PHYSIOLOGY
1 Introduction to Physiology.
1.1 Definition of Physiology and its areas of interest; concept of internal and external environment for the cell and for the organism; concept of homeostasis.
1.2 General characteristics of plasma membranes; fluid mosaic model; integral and associated membrane proteins; receptors and transport proteins; difference between carriers and channels.
1.3 The movement of substances through membranes and epithelia; concept of simple or mediated diffusion through membranes; active transport; concept of uniport, symport, and antiport: the examples of Na+/K+ pump and of the Na + -glucose symport; transport by vesicles: exocytosis, endocytosis and transcytosis.
1.4 Distribution of solutes in the different liquid compartments of the organism (schematic drawing); resting membrane potential; equilibrium potentials of Na+ and K+.
2. Neuron physiology and generation of electrical signals.
2.1 Nervous system’s functional anatomy organization: central and peripheral nervous system
2.2 structure of the neuron (schematic drawing of its different parts); glial cells; myelin sheath; axonal transport.
2.3 Resting membrane potential of neurons; changes in membrane potential and generation of signals; concept of depolarization and hyperpolarization; the generation of graduated potentials (graph); concept of subthreshold and suprathreshold potential (graph); spatial and temporal summation of graduated potentials; action potential (graph); absolute and relative refractory periods (graph); saltatory conduction.
2.4 Communication between neurons: chemical synapses (schematic drawing of its different parts) and electrical synapses; mechanisms of release and inactivation of neurotransmitters in chemical synapses; concept of convergence and divergence of the signal; concept of stimulus intensity: how the discharge frequency/pattern of neuron influence the release of the neuro-transmitters.
3. Skeletal Muscle: structure and function.
3.1 The three types of muscle in our body: skeletal, cardiac and smooth; general structure of skeletal muscle fibers: myofibrils, sarcomeres, and membrane systems.
3.2 The excitation-contraction (EC) coupling
mechanism and the transduction of the electrical into a chemical signal; transversal tubules and sarcoplasmic reticulum; the voltage sensor (DHPR); the Ca2+-release channel of the sarcoplasmic reticulum (RYR); the triad or calcium release unit (schematic drawing of its different parts); differences between skeletal and cardiac EC coupling.
3.3 The sarcomere (schematic drawing of the organization of filaments, lines, and bands); the main sarcomeric proteins: contractile, regulatory and accessory; role of troponin and tropomyosin in the activation of the contraction; myosin head cycle; tension-length regulation curve of the sarcomere (graph); concept of motor unit and recruitment.
3.4 Classification of muscle fibers based on metabolism and speed of contraction; classification of fibers in red and white; functional differences between slow, intermediate and fast fibers;
3.5 Contraction mechanics: relationship between electrical and mechanical events; simple twitch (graph), summation mechanism (graph), incomplete and complete tetanus (graphs); definition of fatigue (graph); isometric and isotonic contractions (and role of elastic and
contractile components).
3
4. Smooth muscle: structure and function
4.1 Ultrastructure of smooth muscle
4.2 Activation of smooth muscle contraction: role of phosphorylation and calcium
5. Cardiac muscle: structure and function
5.1 Ultrastructure of cardiomyocyte: role of intercalated discs
5.2 The excitation-contraction (EC) coupling: calcium release induced by calcium
6. Physiology of the Cardiovascular System.
6.1 Introduction to the cardiovascular system: anatomy and general functions.
6.2 The heart : pacemaker and contractile tissues; contractile myocardial cells and intercalated disks (schematic drawing); the conduction system (schematic drawing of its various components); the action potential of pacemaker cells (graph); the action potential of contractile cells (graph); the cardiac cycle explained with the 5 phases; the cardiac cycle explained with the pressure-volume curve of the left ventricle (graph); cardiac output (formula); Frank-Starling's law (graph).
7. Physiology of the Respiratory System.
7.1 Introduction to the respiratory system: anatomy and general functions; the reasons for an internalized respiratory system; upper and lower airways; structure of the lung and alveoli; the pleurae and their role in ventilation; inspiratory and expiratory muscles; concepts of lung compliance and elasticity; concept of instability of the alveoli; the four phases of external respiration.
7.2 Ventilation (inhalation and exhalation) and air exchange be; the laws of gases; muscles involved in ventilation at rest and under stress; ventilation mechanics; spirometry and measurement of pulmonary volumes and capacities (graph); concept of pulmonary and alveolar ventilation (formulas); gas exchange between alveoli and blood; hyperventilation and hypoventilation curve (graph).
7.3 Transport of gasses in the blood and gas exchange blood-tissues; transport of O2; hemoglobin/ O2 dissociation curve (graph);
effects of pH (Bohr effect) and temperature on the hemoglobin/ O2 dissociation curve; blood transport of CO2 and its effect on blood pH.
7.4 Reflex control of breathing (schematic drawing of its functioning); respiratory centers of medulla oblongata and pons Varolii; dorsal and ventral respiratory groups; central and peripheral chemoreceptors.
CLINICAL PATHOLOGY
The program is divided into the following points:
a) acquisition of the basic elements related to the pathophysiology of blood and blood
components. Clinical evaluation of anemias and study of related parameters. Analysis
clinics of leukemias and lymphomas and staging.
b) Pathophysiology of haemostasis. Analysis of the components of the coagulation cascade.
Clinical evaluations of coagulative-deficient states. Deficiency of the factors and their
role in hemorrhagic states.
c) Parameters of immunological investigation.
Diagnostic-clinical evaluation
inflammation and the role of cellular components. Immunophenotyping and his
application in the principals of immunodeficiency and neoplastic induction.
Study of autoimmunity and description of the main autoimmune syndromes: disease
celiac disease, reactive pathologies of the gastro-enteric system (M. of Chron, rectocolitis
ulcerative), Sijogren's syndrome, SLE, rheumatoid arthritis, scleroderma
d) Tumor serological markers. Analysis of the molecular alterations of the main ones
genes in the pathogenic processes of tumors. Pathogenesis of gastro-enteric tumors.
Predictive Medicine principles and study of prediction markers for the main ones
family oncological syndromes: breast and ovary cancer, HNPCC, tumors
Hereditary thyroid, retinoblastoma, Li-Fraumeni syndrome
e) Principles of pharmacogenetics and pharmacogenomics. Prediction of the answer
therapeutic in tumors. Presentation of the main application protocols
molecular-diagnostic in the chemotherapeutic orientation
GENERAL PATHOLOGY
Concept of illness and morbid status. Etiology and pathogenesis. Intrinsic and extrinsic causes of disease. Physical, chemical and viral agents as a cause of illness.
• Inflammation: definition and general characteristics. Acute flogosis: chemical mediators and cells involved; the formation of the exudate; various types of exudate. Phagocytosis. Chronic flogosis.
Thermoregulation. Thermogenesis and heat-dispersion. Non-febrile hyperthermia and hypothermia. Fever: etiopathogenesis of fever; the course of the fever; types of fever; metabolic alterations in fever.
Pathophysiology of the blood. Anaemia: general processes and classification.
Oncology: concepts of hyperplasia, hypertrophy, metaplasia, dysplasia, anaplasia, neoplasia. Benign and malignant tumours. Histogenetic classification of benign and malignant human tumours. Metastasis. The process of carcinogenesis. Concepts of n of neoplasms.
carcinogenicity from chemical, physical and viral agents. Stages of carcinogenesis: initiation, promotion and progression. Oncogenes and oncosuppressors and their role in tumours.