tumour could be benign or malignant This is subclassified into epithelial or mesenchymal in origin. Other types: lymphoma‚ melanoma Epithelial: non glandular (squamous‚ transitional‚papilloma Glandular(adenoma/ adenocarcinoma Seminoma tends to spread to lymph node along the iliac artery and aorta and highly radiosensitive i.e. responds well to radiotherapy. Embryonic carcinoma of the testis is not radiosensitive and tends invade locally beyond the confines of the testis and spread throughout the body
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cervical cancers is squamous cell carcinomas‚ which form cells in the exocervix. It also the most common form of cervical cancer. Squamous carcinoma makes up approximately 90% of cervical carcinoma cases (Cancer Quest‚ 2016). The second type develops from gland cells and is called adenocarcinomas‚ which is formed in the endocervix. According to American Cancer Society‚ Adenocarcinomas has become more common in the last 20 to 30 years. The third type is adenosquamous carcinomas‚ which is rare‚ and it shows
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Tanning is a dangerous activity and though many people know why‚ they continue to partake in the activity. Tanning is dangerous because it requires the body to receive an overexposed amount of ultra violet radiation (Addicted to the Tan.) Even though tanning has faded in and out throughout the years‚ tanning is a popular activity among this generation. The effects of tanning are not only harmful‚ they are deadly as well. Most people think if tanning as an activity that only occurs during the summertime
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Safety of Sunscreen The sun’s rays have powered life on our planet since its creation‚ and have made life possible for all living things. The sun is one of the most important elements of the universe‚ but in recent years has only been condemned for some of its harmful effects on humans. Lately‚ all that is heard about the sun anymore is how can be harmful and how protection from overexposure is needed. Many people are scared of dangerous overexposure effects such as sunburn‚ premature aging of the
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The skin is the biggest organ in the body and is responsible for many functions in the body. In many ways‚ the skin provides numerous important functions to the body. The skin is broken into 3 main layers‚ the epidermis‚ the dermis‚ and the hypodermis. The epidermis is the outer layer of the skin which includes 3 different cells: Keratinocytes that produce keratin‚ Melanocytes that produce melanin‚ and Dendritic cells that combine with nerve endings. The dermis is the middle layer‚ which is made
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SPECIAL SENSES EYES – the organs of sight. We learn much about the environment through these senses. IMPORTANCE: We learn about the people‚ things and happenings around us. To students‚eyes are very important. Eyes makes students understand their lessons better by observing‚ reading ang analysing facts. With the eyes we may avoid accidents ant other cicumstances that makes us sick. COMMON AILMENTS: 1st Group • Myopia - nearsightedness‚ clearly sees object near them. Concave
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1. What is the integumentary system and its primary characteristics? System that contains hair‚ skin‚ and oils. It covers the whole body‚ is 7% of weight‚ and is very thin. 2. Describe and give at least one example of each of the functions of the integumentary system. Protection- different barriers to keep pathogens out. Ex- sebum Body temperature regulation- helps with homeostasis. Ex- production of sweat Sensory- receptors in the skin detect different things. Ex- nerve endings detect pain
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Pathophysiology Main article: Carcinogenesis Cancers are caused by a series of mutations. Each mutation alters the behavior of the cell somewhat. Cancer is fundamentally a disease of failure of regulation of tissue growth. In order for a normal cell to transform into a cancer cell‚ the genes which regulate cell growth and differentiation must be altered.[40] The affected genes are divided into two broad categories. Oncogenes are genes which promote cell growth and reproduction. Tumor suppressor
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HOW CANCER CELLS WORK A diagnosis of cancer can be devastating. And there is good reason for this fear -- Cancer is the second leading cause of death in the United States next to heart disease‚ and will claim more than half a million lives this year. Cancer also known as a malignant tumor or malignant neoplasm‚ is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. Not all tumors are cancerous;benign tumors do not spread to other
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Case Study on Melanoma Cody Wendell‚ Emily Turner‚ Aaron Nestor‚ Janie Williams 1. Cancer‚ a medical condition in which the cells start to mutate and multiply. Creating cells that have no purpose and cause major problems within the body. Biopsy‚ the medical process of cutting of a sample of the infected tissue to examine and observe to see what is wrong and how the disease is affecting the tissue. Tumor‚ a large group of cancerous cells within the body‚ often
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