Plant toxicity Flashcards
What can kava cause in the body?
Necrosis,hepatitis and cirrhosis.(it slow down people reactions time
Name some factors that affects toxicity in relation to plants
1) Genetics
2) Geography
3) Season
4) Age of Plant
5) Part of plant
What is the most come reaction to plants?
skin reaction is the most common form of reaction to plants.
There is Allergic Contact Dermatitis
and Irritant Contact Dermatitis
What does the term asymptomatic and symptomatic mean?
Asymptomatic-The patient doesn’t experience symptoms
Symptomatic-The patient experiences symptoms
What the different part of the seed?
Pericarp
Epicarp
Mesocarp
Endocarp
What poisonus plant that we studied is activated by UV?
Giant hogweed-they contain photosensiting furoconmarnis and once they contact the skin with addtion of sunlight it can cause skin inflammation phytophotodermatitis
What does Dumb Cane Plant (Dieffenbachia) do the body?
So once it in the skin in endoblasts in the plant contain calcium oxalate and when they become broken they embedded themselves into whatever was trying to eat them.This eventually causes:
Skin:reddening, itchiness, burning
Eyes – transitory loss of vision
Mucous membranes – irritation, inflammation, salivation, temporary loss of speech, respiratory difficulties
Give some examples of gastrointestinal irritants
1) Amarylis
2)Buttercup
3)Christmas rose
4)Holly
They can cause nausea, vomiting,diarrhoea and fluid and electrolyte imbalance
How can the castor oil plant cause toxicity?
The castor oil bean can cause a haemorrhage in the mucous membrane.
Ricin has 2 parts-part B bind to the cell and part A attacks the cell
What toxin can be used as a bio weapon?
Ricin -this is because you will only need a small amount because of how potent it is
How does Jequirty Bean cause it toxicity?
B chain will bind the the ribosomes and the A chain inhibits it function
It can cause diarrhoea and gastroetrotisis
How does curae affect the nervous system?
It bind to the nAChR an it inhibits its function-neuromuscular blocking agent-this can cause paralysis and death.
It is an allykoid
How does the water hemlock exert it toxicity?
It contain the poison cicutoxin and this acts as a stimulant in the nervous system and it inhibits the inhibitory effects of the nervous system by binding to the Gaba receptors causing convulsions.
What are the symptoms that nightshade can cause?
Tachycardia
Delirium
Hallucinations
What are cadioglycosides?
Cardiac glycosides are a class of organic compounds that increase the output force of the heart and decrease its rate of contractions by acting on the cellular sodium-potassium ATPase pump.
