Chronic airway obstruction denotes an alteration in the mechanical properties of the lungs characterized by poorly reversible increased hindrance to expiatory airflow; it is usually but not necessarily accompanied by increased resistance to inspiration. It occurs mainly in association with primary disorders of the lungs such as chronic bronchitis, emphysema, and asthma, but … [Read more...] about What Is Chronic Airflow Obstruction;What Does It Do?
Extracellular fluid is transported to all parts of the body in two different stages. The First stage entails movement of blood around and around the circulatory system. And the second movement Of fluid between the blood capillaries and the cells. All the blood in the circulation traverses the entire circuit of the circulation an average of once each minute at rest and as many … [Read more...] about What Is Extracellular Fluid;What Does It Do In Human Body?
Concussion is a clinical term that may be defined as loss of consciousness after an injury to the head without macroscopic damage to nervous tissue. Recovery is usually prompt after less severe injuries, but long periods of unconsciousness or death may occur, and amnesia for events before and after the accident is common. Concussion implies that contusions and lacerations of … [Read more...] about What Is Concussion;What Does It Do In Brain?
Hereditary spastic ataxia,is a usually heredofamilial disease.It is characterized pathologically by atrophy of the cerebellum, cell loss in the dentate and olivary nuclei. Clinical Features of Hereditary Spastic Ataxia This is an uncommon form of spino cerebellar degeneration. It is usually hereditary with several clinical and pathologic variants.Clinically and … [Read more...] about What Is Hereditary Spastic Ataxia;What Does It Do?
Tuberous sclerosis is a congenital disease characterized by the presence of congenital tumors and malformations of the brain, skin, and viscera, and clinically by epilepsy and mental retardation. Etiology of Tuberous Sclerosis The disease is both sporadic and heredofamilial and is probably inherited through a single dominant trait. Tuberous Sclerosis Pathology. The … [Read more...] about What Is Tuberous Sclerosis;Pathology,Prognosis And Treatment