Membrana Nictitans.—Irritation of this organ mayresult from various pathological processes which affect the conjunctiva, themembrana nictitans being covered on both surfaces by that membrane.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdo, booksubjecthorses
