Unit 4 Lecture Study Guide Use the lecture folder to help you complete this guide. The more detail you can provide the better prepared for the test you will be. 1. What is the integumentary system and its primary characteristics? The integumentary system is the skin and its derivatives; it provides external protection for the body. Its characteristics are: covers the entire body‚ accounts for about 7% of total body weight‚ pliable‚ yet durable‚ thickness: 1.5 to 4.0 mm‚ composed of the epidermis
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STEM CELLS® TISSUE-SPECIFIC STEM CELLS Current Concepts in Bone Marrow Microenvironmental Regulation of Hematopoietic Stem and Progenitor Cells Julianne N. P. Smith and Laura M. Calvi Key words. Adult haematopoietic stem cells Bone marrow Bone marrow stromal cells Hematopoiesis Hemopoietic stem cells Osteoblast Stem cellmicroenvironment interactions Endothelial cell ABSTRACT “Within the microanatomy of mammalian bone‚ hematopoietic stem and progenitor cells (HSPCs) interact with numerous
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distress and a particular area is under attack‚ white blood cells rush in to help destroy the harmful substance and prevent illness. White blood cells are produced inside the bone marrow and stored in your blood and lymphatic tissues. Because some white blood cells have a short lifespan of one to three days‚ your bone marrow is constantly producing them. Types of white blood cells Among your white blood cells are: Monocytes. They have a longer lifespan than many white blood cells and help to break
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The Chemical Components of Bone Questions A. Describe the effect that the lemon juice (acid) had on the chicken leg bone. When you soak the chicken bone in the lemon juice‚ it pulls out the calcium from the bone which makes the bone very weak. Because of this‚ you can actually bend and twist the bone. The bone marrow just squeezes out‚ and the bone is like rubber. B. Describe the effect that baking (heat) had on the chicken leg bone. When you bake the bone‚ the heat forces the collagen
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OSTEOMYELITIS Definition: Osteo- derived from the Greek word osteon meaning bone‚ myelo meaning marrow and –it is meaning inflammation‚ simply means an infection of the bone or bone marrow that results in inflammation‚ necrosis and formation of new bone. Types: 1. Acute osteomyelitis - Bone infection develops within two weeks of an initial infection‚ injury or the onset of the underlying disease. 2. Sub-acute osteomyelitis - Bone infection develops within one to two months of an initial infection‚
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M5 Assignment: Anemia of Chronic Disease 1. Differentiate between absolute and functional iron deficiency in the context of ACD and IDA. Absolute iron deficiency is when the stores of iron are depleted and bone marrow iron is absent‚ resulting in low serum ferritin and low transferrin saturation. Simple absolute iron deficiency usually results in iron deficiency anemia and can be resolved with iron supplementation. Functional iron deficiency results in anemia of chronic disease/inflammation
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Imagine being the parent of a sick child dying of a curable disease and the only chance of survival is to find a near perfect-matched donor for blood and possibly bone marrow transplantation. After exhausting all the possible searches for a usable match and being unable to do so‚ you are told by the physician that there is a procedure that would be helpful. But this procedure would involve the conception of another child that would be the donor‚ starting at birth‚ for your dying child. What would
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White/Yellow color‚ fat-like | Feather Follicles | Holds the feathers | Little Bumps‚ hair-like | Cartilage | Acts as a cushion between joints. Prevents bones from rubbing against each other. | Cloudy‚ almost clear layer at the ends of the bone‚ tough. | Bone | Support‚ protection‚ give muscles a place to attach‚ makes blood in marrow‚ stores calcium and other materials. | Very hard‚ grayish-white in color‚ strong‚ connected to muscles. | Muscle | Movement‚ maintain posture‚ maintain body
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begin to grow out of control. Any cells in the body can produce cancer‚ and diffuse throughout the other parts of the body. Chronic Myelogenous Leukemia also known as chronic myeloid leukemia (CML)‚ occurs in the blood forming cells of the bone marrow. Bone marrow function
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Aplastic Anemia Definition Pancytopenia resulting from aplasia of the B.M. classified into primary and secondary types. Definition the bone marrow produces too few of all three types of blood cells: red cells‚ white cells‚ and platelets (pancytopenia) Causes A-Primary: 1- congenital (as Fanconi’s anemia). 2- Idiopathic acquired (67% of cases). Causes B- secondary: 1-chemicals (benzene‚ toluene‚ glue sniffing). 2-drugs (chemotherapeutics‚ antibiotics
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