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Cracking of the stem and gummosis is also observed in infected plants. The resultant breaking of the stem which hang typically as a dry black twig is referred to as the ‘black arm’. The pathogen also reportedly causes blackening of the veins and veinlets, giving a typical ‘blighting’ appearance. [citation needed]
The basilic vein is a large superficial vein of the upper limb that helps drain parts of the hand and forearm. [1] It originates on the medial side of the dorsal venous network of the hand and travels up the base of the forearm, where its course is generally visible through the skin as it travels in the subcutaneous fat and fascia lying superficial to the muscles.
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
He stared down at his arms, watching the black veins receding from his skin. He was overcome with joy at the sudden absence of pain and sickness. But the relief was short-lived. Within seconds the veins reappeared, his blood seemed to thicken to tar, and his back bent under the weight of the Veil's curse once again.
The veins of the arm carry blood from the extremities of the limb, as well as drain the arm itself. The two main veins are the basilic and the cephalic veins. There is a connecting vein between the two, the median cubital vein, which passes through the cubital fossa and is clinically important for venepuncture (withdrawing blood). The basilic ...
Monarchs have prominent black “veins” on their wings, and the wing edges are black with numerous white spots. By contrast, Gulf Fritillaries (Agraulus vanillae) are somewhat smaller, with ...
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[9] When the inferior limbs are affected, the redness of the skin runs over the great saphenous vein location and can be confused for thrombophlebitis. [citation needed] Lymphangitis resulting from bed bug bites. Chronic lymphangitis is a cutaneous condition that is the result of recurrent bouts of acute bacterial lymphangitis. [10]: 261