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Edema may be described as pitting edema or non-pitting edema. [32] Pitting edema is when, after pressure is applied to a small area, the indentation persists after the release of the pressure. Peripheral pitting edema, as shown in the illustration, is the more common type, resulting from water retention.
A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. [1] Other woody plants may develop basal burls as a similar survival strategy, often as a response to coppicing or other environmental stressors.
Edema, (also spelled oedema, and named from the analogous disorder in humans and other animals), is a disorder in plants caused by the build-up of water in plant tissues faster than the leaves can transpire. [1] [2] The excess fluid bursts the cell membranes, which can appear as blistery growths, red spots, or small white 'crystals'. [3]
A section of rosemary stem, an example of a woody plant, showing a typical wood structure. A woody plant is a plant that produces wood as its structural tissue and thus has a hard stem. [1] In cold climates, woody plants further survive winter or dry season above ground, as opposed to herbaceous plants that die back to the ground until spring. [2]
In woody plants, a tylosis (plural: tyloses) is a bladder-like distension of a parenchyma cell into the lumen of adjacent vessels. The term tylosis summarises the physiological process and the resulting occlusion in the xylem of woody plants as response to injury or as protection from decay in heartwood . [ 1 ]
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Pulmonary Arterial Hypertension. Pulmonary arterial hypertension (PAH) is a serious condition that happens when the tiny vessels in your lungs narrow, resulting in high blood pressure.
The management of lipodermatosclerosis may include treating venous insufficiency with leg elevation and elastic compression stockings. [9] In some difficult cases, the condition may be improved with the additional use of the fibrinolytic agent, stanozol.