types of muscular tissue: skeletal‚ cardiac‚ & smooth. All 3 may share some things but they differ from one another in their microscopic anatomy‚ location‚ & how they are controlled by the nervous and endocrine systems Skeletal muscle tissue function of most is to move bones of the skeleton (are few that attach to other structures ex--the skin). Muscle tissue is striated b/c alternating light and dark protein bands (striations) are visible when tissue is closer examined. Muscle tissue action is voluntarily/activity
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Skeletal dysplasias are a group of disorders characterized by abnormalities in the growth and remodeling of cartilage and bone. These dysplasias affect the skull‚ spine‚ and extremities. Achondroplasia is the most common type of skeletal dysplasia. It is a genetic condition that results in abnormally short stature with disproportionately short limbs. It occurs in about 1 in every 15‚000 to one in 40‚000 births. In approximate 80% of the cases‚ it is caused by a spontaneous mutation to the FGFR3 gene
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Background Information Muscles in the human body can be classified into three different types- cardiac‚ smooth and skeletal muscles. The skeletal muscles are the muscles that can be controlled voluntarily‚ in things such walking and picking things up. The skeletal muscles are made up of bundles of muscle fibres (which are also known as myofibrils‚ as can be seen below). Each of the muscle fibres contain many sarcomeres‚ which is the most basic form of striated muscle tissue- they consist of two
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Biceps Femoris Muscle The Biceps Femoris is a muscle of the posterior (the back) thigh. As its name implies‚ it has two parts‚ one of which (the long head) forms part of the hamstrings muscle group. Origin and insertion It has two heads of origin; one‚ the long head‚ arises from the lower and inner impression on the back part of the tuberosity of the ischium‚ by a tendon common to it and the semitendinosus‚ and from the lower part of the sacrotuberous ligament the other‚ the short head‚
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Outline Spinal Cord‚ Spinal Nerves‚ Somatic Reflexes-Chapter 13 Reflexes- they are involuntary stereotyped responses to stimuli‚ they involve the brain‚ spinal cord‚ and peripheral nerves Spinal cord- cylinder nervous tissue that begins at the foramen magnum and passes through the vertebral canal as far as the inferior margin of the first lumbar vertebrae (L1)‚ 18 inches long and ½ inches wide Anterior Median Fissure- in the front‚ deeper Posterior Median Sulcus- in the back‚ shallow ▪Two Enlargements
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"The Politics of Muscle" by Gloria Steinem is an essay arguing the difference in strength between men and women. Steinem starts her essay by stating how she grew up in a generation where women didn’t participate in a lot‚ if any‚ sport activities. She goes on to say that she believes this is the reason why women of her generation believe that it’s not what the female body does‚ but how it looks. Steinem feels that women always seemed to be owned in some degree as the means of reproduction. She believes
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operated by Castlebeck Care Limited. It was designed to accommodate 24 patients in two separate wards‚ and it was registered as a hospital providing assessment‚ treatment and rehabilitation for people with learning disabilities. What did the Government Review find? Patients stayed at Winterbourne View for too long and were too far from home There was an extremely high rate of ‘physical intervention’ – well over 500 reports in a 15 month period Mulitple agencies failed to pick up on key warning
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Thomas Warner Research Paper Regulation of Muscle Hypertrophy Our skeletal muscles make up 40-50% of our total mass and are essential for all humans to move‚ breath‚ and stand up straight. For the first 20 years of our lives and for those physically active after our muscles are continually growing. Satellite cells are responsible for this growth in our skeletal muscle and are referred to as muscle stem cells. When skeletal muscle cells are traumatized due to physical trauma or disease the regeneration
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Tissues in the Body Unit 5 – Anatomy and Physiology for Health and Social Care Epithelial Cuboidal – cube shaped‚ prominent nucleus. Can be found in medulla of kidney. Does not allow for passive diffusion easily. Columnar – tall‚ vertical‚ thick cells. Can be found in the small intestine. Does not allow passive diffusion easily. Active transport is needed. Move nutrients from intestine to blood = absorption! Can have microvilli to increase surface area. Squamous – large‚ thin and prominent
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the body. These are just a few of the many contributors who added to our understanding of the human body and how it functions. Anatomy is the study of the structure or morphology of the body and how the body parts are organized. | | | Physiology is the study of the functions of body parts‚ what they do and how they do it. These two areas of the organization of the body are so closely associated that it is difficult to separate them. For example‚ our mouth has teeth to break down food mechanically
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