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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,…
Introduction of Adenovirus Rowe and associates in 1953. The adenovirus is isolated from adenoids originally. Adenovirus shares a common complement-fixing antigen. The virus infects…
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 sternocleidomastoid muscle? The sternocleidomastoid muscle is the principal muscle of the neck region. It obliquely extends across the side of the neck region & dividing the anterior and posterior triangle of the neck. Origin and insertion Origin: Sternal…
