96 results found

Search Results for: pathogen

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

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

Phagocytosis

Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More

Incubation period

Incubation Period Definition The incubation period is the time duration between exposure to the pathogen and the appearance... Read More

Virulence

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

The consequences of antibiotic use in horticulture

Leading articlesFrederick R. Falkiner* Department of Clinical Microbiology, Trinity College, Dublin; Central Pathology... Read More

Antigenic variation

Definition noun, plural: antigenic variations (immunology) The changing of surface proteins by an infectious agent to evade... Read More

Inoculum

Inoculum Definition Inoculation is a term often heard in microbiology, one of the branches of biology that deals with the... Read More

Pathogenicity

Definition noun, plural: pathogenicities The capability (of a pathogenic agent) to cause disease Supplement Pathogenicity... 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

Phagosome

Definition noun plural: phagosomes phag·o·some, ˈfæg əˌsoʊm (cell biology) A vesicle that forms by pinching off... Read More

Zoonosis

Zoonosis Definition Zoonosis is an infectious disease that can be transmitted from an animal to a human host. Originally a... Read More

Monocyte

Monocytes Definition Monocytes are a subset of white blood cells (WBCs) or leukocytes that originate in the bone marrow.... Read More

Suppurative inflammation

Definition noun A type of inflammation accompanied by the discharge of purulent exudate (pus) Supplement Inflammation is a... Read More

Leukocytosis

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

Plant Cell Defense

Hydrogen Peroxide Plants release hydrogen peroxide in response to the presence of a fungal invasion, which attacks by... Read More

Susceptible

Resistance, vulnerability, sensitivity, tolerance, and susceptibility are some highly important terminologies across the... Read More

Sexually transmitted disease

Definition noun, plural: sexually transmitted diseases (pathology) A disease that is primarily contracted through sexual... Read More

Natural reservoir

Definition noun A reservoir host harboring the pathogen but shows no ill effects and serves as a source of... Read More

Carrier

Definition noun, plural: carriers (general) A person or object that transports or conveys. (immunology) An asymptomatic... Read More

Neutralization

Definition noun (general) The act or process of making neutral. (chemistry) A chemical reaction in which an acid and a base... Read More

Anthroponosis

Definition noun, plural: anthroponoses An infectious disease that can be transmitted from a human host to an animal... Read More

Cork

Definition noun, plural: corks (botany) A part of the periderm that protects the inner plant tissues from mechanical... Read More

Biotic factor

Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More

Prodromal period

There are five stages (or phases) of a disease. (Hattis, 2020). These stages are (1) Incubation period, (2) Prodromal... Read More

Tree

“The biological diversity is plenty if you look around yourself a little closely; with an eye for life!” … People... Read More

Integumentary system

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

Dysentery

Definition noun A disorder marked by the inflammation of the intestines particularly the colon, and hemorrhagic... Read More

Neisseria flavescens

Definition Noun A gram-negative saprophytic bacterium found normally in the nasopharynx, mouth and upper respiratory tracts... Read More

Artificial passive immunity

Definition noun A passive immunity acquired by means of injection of serum containing antibodies to an individual who may... Read More

Natural active immunity

Definition noun An active immunity acquired by experiencing and having recovered from a disease. Supplement Active immunity... Read More

Mutualism

Mutualism Definition What is mutualism? In biology and ecology, a mutualism is a form of symbiosis that is characterized by... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Gastric juice

Definition noun The acidic digestive fluid secreted by various glands in the stomach lining into the lumen of the stomach,... Read More

Cutin

Definition noun, plural: cutins (botany) A waxy polymer of hydroxy acids in the cuticle of plants (medicine) An animal... Read More

Suberin

Definition noun, plural: suberins (botany) A lipophilic complex polyester biopolymer that occurs in the cell... Read More

Gastric acid

Definition noun (1) The hydrochloric acid present in the gastric juice (2) The gastric juice itself Supplement The gastric... Read More

Acinetobacter lwoffii

Definition Noun A gram-negative aerobic and non-fermentative bacterium involved as a normal flora of the skin, perineum and... Read More

Locus

Definition noun, plural: loci (general) A place, space or locality, especially a centre of an activity. (mathematics) The... Read More