PPT-Tissue Effects of Radiation at the Cellular Level

Jeffrey Bryan DVM MS PhD DACVIMOncology bryanjnmissouriedu Cellular Radiation Effects Cell membrane Alteration in permeability Cellular organelles Functional Aberrations Nuclear membrane Altered permeability amp Function . Biology. Rad T 290. Objectives – Radiation Biology. Radiosensitivity. Somatic Effects. Embryonic and Fetal Risks. Genetic Effects. Patient Interactions. **Photoelectric**. Classic Coherent Scatter. Robin Hogan. ECMWF and University of Reading. Contributions from: . Sophia . Schäfer. , Christine . Chiu (University of Reading). Carolin. . Klinger, Bernhard . Mayer (LMU Munich). Susanne . Crewell. Chris Bankers. 4/29/2016. Abstract: . The effects of radiation can be permanently damaging to a device. Failure of these circuits can result in the loss of multi-million dollar products and human life. To diminish radiation effects, “. Jeffrey Bryan, DVM, MS, PhD, DACVIM(Oncology). bryanjn@missouri.edu. Cellular Radiation Effects . Cell membrane - Alteration in permeability. Cellular organelles - Functional Aberrations . Nuclear membrane - Altered permeability & Function . Brock Liden DPM. Cellular Tissue Product. What are they. Advanced modalities . Single layer / Bi-layer. No side orientation / side specific . Cellular or A-cellular tissue products . Apligraf. , . DermaGraft. Radiation Biology. Branch of biology concerned with the effects of ionizing radiation on living systems. Includes. Sequence of events occurring after the absorption of energy from ionizing radiation. Dr. . Mohd. . Kalim Ansari. Assistant Professor. Oral and Maxillofacial Surgery. Contents . Introduction . Definition. Incidence . Pathophysiology. Types of ORN. Clinical features. Management. . Introduction . . ADAPTATION . TO ENVIRONMENTAL STRESS. Lab:2&3. Proliferative endometrium . A. . A section of the uterus from a woman of reproductive. . age reveals a thick endometrium composed of proliferative glands in an abundant . and . Risk . Anthony Waker. Faculty of Energy Systems and Nuclear Science. External Exposure. The source is external to the body. Types of Exposure. CT Scanner: A few to 10s of . mSv. per examination. Nuclear. . radiation: . Arises from hundreds of different kinds of unstable atoms, created in nuclear reactions. .. Ionizing radiation: . Emitted as unstable items. , . which can damage living tissue. Submission to the BEIS meeting. London Sept 12. th. 2017 . Christopher Busby. Scientific Secretary. European Committee on Radiation Risk. 1117 Latvian Academy of Sciences, Riga. christo@greenaudit.org. stage . MSc . Etab. A. AL-. Mosawe. Cellular adaptation . This . process of adaptation can involve changes in cellular size, number or type.. Atrophy , Decrease in size of a cell or tissue. Atrophy is generally a reversible process, except for atrophy caused by loss of nervous innervation to a tissue.. STRATOSPHERIC OZONE DEPLETION. CLIMATE EFFECTS AND FEEDBACKS. OZONE DEPLETING SUBSTANCES. 36. th. Open-ended Working Group of . the Parties to the. United Nations Montreal Protocol. 20-24 July 2015. Cellular injury. Cellular injury . can occur in a number of different ways. The extent of injury that cells experience is often related to the intensity and duration of exposure to the injurious event or substance. Cellular injury may be a reversible process, in which case the cells can recover their normal function, or it may be irreversible and lead to cell death. .