In this article we will discuss about the meaning and theories of ascent of sap. Meaning of Ascent of Sap: Plants lose enormous amounts of water by transpiration. Water is absorbed from the soil and is conducted upwards through roots and stems ultimately to reach the leaves. This becomes possible due to the presence of continuous conducting channels in the [...]
The following points highlight the three major diseases of gastrointestinal tract:- 1. Diseases of the Mouth 2. Diseases of the Oesophagus 3. Peptic Ulcer. Gastrointestinal Tract: Disease # 1. Diseases of the Mouth: Lesions primarily nutritional in origin are angular stomatitis, cancrumoris, nutritional parotitis and nutritional glossitis. Glossitis is often a presenting feature in pellagra, the sprue syndrome, pernicious anemia [...]
The following points highlight the four main diseases of kidney and urinary tract. The diseases are: 1. Acute Glomerulonephritis 2. Nephrotic Syndrome 3. Acute Renal Failure 4. Chronic Renal Failure (Uremia). Disease # 1. Acute Glomerulonephritis: This is characterized by acute inflammation of the glomeruli with congestion. Renal blood flow and glomerular filtration rate are reduced by 50 per cent. [...]