caused many deaths all over the world in the past couple of centuries‚ it’s the ovarian cancer. According to medical news today: “Ovarian cancer refers to any cancerous growth that occurs in the ovary. The majority of ovarian cancers arise from the epithelium (outer lining) of the ovary” (medicalnewstody.com). For the year 2016 roughly 22‚280 (1.3%) women got diagnoses with ovarian cancer and for 14‚240 (2.4%) it lead to their death. However‚ for the past 5 years the percentage for women surviving ovarian
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Approximately‚ 30% to 40 % of women older than 50 years old are affected‚ however after the age of 60‚ 50% of women shows signs of duct ectasia (Rahal‚ De Freitas-Junior‚ & Paulinelli‚ 2005). More so‚ the subareolar ducts are clogged with desquamating epithelium‚ necrotic debris‚ and chronic inflammatory cells. In addition‚ there are periods of inflammation‚ and a spontaneous‚ sticky‚ multicolored nipple discharge‚ characterized by pain and tenderness (Dains‚ Baumann‚ & Scheibel‚ 2016). Intraductal
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models Life size Wall Chart. 2. Slides - Identify artery‚ vein‚ capillary and aorta. - Identify the three tunics (wall layers) in all vessels and the tissue that composes each tunic. Tunica interna (intima)- endothelium (simple squamous epithelium) Tunica media- smooth muscle Tunica externa (adventitia)- connective tissue - Know the blood oxygenation level of systemic arteries and veins. - Identify vessel types and wall layers on model. 3. Special Circulations - identify blood
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ASSIGNMENT | DESMOSOME STRUCTURE & ITS FUNCTIONS | Bricks in a building must be stuck together and also tied somehow to the foundation. Similarly‚ cells within tissues and organs must be anchored to one another and attached to components of the extracellular matrix. Cells have developed several types of junctional complexes to serve these functions‚ and in each case‚ anchoring
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Contrast the composition of the four layers in the wall of the alimentary canal. a. Mucosa or mucous membrane—surface epithelium‚ underlying connective tissue‚ and a small amount of smooth muscle‚ b. Submucesa—loose connective tissue‚ glands‚ blood vessels‚ lymphatic vessels‚ and nerves. c. Muscular layer—two coats of smooth muscle tissue. d. Serosa or serous layer—epithelium on the outside and connective tissue beneath. 4. Distinguish between mixing movements and propelling movements. A
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Organisms have complex and extraordinary tools for sensing their environments. These tools have been honed to enable them to efficiently navigate the world around them. As a result‚ each and every organism alive today is the product of natural selection. Over time‚ this acquired set of skills evolved into the five common senses; sight‚ smell‚ touch‚ hearing‚ and taste. Taste is one of the most valuable ways an organism can interact with its environment‚ since the ability to identify and process the
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Cancer is a word that no one wants to hear or think about‚ however there are many people that are faced with this ugly word every day. The denotative definition of cancer is a malignant and invasive growth or tumor‚ especially one originating in epithelium‚ tending to recur after excision and to metastasize to other sites. To many Americans cancer is so much more than this definition‚ it is estimated that 1‚638‚910 men and women will be diagnosed with cancer in 2012 according to the national
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Introduction Albinism is the state or condition being an albino. Also it is often caused by the absence of tyrosinase‚ an enzyme essential for the production of cellular pigment. Albinism is a form of hypopigmentary congenital disorder‚ characterized by a partial hypomelanism or total lack of melanin pigment in the eyes‚ skin‚ and hair. Albinism results from inheritance of recessive alleles. Also another term used for albinism is an albino. Albinism is hereditary; it is not an infectious disease
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The brain and spinal cord are made up of many cells‚ including neurons and glial cells. Neurons are cells that send and receive electro-chemical signals to and from the brain and nervous system. There are about 100 billion neurons in the brain. There are many more glial cells; they provide support functions for the neurons‚ and are far more numerous than neurons. There are many type of neurons. They vary in size from 4 microns (.004 mm) to 100 microns (.1 mm) in diameter. Their length varies from
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An adult hermaphrodite of C. elegans has the lesser amount of internal tissues and organs with unsegmented‚ bilaterally symmetrical‚ a cylinder-shaped body that is pointed at the ends. It has an outer covering (i.e.‚ body wall made up of cuticle‚ hypodermis‚ neurons‚ muscles and excretory and an inner tube contains the pharynx‚ intestine. An outer tube and an inner tube is partitioned by pseudocoelomic space and also the tissues controlled by an osmoregulatory system. In C.elegans head‚ the pharynx
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