DOC-20251026-WA0000.pharmacolgy presentation

Pharmacology

1. ASSIGMENTOFPHARMACOLOGY
Topic: IntroductiontoPharmacology
Submittedby:
Submittedto:MamAsmaRasool
Date:
27/10/2025
Kalimullah

2. OBJECTIVES:
•WhatisPharmacology
•HistoryofPharmacology
•BranchesofPharmacology
•DefineDrug
•WhatareitsSources

3. WhatisPharmacology
•Pharmacologyisthestudyofdrugsandtheireffectsonthebody.
•Itexploreshowchemicalsubstancesinteractwithlivingorganisms.
•Focusesondrugaction,mechanisms,therapeuticuses,andside
effect.

4. HistoryofPharmacology
•Ancient Period:UseofherbalmedicinesinEgypt,China,andGreece.
•Middle Ages:Developmentofapothecariesanduseofplantextracts.
•Modern Era: 19thcentury—birthofexperimentalpharmacology.
•Today:Pharmacologyintegratesbiochemistry,genetics,and
molecularbiology.

5. BranchesofPharmacology
•Pharmacodynamics–Studyofhowdrugsactonthebody.
•Pharmacokinetics–Studyofhowthebodyabsorbs,distributes,
metabolizes,andexcretesdrugs.
•Pharmacotherapeutics–Useofdrugsintreatmentandpreventionof
Diseases.

6. DefinitionofDrug
•Adrugisanychemicalsubstancethataltersphysiologicalor
psychologicalfunctionofthebody.
•Itmaybeusedfor:
•Preventionofdisease.
•Diagnosis.
•Treatment.
•Reliefofsymptoms.

7. SourcesofDrugs
•Plants(e.g.,Morphinefromopiumpoppy)
•Animals(e.g.,Insulinfrompancreas)
•Minerals(e.g.,Ironsupplements)

8. THANKYOU