478 results found

Search Results for: cause

Pathogen

What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that... Read More

Opportunistic pathogen

Opportunistic Pathogen Definition How do we define opportunistic pathogen? The opportunistic pathogen is an infectious... Read More

Syndrome

Definition Of Syndrome A syndrome is a collection of signs, symptoms, series of events, and/or characteristics that occur... Read More

Types and Causes of Brain Damage

The brain is a highly specialized tissue, far more complex than today's 21st-century supercomputers. Due to this magnificent... Read More

Diaphoresis

What is Diaphoresis? Diaphoresis is referred to excessive or profuse perspiration or sweating which may be due to... Read More

Chromosomal mutation

Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... Read More

Virulence

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

Leukocyte

Leukocytes, also called the white blood cells (WBCs), inhabiting our immune system are the cells that exhibit astonishing... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Integumentary system

Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More

Thalassophobia

Among many psychological and psychiatric disorders, one is the fear of the ocean and the fear of deep water, which in... Read More

Lethal mutation

Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

Hemolysis

The breakdown or catabolism of red blood cells or erythrocytes that result in the expulsion of hemoglobin and other... Read More

Anaerobic bacteria

Bacteria are classified according to the need for oxygen to survive and grow.   For example, aerobic bacteria are bacteria... Read More

Leukocytosis

What Is Leukocytosis? Leukocytosis is a condition wherein the number of White Blood Cells (WBCs) is increased above the... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... 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

Precipitating factors

Precipitating Factor Definition Precipitating factors are factors that initiate or promote the onset of any illness,... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Fetus

The science of Embryology and Fetal development has fascinated mankind since time immemorial. After the embryonic stage, the... Read More

Fibrinous exudate

What Is Fibrinous Exudate? Fibrinous exudate is a type of exudate (inflammatory fluid) that forms at the site of tissue... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Agglutinin

Definition noun, plural: agglutinins Any substance, usually of biological origin, that causes agglutination or clumping... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Unicellular

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

Agglutination

Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More

Predisposing factors

All organisms can be born with or develop a disease at any point in their lifetime. When someone is born with a disease, it... Read More

Aerobic bacteria

Aerobic Bacteria Definition What does aerobic mean in biology? As the name suggests, 'aerobe' in biology means organisms... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Hypersensitivity

Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More

Glycogen

Definition noun plural: glycogens gly·co·gen, glī′kə-jən A multi-branched polymer of glucose, mainly produced in... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Radiation

radiation (Science: radiobiology) propagation of energy through space. In the context of this report, it is electromagnetic... Read More

Turgidity

Turgidity Definition Turgidity is the state of being turgid or swollen, especially due to high fluid content. In a general... Read More

Fermentation

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

Reservoir host

Reservoir Host Definition A reservoir host is a host that harbors the pathogen and serves as a source of the infective... Read More

Lanugo

What is Lanugo? Lanugo is the delicate and downy hair that covers a fetus within the uterus (womb). It is very fine hair.... Read More

Fructooligosaccharide

Definition noun plural: fructooligosaccharides fruc·to·ol·i·go·sac·cha·ride, ɪhɡəʊˈsækəɹaɪd An... Read More

Galacto-oligosaccharide

Definition noun plural: galacto-oligosaccharides ga·lac·to·ol·i·go·sac·cha·ride An oligosaccharide made up of... Read More