Section 6 Types of Tissue OBJECTIVES: Upon completing this section‚ you will be able to: 1. Define the word histology. 2. Name and briefly describe the four basic types of tissue. 3. Name the three subtypes of simple epithelial tissue. 4. List the five main subtypes of connective tissue. 5. Name the three subtypes of muscle tissue. 6. Name the two types of nerve tissue. 68 Section 6 Types of Tissue HISTOLOGY Histology is the microscopic study of cells‚ tissues‚ and organs. Also called
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CERVICAL CANCER Cervical Cancer Jonathan MacNayr Cape Cod Community College Cervical Cancer I chose to do my research paper on Cervical Cancer. I did this because this is the disease that took the life of my fiancés mother. It has been to my understanding that this would mean she is at a higher risk for this disease. I have put together five questions that I would like to research on the topic to give myself a further understanding of the potential dangers of Cervical Cancer. These questions
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symptoms‚[6] and the later symptoms are usually nonspecific and varied.[6] Therefore‚ pancreatic cancer is often not diagnosed until it is advanced.[6] Common symptoms include: Pain in the upper abdomen that typically radiates to the back[6] (seen in carcinoma of the body or tail of the pancreas) Heartburn - acid stomach Poor appetite or nausea and vomiting[6] Diarrhea‚ loose stools. Significant weight loss (cachexia) Painless jaundice
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Contents Oncogene An oncogene is a kind of abnormal gene that predisposes cells to develop into cancers. Unlike normal genes‚ which can be turned off after being turned on‚ oncogenes are altered in a way that keeps them stuck in a state of constant activity. That uninterrupted action helps drive the uncontrolled growth that underlies tumors. Oncogenes can be turned on by inherited changes - ones that are passed down from parent to child - or by cancer-promoting agents that
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1.What Is Cancer? CANCER‚ a 6 letter word that makes our world upside down. Cancer is not just one disease‚ but a large group of almost 100 diseases. Its two main characteristics are uncontrolled growth of the cells in the human body and the ability of these cells to migrate from the original site and spread to distant sites. If the spread is not controlled‚ cancer can result in death. 2.How does cancer occur? The body is made up of trillions of living cells. These cells grow‚ divide‚ and die in
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is __senile lentigo__. 3. Loss of ___elastin fibers (elasticity)___ results in wrinkles. 4. Dry skin‚ or __xerosis__‚ is likely to result in itching‚ or __pruritus___. 5. Common skin disorders in older adults include: a. carcinoma b. melanoma c. pressure ulcers d. inflammation e. infections f. senile purpura 6. Loss of subcutaneous tissue can reduce the ability of older adults to regulate body temperature‚ leading to an increased risk
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Sun tanning describes a darkening of the skin (especially of fair-skinned individuals) in a natural physiological response stimulated by exposure to ultraviolet (UV) radiation from sunshine or from artificial sources such as a tanning bed. With excessive exposure to ultraviolet‚ a sunburn can develop. Cause and effect Two different mechanisms contribute to the UV-induced darkening of the skin. Firstly the UVA-radiation generates oxidative stress which in turn oxidises pre-existing melanin. This
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10: Living with Cancer and Other Chronic Conditions Key Terms regulatory gene Genes that control cell specialization‚ replication‚ DNA repair‚ and tumor suppression. oncogenes Faulty regulatory genes that are believed to activate the development of cancer. proto-oncogenes Normal regulatory genes that may become oncogenes. metastasis The spread of cancerous cells from their site of origin to other areas of the body. benign Noncancerous; localized nonmalignant tumors contained within a
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Cancer in History In ancient Egypt‚ fossilized bone tumor was among the earliest evidence of cancer found human mummies and ancient manuscripts. Hippocrates‚ a well known ancient Greek physician‚ used the word “carcinoma” that described different types of cancers. The bodies of the mummies have shown growth indicated of bone cancer. The oldest information of cancer was found in Egypt back in 1600 B.C. What is Cancer? Cancer begins when the cells life cycle is abnormal. Instead of dying‚ the
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Disease Severity and Life Quality The Psoriasis Area Severity Index (PASI) is a tool developed in 1978 by Fredricksson and Pettersson to evaluate the severity of psoriasis. The result of the PASI may vary from 0 to 72. Body Surface Area (BSA) can be used to evaluate the severity of psoriasis. The percentage of BSA affected by psoriasis‚ with one palm of the patient equivalent to 1%. Also‚ the Dermatology Life Quality Index (DLQI) is a10-item survey evaluating the quality of life in patients with
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