41 results found

Search Results for: poison

Poison

poison 1. Any agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly... Read More

Arrow poison

Definition noun Any toxin used for making arrow heads, spears, or darts poisonous Supplement Arrow poisons are toxins used... Read More

Poison + water = hydrogen. New microbial genome shows how

Poison + water = hydrogen. New microbial genome shows how Take a pot of scalding water, remove all the oxygen, mix in a bit... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Dead Man Walking

Dead Man Walking: Wade Davis and the Secret of the Zombie Poison By Patrick D. Hahn Accepted on September 4, 2007 Twenty... Read More

Curarine

Definition noun (pharmacology) The alkaloid responsible for the poisonous effects of curare Supplement Curarine is an... Read More

Curare

Definition noun (1) Common name for the plant species, Strychnos toxifera (2) The substance containing the alkaloid... Read More

Acrid

Acrid 1. Sharp and harsh, or bitter and not, to the taste; pungent; as, acrid salts. 2. Causing heat and irritation;... Read More

Toxin

toxin (Science: pharmacology) A poison frequently used to refer specifically to a protein produced by some higher plants,... Read More

Zebra

zebra (Science: zoology) Either one of two species of south african wild horses remarkable for having the body white or... Read More

SELFISH GENE – selfish to persist

What is a selfish gene? A selfish gene is not a gene that makes an individual selfish. In fact, it may even be involved in... Read More

Scared to Death

Scared to Death: Self-Willed Death, or the Bone-Pointing Syndrome   by Patrick D Hahn   Accepted on: September 4,... Read More

Chemokinesis

Definition noun A behavioral response of a cell or an organism to a soluble chemical that leads to random or directionally... Read More

Branches of biology

Branches of Biology Biology, the scientific study of life, includes several relevant branches. Below is a list of major... Read More

Streptolysin O

Definition noun An oxygen-labile, immunogenic hemolysin produced by or derived from some strains of... Read More

Hemolysis

Definition noun The lysis or the breaking open of red blood cell (erythrocyte) causing the release of hemoglobin into the... Read More

Haptene

Definition noun, plural: haptenes A substance that induces immune response when bound to a carrier protein or to large... Read More

Nicotine

nicotine (Science: drug) A plant alkaloid from tobacco, blocks transmission at nicotinic synapses. An alkaloid poison that... Read More

Coral polyp

Definition noun, plural: coral polyps (marine biology) An invertebrate species of the class Anthozoa that may live either... Read More

Aerial root

Definition noun, plural: aerial roots A type of root that grows from the stem above the ground Supplement Aerial root is a... Read More

Pharmacology

Definition noun The branch in medicine that deals with the study of drugs, especially their action, use, preparation, and... Read More

Effect of Chemicals on Growth & Development in Organisms

Plants Plants require a large number of elements to function properly, mainly carbon, oxygen, and hydrogen, essentially... Read More

Haemolysis

Definition noun The lysis or the breaking open of red blood cell (erythrocyte) causing the release of hemoglobin into the... Read More

Chemotaxis

Definition noun The directional movement of an organism or a living motile cell in response to certain diffusible chemicals... Read More

Unusual Plants

By Regina Bailey Plants are amazing organisms. They are able to create their own food through photosynthesis, and provide... Read More

Physiological adaptation

If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More

Phenol

phenol (Science: chemistry) 1. A white or pinkish crystalline substance, C6H5OH, produced by the destructive distillation of... Read More

Duct

Duct (Science: anatomy) a passage with well defined walls, especially a tube for the passage of excretions or... Read More

Commensalism

Commensalism Definition What is commensalism? Literally, commensalism is a Latin word that means ‘to eat at the same... Read More

Loco

Loco (Science: botany) a plant (astragalus Hornii) growing in the southwestern united states, which is said to poison horses... Read More

Sting

sting 1. (Science: zoology) Any sharp organ of offense and defense, especially when connected with a poison gland, and... Read More

Virus

Definition noun, plural: viruses A submicroscopic infectious agent that is unable to grow or reproduce outside a host... Read More

Channel

Channel a furrow, gutter, or groovelike passageway. See: canal. Origin: L. Canalis a bodily passage or tube lined with... Read More

Virulence

Virulence Definition In biology, virulence is defined as the degree to which a pathogenic organism can cause disease.... Read More

Hapten

Definition noun, plural: haptens A substance that induces immune response when bound to a carrier protein or to large... Read More

Alimentary canal

Definition of Alimentary canal What is the alimentary canal? The alimentary canal is a muscular hollow continuous tubular... Read More

Mercury

mercury 1. (Science: astronomy) The first planet in order from the sun. It has no known natural satellites. It is one of the... Read More

Spider

spider 1. (Science: zoology) Any one of numerous species of arachnids comprising the order araneina. Spiders have the... Read More

Wine

wine 1. The expressed juice of grapes, especially. When fermented; a beverage or liquor prepared from grapes by squeezing... Read More

Drink

Drink 1. Liquid to be swallowed; any fluid to be taken into the stomach for quenching thirst or for other purposes, as... Read More