Module 1 Lecture 2 Flashcards
What causes plants to have medicinal effects
Molecular level interactions between checmicals in plants and chemicals in our body
What is critical for plants to have a medicinal effect
Shape of molecules and functional groups
Ethnobotany
Study of human-plant interactions
What types of societies does ethnobotany focus on
Primative, non-western, indigeneous, traditional
Types of plants
Vascular, bryophyte, fungi, algae
What type of plant dominates the terrestrial biomass
Vascular
What percentage of plants are vascular
98%
Important properties of plants
Sessile, compete for light, support tissues
How do plants defend against herbivores
Chemicals
Photosynthesis produces excess amounts of ___
Carbohydrates
What is ethnobotany rooted in
Greek and roman writers
Writing on ethnobotany
De Materia Medica by Pedanius Dioscorides
Development of ethnobotany
Explorers looking for spices
Who named ethnobotany
John Harshberger
Are plants autotrophic
Yes
Aquatic plant
Green algae
Green algae use by humans
Biofuel
Most significant group of plants
Angiosperms (flowering plants)
Parts of a vascular plant
Internal transport system, cuticle, stomates, larger size
Spore producing plants with few uses
Pteridophytes
Plants with no flowers or fruit
Coniferms and other gymnosperms
Where do vascular plants store food
Stem, roots
Part of plant that conserves water
Leaves
Related genera are grouped into ____
Families
Classes of plants
Monocot and dicot
Modern herbal medicines are used by ___% of the world’s population
80-90%
What is the basis of modern drugs
Herbal medicines
Why some plants have medicinal properties
- Secondary compounds
- Complex phenolics
- Astringent effect
Secondary compounds
Not essential to plant metabolism, affect animal physiology
Example of secondary compounds
Tannins
Chemical structure of plant compounds
Hydrocarbon rings
Compounds similar to animal compounds are normally stored in ___ form
Glycoside
Saponins attack ____
Cell membranes
Effect of cardiac glycosides
Change heart rate through ANS
Example of cardiac glycosides
Alkaloids
Type of receptor
Lock and key
First neurotransmitter
ACh
Induced fit theory
Enzymes change their shape to accommodate the chemicals
Zoopharmacognosy
Animal observations
Who analyzed native american drug plants
Moerman
Families of drug plants most commonly used
Physiologically active compounds
What is the theory of disease and cure based on
Humoral theory of Hippocrates
How does diease arise according to humoral theory
Imbalance of humors often caused by external forces
How are imbalances treated
With activities or drugs that oppose imbalance
Body fluids of humoral theory
Blood, yellow bile, black bile, phlegm
Doctrine of signatures
Plant medicine best for part of body to which it is similar in some physical way
What guides traditional chinese medicine
Religious and philosophical ideas
Traditional chinese medicine relates ____ to ____
Macrocosom (universe) to Microcosom (body)
Type of medicine of traditional chinese medicine
Allopathic medicine
Allopathic medicine
Treatments attempt to counter imbalances
Person who contributed to traditional chinese medicine
Emperor Shang Nong
Traditional chinese medicine has very little basis on _____
Anatomical and experimental knowledge
Religion and philosophical chinese leaders
Confuscious and Lao Zi
Qi
Existence of human life is dependent on energy
Types of human qi
Nourishing and protective
Nourishing qi
Carrying blood to internal organs
Protective qi
Found on body surface blocking external evil qi
Organs with yin
Internal, lower, front of body
Organs with yang
External, upper, back
____ organs are yin and ___ organs are yang
Solid and hollow
Theory of five elements
Organs paired, one per element
Five elements
Metal, earth, wood, fire, water
Treatments for qi
Acupuncture, massage, moxibustion, suction cups, qi gong, drugs, no surgery
How are medicines chosen in traditional chinese medicine
Qualities of the plant in relation to yin/yang
How many drugs used at a time in traditional chinese medicine
Usually many
Popular traditional chinese medicine drug
Ginseng