Effects of Ageing: With age, lung functiondeclines due to reducedelasticity of lung tissues, weakened respiratory muscles, and changes in chest wall structure, leading to decreased lung capacity and efficiency in gas exchange.
Cystic Fibrosis: A genetic disorder affecting the CFTR gene, leading to thick, sticky mucus in the lungs and digestive system, causing respiratory and digestive issues.
Hypoxia: Lowoxygen levels in tissues
Hypercapnia: Elevated carbondioxide levels in the blood
Inflammatory Mediators: Substances released during tissue damage that causeinflammation and pain, such as prostaglandins, bradykinin, and histamine
Anatomical Pathways: Pathways that transmitpainsignals from the periphery to the brain, including the spinothalamictract.
Central and Peripheral Sensitization: Increased sensitivity to pain; central involves the brain and spinal cord, while peripheral involves the nerves at the injurysite.
Physiology: The body's response to pain, including nociceptoractivation and painsignaltransmission
Psychological Aspects: How emotions and mental states affect the perception of pain.
Nociceptors: Pain receptors in the skin and other tissues.
Allodynia: Pain from stimuli that don't usuallyprovokepain.
Genetic Code: The sequence of nucleotides in DNA that determines the amino acid sequence of proteins.
Role of Genomics in Healthcare: Using geneticinformation to tailormedicaltreatments and preventivemeasures
Genetic Variants: Differences in DNA sequence among individuals that may affecthealth and disease.
Epigenetic Tagging: Chemicalmodifications to DNA or histones that affect gene expressionwithoutchanging the DNAsequence.
SNP (Single Nucleotide Polymorphism): A variation in a single nucleotide that occurs at a specificposition in the genome.
Methylation: An epigeneticmechanism involving the addition of a methyl group to DNA, often silencing gene expression.
Atherosclerosis: Buildup of plaques in the arterial walls, leading to reduced blood flow and risk of heart attack and stroke.
Stroke: A condition where bloodflow to the brain is interrupted, causing braindamage.
Ischemia: Reduced blood supply to tissues.
Thrombosis: Formation of a blood clot inside a bloodvessel.
Blood Brain Barrier: A selective barrier that protects the brain from harmful substances in the blood while allowingessentialnutrients to pass through.
Meninges: Three protectivemembranes that cover the brain and spinal cord.
Cushing’s Triad: A set of three clinical signs indicating increasedintracranialpressure: hypertension, bradycardia, and irregular respiration.
Alzheimer’s Disease: A neurodegenerative disorder characterized by progressivecognitivedecline and memory loss.
Ageing of the Brain: Structural and functional changes in the brain with age, including neuronloss and decreasedcognitive function.
Neurodegeneration: Progressive loss of structure or function of neurons.
Amyloid Plaques: Proteinaggregates found in the brains of Alzheimer'spatients.
Routes of Administration: Ways drugs are introduced into the body, such as oral, intravenous, and intramuscular.
Receptor Drug Interaction: How drugsbind to cellularreceptors to produceeffects.
Drug Distribution: The dispersion of drugs throughout the body.Drug Absorption: The process of a drug entering the bloodstream.Drug Metabolism: The biochemical modification of drugs, usually in the liver.
Metabolite Excretion: The elimination of drug metabolites from the body, primarily through the kidneys.
Pro-Drug Theory: A strategy where an inactive drug is metabolized into an active form in the body.
Bioavailability: The proportion of a drug that enters the circulation and is able to have an active effect.
Half-life: The time it takes for the plasmaconcentration of a drug to reduce by half.
Mechanisms of Actions and Non-specific Effects: How drugs exert their effects at the molecular level and their unintended impacts on other systems.
Side Effects: Unintended and oftenadverseeffects of a drug.
Non-Steroidal Anti-Inflammatories (NSAIDs): Drugs that reduceinflammation, pain, and fever, such as ibuprofen.
Opioid Drugs: Medications that relieve pain by binding to opioidreceptors in the nervoussystem.
Efficacy: The ability of a drug to produce the desiredtherapeutic effect.