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Inhalation of selenium vapors may also cause dizziness, fatigue, irritation of the mucous membranes and respiratory effects.

Coming in second place was the orange roughy, a deep-sea fish in the slimehead family - known for the mucous canals on their heads.

Most alcohol enters the bloodstream via the mucous membrane layer of the stomach and the intestines.

The disease causes tongue and mucous membrane lesions, problems with swallowing, lameness and stiffness, affecting animal welfare and leading to a reduction in milk yields.

It is produced by staphylococci, which are typical colonizers of the skin and mucous membranes.