Search Results for: direct
Direct percussion
Direct percussion --> immediate percussion The striking of the part under examination directly with the finger or a... Read More
Direct agglutination
Definition noun (1) An agglutination (macroscopic clumping) caused by one antibody. (2) A serological technique in which... Read More
Indirect life cycle
Definition noun A type of parasitic life cycle wherein the parasite is transmitted indirectly from one host to the next,... Read More
Direct life cycle
Direct life cycle (Science: epidemiology) a life cycle in which a parasite is transmitted directly from one host to the next... Read More
Apparent competition
Competition Definition One of the many branches of biology is ecology. Ecology is the study of the relationships that the... Read More
Active transport
Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported... Read More
Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use
IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More
Photosynthesis
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
Obligate parasite
Parasitism is a form of symbiosis that occurs between a parasite and its host. The parasite is the organism that generally... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Community (biology)
Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More
Mammalian Ancestors
Humans are mammals, the most successful taxonomic class of organisms to colonize the Earth. The word mammal derives from the... Read More
Interference competition
Definition noun (ecology) A form of competition wherein organisms directly vie for resources, such as by... Read More
Exploitation competition
Definition noun (ecology) A form of competition wherein organisms indirectly compete with other organisms for resources by... Read More
How cell fixes DNA damage
DNA repair strategies DNA is crucial to life. It carries the fundamental blueprint for the proper functioning of a cell.... Read More
SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)
Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004) Introduction: It has been... Read More
Autocrine signaling
Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More
Lamarckism
Definition noun The theory suggesting that traits or characteristics of an organism are produced and inherited by direct... Read More
Simple epithelium
Definition noun, plural: simple epithelia An epithelial tissue comprised of a single layer of epithelial cells that are in... Read More
Infective stage
Definition noun (parasitology) The stage in the life cycle of an endoparasite wherein it can initiate infection to its... Read More
Nervous System
THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More
Recalcitrant
Several words of the English language find wide usage in subjects as diverse as literature, science, social science,... Read More
Simple squamous epithelium
Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More
Lamarckian theory
Definition noun An evolutionary theory holding that acquired or learned traits can be passed on from parents to... Read More
Deoxyribonucleic acid
Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More
Chemoreceptor
Definition noun, plural: chemoreceptors (1) A sensory nerve cell or sense organ, as of smell, or taste, that are able to... Read More
Photolysis
Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More
Primary productivity
Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More
Epithelium
An epithelium is a type of animal tissue made up of densely packed cells (called epithelial cells) that rest on a basement... Read More
Gap junction
Definition noun, plural: gap junctions A type of cell junction characterized by the intercellular channel that is formed in... Read More
Cell Structure
The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More
Plant Meristems and Growth
A common mistake that many people assume is that an increase in size means an increase in growth. This is not the case.... Read More