2. Compare the development of lymphocytes with other formed elements. B lymphocytes develop in red bone marrow‚ T lymphocytes develop in red bone marrow and mature in the thymus; the other formed elements develop in red bone marrow 3. What is erythropoiesis? Which factors speed up and slow down erythropoiesis? Erythropoiesis is the process by which red blood cells (erythrocytes) are produced. If you lose a lot of blood‚ erythropoiesis will speed up; anemia can cause erythropoiesis to slow down
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Cell Wall- The cell wall is a rigid structure outside the cell membrane that supports and protects the cell. The cell wall is made of tough cellulose fibers and other materials made by the cell. Analogy- In a restaurant the building itself supports the restaurant. It is often made of wood or concrete. Cell Membrane- The cell membrane is a structure that forms the outer boundary of the cell and allows only certain materials to move into and out of the cell. Food‚ oxygen and water move into
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“ Ageing is a continuous‚ complex‚ and dynamic process that begins with birth and ends with death. And unless we die in our early years‚ each of us will grow old and experience the effects of the ageing process”. (Pirkl‚ 2009). The ageing process and why changes have taken place in the last fifty years. This report discusses the ageing process and why changes have taken place in the last fifty years. The ageing process is a change in an organism overtime and can be referred to as a multidimensional
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Joints and Movements The Joints Definition: A joint (articulation) is point of contact between bones or between bone and cartilage. Joint Classifications Joints are classified by: The degree of movement they allow The structure of the joint The three types of joints that we will look at are: 1. Fibrous joints 2. Cartilaginous joints 3. Synovial joints Fibrous Joints These joints are also called "fixed" or "immoveable" joints‚ because they do not move. These joints have no joint cavity
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Physiology Chooljian Lecture Exam #3 Review FIRST: Be sure to: Study chapter objectives‚ summaries‚ and reviews Review your lecture notes ANS Define: denervation hypersensitivity‚ ganglia‚ mass activation‚ sympathoadrenal system‚ dual innervation. What are the two divisions of the ANS? Where are the neurons for each division located‚ and what is the major function of each division? What type of neurons (sensory or motor) are in the ANS? What are the names for the two
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Origin Insertion Action coracobrachialis (deepest underarm) coracoid process of scapula medial midshaft of humerus humerus: flexion‚ medial rotation‚ abduction biceps brachii short head coracoid process of scapula long head supraglenoid tubercle of scapula radial tuberosity‚ bicipital aponerousis humerus: flexion forearm: supination‚ flexion brachialis (in b/w) anterior distal half of humerus tuberosity of ulna forearm: flexion
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Dental Anatomy Sheet Lecture # (5) Dr.Firas Soleihat Sheet written by Majdi Salameh * Permanent maxillary lateral incisor : - Sometimes the Cingulum is so large that they call it Talon Cusp. Talon Cusp is mostly found in permanent maxillary lateral incisor but rarely found in primary teeth . ( Talon Cusp : is a very enlarged cingulum and sometimes looks like a separated cusp ) . - The Peg shaped lateral incisor : instead of having a normal incisal edge .. the
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A Sense of History: Some Components by Gerald W. Schlabach All students who graduate from a liberal arts college should take with them an indelible awareness of the following: 1. Some things happened before other things. Studying history is much more than the memorization of dates. But if we get things out of chronological order‚ we’ll inevitably get a lot of other things wrong too. Imagine that we are in a new city trying to find "408 N. 5th St.‚" but vandals have taken down the signs
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I chose an article from The New Yorker titled “The Truth Wears Off” by Jonah Lehrer that was published in December of 2010. In summary‚ the article discusses how over time scientists are discovering in ever more frequency that scientific studies cannot be replicated. Scientists have discovered that over time and multiple attempts of replication‚ many such studies are unable to produce data that is similar to their first discoveries. Or due to the shear number of scientific studies out there‚ data
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Physical Beauty/Inner beauty Beauty is not just about having a pretty face. The truth is‚ when one thinks about beauty‚ physical looks are the first thing to come to mind. This is unfortunate because what many people do not realize is that beauty is only skin deep. Inner beauty is more important than what people perceive from the outside” For example‚ there are countless methods and ways to alter ones physical appearance. Makeup‚ clothes and fitness are just a few examples of how to fit into
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