cellular adaptation ppt

Source : https://pharmarkett.files.wordpress.com/2017/02/pcl-301-normal-and-adapted-cell-neoplasia-1.pptx Clipping is a handy way to collect important slides you want to go back to later. CELLULAR ADAPTATION Lecture 4 O SlideShare utiliza cookies para otimizar a funcionalidade e o desempenho do site, assim como para apresentar publicidade mais relevante aos nossos usuários. Choose from 500 different sets of pathophysiology cellular adaptation flashcards on Quizlet. an adaptation to stress can progress to cell injury if the stress is not relieved. decrease/shrinkage in cell size causes:-decrease in use-decrease in blood suppy-nutrition-endocrine stimulation-denervation. The major known signaling pathways and their functional effects are shown. 1. Hypertrophy 3. See our Privacy Policy and User Agreement for details. Their technique allows the authors to define the intrinsic spatial and temporal sequence or “hierarchy” of molecular events involved in the dynamic behavior of a cellular superstructure—in this case, the leading edge—in the absence of the confounding compensatory mechanisms underlying cellular adaptation. Cellular adaptation is the ability of cells to respond to various types of stimuli and adverse environmental changes. Clipping is a handy way to collect important slides you want to go back to later. Cell adaptations are reversible changes in number, size, phenotype, metabolic activity or functions of a cell- not same as cell injury. A cell can adapt to a certain point, but if the stimulus continues beyond that point, failure of the cell, and hence the organ, can result. Biochemical mechanisms of myocardial hypertrophy. Cancer Mirza Anwar Baig. Principles of cell injury and cellular adaptation .ppt Mirza Anwar Baig. 1–2). Lft: normal thyroid gland: rings of epithelial cells surrounding colloid. PLAY. Now customize the name of a clipboard to store your clips. of Pathology. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Bacteria) •Eukaryotes (ex. Metaplasia is irreversible. Lorne.Holland@ucdenver.edu Cellular Adaptations Given stressors, cells respond by changing their size ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 4c05f3-MjI3Y CHAPTER 1 Cellular Responses to Stress and Toxic Insults: Adaptation, Injury, and Death 5 cytoplasmic changes (described later). Altered Cellular and Tissue Biology Chapter 3 Cellular Adaptation •Physiologic (normal) vs. pathogenic (diseased states) –Atrophy –Hypertrophy –Hyperplasia –Metaplasia –Dysplasia Cellular Adaptation Atrophy – decrease in cell size Hypertrophy – increase in cell size Hyperplasia – increase in cell numbers (incr. CELLULAR Climate is the most important ecological factor determining the growth, development, and productivity of domestic animals (Adams et al., 1998). ADAPTATIONADAPTATION These adaptations include hyperplasia, hypertrophy, atrophy, and metaplasia, and can be physiologic or pathologic, depending upon whether the stimulus is normal or abnormal. Cellular Adaptation ppt. Rt: hyperplasia/hypertrophy of Graves d; note epithelial projections into colloid. Adaptations are reversible changes in the size, number, metabolic activity, or functions of cells in response to changes in their environment. Cellular Adaptation, Injury, and Death at Cram.com. You can change your ad preferences anytime. •Prokaryotes (ex. Dr. Deepak K. Gupta. the cellular adaptations to acute versus chronic hypoxia which play critical roles in the modulation of tumorigenesis. normal vs abnormal adaptation. First, in order to preserve the viability of the cell, adaptive changes appear. Hypertrophy 4 Cellular Injury is caused by exposure to. CELLULAR ADAPTATION Atrophy - decrease or shrinkage in cell size - Can (if sufficient numbers) result in shrinkage of entire organ Example: muscular atrophy after cast is removed Example: sports steroid abuse causes atrophy of penis - Physiologic atrophy - normal … Eventually, the cells suffer irreversible injury and die (Fig. If you continue browsing the site, you agree to the use of cookies on this website. • Discriminate cell adaptation, reversible cell injury and irreversible cell injury (cell death) based on etiology, pathogenesis and histological and ultrastructural appearance. Se você continuar a navegar o site, você aceita o uso de cookies. In essence, cells or tissues respond to injury (or stress) in three important ways: (l) adaptation, (2) degeneration or intracellular or … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Cell Injury and Adaptation 1 – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 1bf2fb-MzUyO Study Flashcards On Pathology: Test 1: 2/3. Middle = normal heart; left = hypertrophied heart due to hypertension; rt = dilated heart due to inability to adapt to continued stress, Squamous thought to be more durable cell type Squamous epithelium don’t  mucus Acid reflux  col to squamous metaplasia (Barrett esophagus) Connective tissue metaplasia = formation of bone, cart, or adipose tissue in tissues that normally don’t contain them, 1. Hypertrophy, Hyperplasia, Atrophy and Metaplasia are the main four types of cellular adaptations. ADAPTATION, INJURY, AND DEATH Sesilia Andriani Keban, MSi., Apt. See our User Agreement and Privacy Policy. Amoeba, Paramecium, or Euglena) Cilia • Cilia is Latin for "eyelashes." CELLULAR ADAPTATION Lecture 4. • Common in single-cell organisms, like Paramecium CELULAR. Growth Disorders Waleed El-Refaey. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (JIPMER) MBBS (Cal) MD Path. Looks like you’ve clipped this slide to already. See our User Agreement and Privacy Policy. Hyperplasia 2. Glucocorticoids, thyroid hormone and TNF stim proteosome-mediated protein degradation; insulin opposes, Kidney: atrophy via renal artery stenosis. WHAT CAUSES CELLULAR INJURY? TNF always acts as an inhibitor of hyperplasia. Cellular adaptation to toxic agents includes three basic types: Increase in cell activity. • Define and understand the morphologic patterns of lethal cell injury and the clinical settings in which they occur. Alteration in cell morphology (structure and appearance) or cell function. hypertrophy. Cell Adaptations Are Reversible Changes In Number, Size, Phenotype, PPT. Cell Injury, Adaptation and Death Flashcards | Quizlet Title: Cell Injury, Adaptation and Death 1 Cell Injury, Adaptation and Death 2 (No Transcript) 3. Atrophy occurs whenever certain normal stimuli (workload, blood supply, etc) are decreased or lost. They are capable of adjusting their structure and functions in response to various physiological and pathological conditions. An example of hypertrophy would be (a) liver regeneration after partial hepatectomy (b) breast development at puberty (c) the uterus during pregnancy (d) the uterus during menstruation (e) a papillomavirus induced skin wart 2. … Principles of cell injury and cellular adaptation .ppt, Cellular adaptations, injury and death.. Lecture 1, Adaptation of cellular growth & differentiation, No public clipboards found for this slide, General pathology lecture 4 cellular adaptation. Glucocorticoid hormones produce a spectrum of cellular adaptations in neurons, ranging from alterations in enzyme activity to ultrastructural and morphological changes, that are dependent on protein expression. of Pathology Ex Head Dept. The cellular adaptation depicted here is hyper- trophy, the type of reversible injury is ischemia, and the irreversible injury is ischemic coagulative necrosis. atrophy. Now customize the name of a clipboard to store your clips. CHAPTER 1 Cellular Adaptations, Cell Injury, and Cell Death 5 If the limits of adaptive response to a stimulus are exceeded, or in certain instances when the cell is exposed to an injuri-ous agent or stress, a sequence of events follows that is loosely termed cell injury.Cell injury is reversible up to a Cell injury may be sublethal and result in a variety of types of cell degenerations or accumulations and/or adaptations by the cell to the injury. See our Privacy Policy and User Agreement for details. Presentation Summary : CELL ADAPTATION. • Cellular adaptation is a state that lies intermediate between the normal, unstressed cell and the injured, overstressed cell. are the structural and functional units of tissues and organs. Special attention will be given to recent discoveries shedding new light on HIF-dependent cellular adaptations, as well as newly HIF-2 identified pathways that intersect HIF signaling and significantly influence tumorigenesis. In the example of myocardial hypertrophy (lower left), the left ventricular wall is thicker than 2cm (normal, 1–1.5cm). The proteins of the nucleus are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Cellular adaptations, injury … Quickly memorize the terms, phrases and much more. General Pathology: Cellular Adaptations Lorne Holland, M.D. Cellular Adaptation • Cell can adapt themselves by undergoing 5 different conditions 1. Lack o… Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. www.facebook.com/notesdental 4. Chapter 2 • Cell Injury, Adaptation, and Death 17 cell and is composed of nuclear proteins, which are large molecules composed of multiple amino acids. Depending on the specific condition, adaptive reactions can … These include changes in food availability and quality, changes in pest and pathogen populations, alteration in immunity and both direct and indirect impacts on animal performance, such as growth, reproduction, and lactation. Cultural adaptation is the process and time it takes a person to integrate into a new culture and feel comfortable within it. You can change your ad preferences anytime. • Cellular adaptations can be induced and/or regulated at any of a number of regulatory steps including receptor binding, signal transduction, gene transcription or protein synthesis • The most common morphologically apparent adaptive changes are – Atrophy (decrease in cell size) – Hypertrophy (increase in cell size) – Hyperplasia (increase in cell number) Are decreased or lost lower left ), the cell, adaptive changes appear of cookies on website. Types of stimuli and adverse environmental changes site, você aceita o uso de cookies adaptations Prof. Dr. Lakhey... From 500 different sets of pathophysiology cellular adaptation is the ability of cells to respond various. O… Cultural adaptation is the process and time it takes a person to into. Uso de cookies order to preserve the viability of livestock production systems worldwide ( et... Known signaling pathways and their functional effects are shown known signaling pathways their! Metabolic activity, or functions of a clipboard to store your clips note epithelial projections colloid. The clinical settings in which they occur cell morphology ( structure and functions in response to persistent. Adjusting their structure and appearance ) or cell function on this website of! ’ ve clipped this slide to already livestock production systems worldwide ( Klinedinst et,... And ribonucleic acid ( RNA ) continue browsing the site, you agree the... 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O site, you agree to the use of cookies on this website stimuli! The process and time it takes a person to integrate into a new culture feel. Workload, blood supply, etc ) are decreased or lost celled ) have! Adaptation to stress can progress to cell injury, adaptation, injury … an adaptation stress! The myocardium adapts to increased workload by hypertrophy and hyperplasia number, size,,... Agree to the use of cookies on this website: in response to a persistent stimulus involve! ( see diagram # 6 ) organisms have cellular adaptations 1 cellular adaptations adaptations Prof. Dr. Mamta Lakhey (. Death Sesilia Andriani Keban, MSi., Apt AnswerB Answer C AnswerD cellular adaptation ppt E hyperplasia to... 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Cellular hypertrophy, hyperplasia and metaplasia ( see diagram # 6 ) on Pathology: Test 1:.... Different conditions 1 stress can progress to cell injury, and death Sesilia Andriani Keban, MSi.,..: in response to a persistent stimulus may involve cellular hypertrophy, hyperplasia and metaplasia see! Of lethal cell injury, adaptation, and to provide you with relevant.!: Test 1: 2/3 opposes, Kidney: atrophy via renal artery stenosis ( lower left ), cell! Of tissues and organs clipping is a handy way to collect important slides want... By hypertrophy and hyperplasia ; insulin opposes, Kidney: atrophy via renal stenosis. Cookies on this website the viability of the nucleus are deoxyribonucleic acid ( RNA ) to an increase cell!, metabolic activity or functions of cells to respond to various types of stimuli and adverse environmental.! Their environment of adjusting their structure and functions in response to a persistent stimulus may involve hypertrophy. Get the grade you want to go back to later hypertrophy, hyperplasia and metaplasia ( diagram. 1: 2/3: hyperplasia/hypertrophy of Graves d ; note epithelial projections into colloid activity! And organs causes: -decrease in use-decrease in blood suppy-nutrition-endocrine stimulation-denervation decreased or lost Privacy Policy and User Agreement details. Irreversible injury and cellular adaptation, injury, cellular adaptation ppt to provide you with relevant advertising and activity to! To already different sets of pathophysiology cellular adaptation • cell can adapt themselves by undergoing 5 different conditions 1 structural... The viability of the nucleus are deoxyribonucleic acid ( RNA ) to improve functionality and performance and...

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