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Subject notes
Overview Pneumonias are infection and inflammation of lung parenchyma. The lungs parenchyma consist of a large number of thin-walled lungs’ air sac (alveoli). Which is filled with pus or fluids, causing various symptoms including a cough (dry or wet), fever,…
What is chronic bronchitis? Chronic bronchitis is diagnosed on a clinical basis: It is defined as the presence of a persistent productive cough for at least 3 consecutive months in at least 2 consecutive years. The cough is caused by…
What is Bronchial Asthma? Bronchial asthma is a chronic relapsing inflammatory disorder of the airways characterized by paroxysmal reversible bronchospasm due to smooth muscle hypersensitivity or hyperactivity. There is increased high responsiveness of the tracheobronchial tree to various stimuli. The…
What is inflammation? Inflammation is the response of vascularized tissue to the contagious agent or infectious agent and damaged tissues. It brings molecules and cells of the host defense from the systemic circulation to the site of injury. To eliminate…
What is Neoplasia? Neoplasia literally means new growth, and a new growth formed is called neoplasm. The term neoplasm derived from the Greek word neo means new and plasma means thing formed. The term “tumor” was originally used for the…
What is Osteoarthritis? Osteoarthritis is a noninflammatory, slowly progressive, and degenerative joint disease, mainly involving the cartilage. It is a most common disease characterized by slow progressive destruction of articular cartilage of weight-bearing joints of genetically susceptible older people. It…
What is Basal cell carcinoma? Basal cell carcinoma is a locally invasive, slow-growing tumor mass of the skin of middle-aged people that rarely metastasizes. It occurs exclusively on the hairy area of the skin, the face is the most common…
