Pharmacognosy Flashcards
what is a medicinal plant?
it is a plant that contains substances that can be used for medicinal purposes.
What is an ordeal plant?
is a dangerous or harmful plant that has harmful or poisonous effects on the body.
what are pyschotropic chemicals?
chemicals that can affect how the brain works such as cocaine, opium, and can cause damage to health or even death.
active compounds can be derived from what parts of plants?
leaves, flowers,fruits,seeds,bark, woods(overground or aerial parts)
tubers,bulbs,corns,roots,rhizomes(underground or subtarranean)
what is the scientific name of calabar bean
physostigma venenosum
what is the use of physostigmine
it is used clinically to contract the pupil of the eye
toxic effect of physostigmine in the body
it kills humans by affecting the heart contractility and inducing respiratory paralysis.
scientific name of indian hemp is called?
Cannabis sativa Linn
Indian hemp characteristics
it is fat soluble so it accumulates in body tissues hence measurable amounts may remain the body for days after inhalation.
toxic or harmful effects of Marjuana include
reduced sperm production and testosterone levels
can cross the placanta and cause harm to the foetus
clinical use of Indian hemp
to treat glaucoma,reduce side effects of chemotherapy such as nausea, vomiting and loss of appeptite, reduce spasmodic movements in patients with multiple schelrosis and parkinson’s disease.
what is the scientific name of tobacco?
Nicotiana tobacum Linn(contains Nicotine)
