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19:58, 13 December 2022 Nikolas talk contribs created page File:PH ranges.png
19:58, 13 December 2022 Nikolas talk contribs uploaded File:PH ranges.png
19:56, 13 December 2022 Nikolas talk contribs created page 18. Describe the two pathways involved in the initiation of blood coagulation (Created page with "== Haemostasis == Haemostasis is the body’s response to stop bleedings after endothelial damage. It consists of three steps: * Primary haemostasis ** Local vasoconstriction ** Platelet plug formation * Secondary haemostasis ** Clot formation * Fibrinolysis ** Dissolving the blood clot === Coagulation factors === Most of the components involved in haemostasis are found in the blood. The first are the platelets. The second are the coagulation factors. The coagulation f...") Tag: Visual edit
19:34, 13 December 2022 Nikolas talk contribs created page File:Coagulation cascade.png
19:34, 13 December 2022 Nikolas talk contribs uploaded File:Coagulation cascade.png
19:30, 13 December 2022 Nikolas talk contribs created page 17. The basic structure and metabolism of haemoglobin and the metabolism of iron (Created page with "== Haemoglobin == The red colour of RBCs comes from the fact that they contain a lot of haemoglobin (Hb). In fact, haemoglobin accounts for 95% of all proteins inside a red blood cell. The function of haemoglobin is to carry oxygen in the blood. 1 gram of Hb can bind 1.39 mL of O2 gas. 99,7% of oxygen in the blood is transported via haemoglobin; only 0,3% of oxygen is dissolved in the blood. There is a lot of haemoglobin in each RBC, so that 35% of the RBCs size comes...") Tag: Visual edit
19:30, 13 December 2022 Nikolas talk contribs created page File:Iron metabolism.png
19:30, 13 December 2022 Nikolas talk contribs uploaded File:Iron metabolism.png
19:29, 13 December 2022 Nikolas talk contribs created page File:Ferritin structure.jpg
19:29, 13 December 2022 Nikolas talk contribs uploaded File:Ferritin structure.jpg
19:27, 13 December 2022 Nikolas talk contribs created page 16. Origin and function of blood platelets (Created page with "== Thrombocytes == Thrombocytes, also called platelets, are a component of blood whose function is to clump together to form a ''platelet plug'' stop bleeding. They have a lifetime of 8 – 12 days in the plasma. The normal number of platelets is 150 000 – 400 000/µL. They are 1 – 3 µm in size. Platelets that have been in the plasma for longer than 12 days are removed from the circulation by the spleen. If there is a problem with the spleen will the elimination of...") Tag: Visual edit
19:25, 13 December 2022 Nikolas talk contribs created page 15. Characterize the various leukocytes indicating their origins and functions (Created page with "== White blood cells == White blood cells (WBCs) are the cells which combat infections. They are a major part of the immune system. Recall the number and types of WBCs: {| class="wikitable" |'''Cell type''' |'''Number''' |- |White blood cell (WBC) |4 000 – 11 000/µL |- |'''N'''eutrophils |60% of all WBCs |- |'''L'''ymphocytes |35% of all WBCs |- |'''M'''onocytes |5% of all WBCs |- |'''E'''osinophils |3% of all WBCs |- |'''B'''asophils |0-1% of all WBCs |} A good way t...") Tag: Visual edit
19:23, 13 December 2022 Nikolas talk contribs created page File:Price-Jones curve.png
19:23, 13 December 2022 Nikolas talk contribs uploaded File:Price-Jones curve.png
19:23, 13 December 2022 Nikolas talk contribs created page 14. The structure, function and origin of erythrocytes (Created page with "== Red blood cells == thumb|Structure of red blood cells RBCs are small cells in the blood. They’re red, which is why the blood is red as well. RBCs are 7 – 8 µm in diameter, and they have a ''biconcave disc'' shape, which is difficult to explain but easier to show. The shape is important because it allows the cells to be flexible. The RBCs must squeeze through very small vessels called capillaries, which may be around 5 – 10 µm in dia...") Tag: Visual edit
19:21, 13 December 2022 Nikolas talk contribs created page File:RBC structure.png
19:21, 13 December 2022 Nikolas talk contribs uploaded File:RBC structure.png
19:20, 13 December 2022 Nikolas talk contribs created page 13. Describe the intra- and extracellular ionic components and explain their physiological functions (Created page with "You should know the normal values for ions and proteins in the plasma. You don’t need to know the values for the intracellular space, except for K+ and Na+. {| class="wikitable" |'''Ion''' |'''Normal value in plasma (in mM)''' |'''Normal value in intracellular space (in mM)''' |- |Na+ |136 – 146 |14 – 19 |- |K+ |3.4 – 5.2 |150 |- |Ca2+ |2.3 – 2.7 |10-7 – 10-4 |- |Mg2+ |0.8 – 1.2 |4 – 40 |- |Cl– |96 – 111 |3 – 78 |- |HCO3– |21 – 28 |7 – 18 |- |...") Tag: Visual edit
19:19, 13 December 2022 Nikolas talk contribs created page File:Multiple myeloma serum protein electrophoresis.gif
19:19, 13 December 2022 Nikolas talk contribs uploaded File:Multiple myeloma serum protein electrophoresis.gif
19:18, 13 December 2022 Nikolas talk contribs created page File:Serum protein electrophoresis.png
19:18, 13 December 2022 Nikolas talk contribs uploaded File:Serum protein electrophoresis.png
19:17, 13 December 2022 Nikolas talk contribs created page 12. Describe the major plasma proteins and the other non-electrolytic constituents of blood and explain their function in the body (Created page with "== Plasma == The plasma is the cell-free part of blood. The plasma accounts for only 55% of the total blood volume, approximately 3000 mL. It’s a pale, yellow, sticky liquid. It’s 90% water and contains: * Inorganic components ** Ions, like Na+, K+, Cl–, Ca2+, bicarbonate (HCO3–) ** Gases like O2 and CO2 * Organic components ** Proteins *** Albumin *** Globulins *** Fibrinogen ** Lipids ** Carbohydrates *** Glucose ** Amino acids ** Nitrogen compounds *** Urea *...") Tag: Visual edit
21:25, 30 November 2022 Nikolas talk contribs created page 11. Describe the body fluid compartments and explain the methods used for measurement of body fluid volumes (Created page with "== Blood == The volume of the plasma is around 3 litres in an average person, but the average blood volume is 4-6 litres. That’s because the blood contains many cells and proteins that contribute to the blood volume. If a person has too little blood volume, he has ''hypovolaemia'', and if he has too much he has ''hypervolaemia''. The blood has many functions: * Transports important molecules to and from cells ** Nutrients to cells ** Oxygen to cells ** Waste products...") Tag: Visual edit
21:22, 30 November 2022 Nikolas talk contribs created page File:Body fluid compartments.png
21:22, 30 November 2022 Nikolas talk contribs uploaded File:Body fluid compartments.png
21:21, 30 November 2022 Nikolas talk contribs created page 5. Molecular mechanism of skeletal muscle contraction. Structure of skeletal muscle. The regulatory role of calcium ion (Created page with "= Learning objectives = * What does excitation-contraction coupling mean? * What do we call the cell membrane, cytoplasm, and endoplasmic reticulum of a muscle cell? * Describe the composition of skeletal muscle * Which proteins comprise the thin and thick filaments? * What is the function of troponin and tropomyosin? * What is the functional unit of striated muscle? * What are the thin filaments anchored to? * What are T-tubules? * Which two proteins in the T-tubules a...") Tag: Visual edit
21:20, 30 November 2022 Nikolas talk contribs created page File:Cross-bridge cycle.jpg
21:20, 30 November 2022 Nikolas talk contribs uploaded File:Cross-bridge cycle.jpg
21:20, 30 November 2022 Nikolas talk contribs created page File:T-tubules.jpg
21:20, 30 November 2022 Nikolas talk contribs uploaded File:T-tubules.jpg
21:19, 30 November 2022 Nikolas talk contribs created page File:Muscle fibre microanatomy.png
21:19, 30 November 2022 Nikolas talk contribs uploaded File:Muscle fibre microanatomy.png
21:18, 30 November 2022 Nikolas talk contribs created page File:Thin and thick filaments.png
21:18, 30 November 2022 Nikolas talk contribs uploaded File:Thin and thick filaments.png
21:17, 30 November 2022 Nikolas talk contribs created page 4. The neuromuscular junction (Created page with "=== Learning objectives === * What is the neuromuscular junction? * Where does the presynaptic nerve fibre originate, and what type of neuron is it? * What is the neurotransmitter of the neuromuscular junction? * What is the postsynaptic receptor of the neuromuscular junction? * What is the motor end plate? Describe its structure * What is the end plate potential, and what is the magnitude of it? * Describe the steps of synaptic transmission at the neuromuscular junctio...") Tag: Visual edit
21:16, 30 November 2022 Nikolas talk contribs created page 3. Neurochemistry of synapses, neurotransmitters, postsynaptic receptors and neuromodulators. EPSP, IPSP (Created page with "=== Learning objectives === * What is a synapse? * Describe how an electrical synapse works * Describe how a chemical synapse works * What is the presynaptic and postsynaptic membrane? * What is a neurotransmitter? * What is the synaptic cleft? * Which are the most important neurotransmitters, where in the body are they found, and which receptors do they activate? * How is acetylcholine removed from the synaptic cleft? * What are neuropeptides? * What are the types of c...") Tag: Visual edit
21:16, 30 November 2022 Nikolas talk contribs created page File:Temporal summation of EPSP.png
21:16, 30 November 2022 Nikolas talk contribs uploaded File:Temporal summation of EPSP.png
21:15, 30 November 2022 Nikolas talk contribs created page File:Insufficient hypopolarisation.png
21:15, 30 November 2022 Nikolas talk contribs uploaded File:Insufficient hypopolarisation.png
21:14, 30 November 2022 Nikolas talk contribs created page File:Cell membrane receptor.jpg
21:14, 30 November 2022 Nikolas talk contribs uploaded File:Cell membrane receptor.jpg
21:13, 30 November 2022 Nikolas talk contribs created page 2. The compound action potential. Conductive properties of various nerve fibers (Created page with "=== Learning objectives === * What is a nerve? * What is a compound action potential? * What are the different types of nerve fibres in order from highest to lowest conduction velocity? * Which nerve fibres are myelinated and which aren’t? === The compound action potential === ==== What is a nerve? ==== A nerve is a bundle of the axons of many nerve cells. Most nerves are made up of axons from both sensory (afferent) and motor (efferent) neurons. For peripheral nerv...") Tag: Visual edit
21:12, 30 November 2022 Nikolas talk contribs created page 1. Membrane potential and action potential. Explain their ionic mechanisms. Membrane properties of CNS neurons (Created page with "=== Learning objectives === * What is an ion channel? * What are the different types of ion channels? * What is membrane potential? * What are the intracellular and extracellular concentrations of Na+ and K+? * What is resting membrane potential? * What is the resting membrane potential of a neuron and a skeletal myocyte? * What is the function of Na+/K+ ATPase? * What is the equilibrium potential of Na+ and K+? * What is an action potential? * What are the phases of an...") Tag: Visual edit
21:11, 30 November 2022 Nikolas talk contribs created page File:Ion channels.png
21:11, 30 November 2022 Nikolas talk contribs uploaded File:Ion channels.png
21:09, 30 November 2022 Nikolas talk contribs created page Category:Physiology 1 (Created page with "Category:2nd year") Tag: Visual edit
21:07, 30 November 2022 Nikolas talk contribs created page Public health 3 - Environmental health (Created page with "I never made notes for ph3 but afaik the topics are quite similar to the ph6 topics. Category:2nd year") Tag: Visual edit
21:07, 30 November 2022 Nikolas talk contribs created page Category:2nd year (Created page with "Category:Pages by subject") Tag: Visual edit