Classification of Drugs acting on central and peripheral nervous system

ANTI-PSYCHOTIC DRUGS

Anti-psychotics are used in used different clinical diseases such as schizophrenia, schizoaffective disorder,bipolar disorder, psychotic disorder, insomnia, dementia.

• Classification based on Generations (1st, 2nd)

• Classification based on typical and atypical type of anti-psychotic:

Mechanism of anti-psychotic Drugs:

General mechanism:

Some important mechanism of anti-psychotic drugs :

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IMPORTANT TABLE OF PHARMACOGNOSY

Calcium oxalate crystals shape and examples of sources:

Type of Calcium oxalate crystals	Examples
Prism/Single crystals	Quillaia bark, liquorice, quassia wood, hyocyamus, clove stalk, senna, cascara, rauwolfia, kurchi, coca
Cluster Crystals	Senna leaf, Stramonium leaf, rhubarb, clove, wild cherry bark
Rosette crystals	Rhubarb, umbelliferous fruits(coriander, fennel, anise, celery)
Acicular Crystals/ Raphides	Single Acicular – Gentian root, cinnamon bark, gentian Bundle of acicular – squill , ipecac root
Micro Crystals/ Crystals sand/ Micro sphenoid	Cinchona, belladonna leaf
Absent	Digitalis and aloe

Different shape of  calcium oxalate crystals

Actual crystals under microscope

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