Histological and Histochemical Observations on Mast Cell and Glands in Chronic Tonsillitis.

Mast cell take active part in immune system of body, clinical manifestations are closely related to hypersensitivity. Reactions and potent biological mediators released by these cells are responsible for different clinical manifestation like allergic reaction. Frequent and important sites of these allergic reactions occur in-upper aero digestive tract, nasal, pharyngeal and respiratory allergies.

Observations on Tympanic Membrane Perforations (Safe Type) and Hearing Loss.

The most commonly observed clinical findings in otological practice is discharging ear in which perforation of the tympanic membrane is the commonest, yet the patients hardly ever seek advice for deafness as the presenting symptom. In patients with the symptoms of ear ache or ear discharge when relieved seldom present for follow up and are not very much concerned about the hearing loss present there. There is a different correlation between surface area of tympanic membrane and amplification of sound.