NettetIndividualized dosimetry in nuclear medicine is currently at least advisable in order to obtain the best risk–benefit balance in terms of the maximal dose to lesions and under-threshold doses to radiosensitive organs. This article aims to propose a procedure for fast dosimetric calculations based on planar whole-body scintigraphy (WBS) images … Nettet# Neoplasia of blood vessel is called: A. Angioma B. Haematoma C ... # Least sensitive phase of a cell cycle to radiation is: A. S phase B. G1 ... A. Spermatogonium B. Endothelium C. Smooth muscle D. Alimentary canal lining # The least radiosensitive cell is: A. Endothelium B. Alimentary canal mucosal cells C . Lining ...
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Nettet15. jul. 2004 · Multiple pathways are involved in maintaining the genetic integrity of a cell after its exposure to ionizing ... The cell cycle phase also determines a cell's relative radiosensitivity, with cells being most radiosensitive in the G(2)-M phase, less sensitive in the G(1) phase, and least sensitive during the latter part of the S ... NettetThe most radio-sensitive cells are those which: have a high division rate have a high metabolic rate are of a non-specialized type are well nourished Examples of various tissues and their relative radiosensitivities are listed below. High Radiosensitivity Lymphoid organs, bone marrow, blood, testes, ovaries, intestines Fairly High Radiosensitivity how to stop a ceiling fan from wobbling
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Nettet31. mar. 2013 · In addition, the epithelium of the digestive tract is constantly metabolized and is also highly sensitive to radiation. On the other hand, nerve tissues and muscle … Nettet12. jan. 2024 · Peripheral blood lymphocytes are incredibly sensitive to apoptosis and are very radiosensitive despite being Group IV. Other peripheral blood cells (granulocytes, RBCs, and platelets) are very radioresistant. Therefore, the latency time of cytopenias after RT is based on the lifespan of the differentiated cell (Fig. 25.1). Nettet28. jan. 2024 · Radiation-induced cell death of different blood cells from the myeloid and lymphoid lineage. (a) After radiation treatment, significantly more cells of the lymphoid … react to mario reacts to nintendo memes