424 results found

Search Results for: normal

“Mutualism factor” could explain why body does not attack normal flora

When sadness reeks in and you feel as if you are all by yourself, think again. That is because you are never alone. As a... Read More

Normal range

normal range normal results can fall outside the normal range. By convention, the normal range is set to cover ninety-five... Read More

Abnormal

Abnormal Not normal, contrary to the usual structure, position, behaviour or rule. What is normal and what is... Read More

Renegade RNA — Clues to cancer and normal growth

Researchers at Johns Hopkins have discovered that a tiny piece of genetic code apparently goes where no bit of it has gone... Read More

Normal

normal (Science: microscopy) An imaginary line forming a right angle with the tangent to a curved surface at a particular... Read More

Normality

Definition noun (1) The state of being normal or conforming to what is typical or usual. (2) (chemistry) The concentration... Read More

Abnormality

Definition noun (1) The state or quality of not being normal. (2) An anomaly, deformity, malformation, impairment,... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Cancer

Cancer definition In biology, cancer is defined as the malignant growth due to uncontrolled cell division. It is now used... Read More

Mutagen

Mutagen Definition What is a mutagen? A mutagen is a substance or agent that causes DNA impairment that results in the... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Phenotype

Phenotype refers to the observable characteristics of an organism as a multifactorial consequence of genetic traits and... Read More

Coenzyme

Enzymes can break down complicated large molecules into simpler smaller ones, they can combine small molecules or atoms to... Read More

Hyperthermia

Definition noun A condition in which the body temperature is higher than the normal range Supplement Hyperthermia pertains... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Oncogene

Oncogene (Science: molecular biology, oncology) Mutated and/or overexpressed version of a normal gene of animal cells (the... Read More

Tetrasomy

Definition noun, plural: tetrasomies (genetics) A type of aneuploidy characterized by the gain of two extra chromosomes of... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Isotonic

Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Frameshift mutation

Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... 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

Blood Vessels Hold Key To Thicker Hair Growth

MGH researchers have succeeded in growing hair faster and thicker in mice, thanks to a protein that promotes blood vessel... Read More

Myocardium

Myocardium Definition What is the myocardium of the heart?  It is the muscular middle layer of the heart that is... Read More

Woolly cheetah

Woolly cheetahs were reported in the 19th century as a separate species of cheetah that had longer, denser fur. Several... Read More

Saline solution

Definition noun, plural: saline solutions A salty solution prepared by dissolving sodium chloride (table salt, NaCl) by... Read More

Regular

regular 1. A member of any religious order or community who has taken the vows of poverty, chastity, and obedience, and who... Read More

An introduction to Homeostasis

Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More

Law of Segregation

Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that was initially... Read More

Abscission

Definition noun (botany) The normal shedding of a senescent plant part or organ (e.g. old leaf or ripe fruit) (zoology) The... Read More

Monosomy

Definition noun (genetics) A type of aneuploidy characterized by the loss of a single chromosome of the normal... Read More

Fermentation

Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More

Fever

Definition noun, plural: fevers (pathology) A febrile condition; an increase in body temperature that is higher than the... Read More

Principles of Anatomy and Physiology

 Principles of Anatomy and Physiology      ... Read More

Differentiation

Definition noun (developmental biology) The normal process by which a less specialized cell develops or matures to become... Read More