Categories
Modern Pharmacology

Anaesthesia – Work, Classification, Uses

Definition An “Anaesthetic” is a drug used to induce temporary loss of sensation or awareness. They may be divided into two broad classes :- General Anaesthetics= which result in a reversible loss of consciousness. Local Anaesthetics= which cause a reversible loss of sensation for a limited region of the body without necessarily affecting consciousness. Anaesthetics […]

Categories
Modern Pharmacology

Thyroid hormone and Anti Thyroid Drugs

Thyroid hormone Thyroid gland secretes three hormones – T4 (thyroxine), T3 (triiodothyronine) (both produced by thyroid follicle) and calcitonin ( produced by inter follicular “c” cells. Regulation of secretion- Secretion from thyroid is controlled by anterior pituitary, by elaboration of thyrotropin, while TSH ( thyroid stimulating hormone) itself is regulated by TRH ( Thyroid releasing […]