49 results found

Search Results for: infect

Pathogen

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

HSV-2- and HIV-1- permissive cell lines co-infected by HSV-2 and HIV-1 co-replicate HSV-2 and HIV-1 without production of HSV-2/HIV-1 pseudotype particles

Jérôme LeGoff1, Hicham Bouhlal1, Maxime Lecerf1, Christophe Klein2, Hakim Hocini1, Ali Si-Mohamed1, Martin Muggeridge3 and... Read More

Parasitism

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

Microbe

Microbe Definition What is a microbe? How do we define microbes?  Microbes refer to microorganisms that cannot be seen by... Read More

Coccidia

Coccidia (singular: coccidium) are sporozoans that live as parasites of the digestive tracts of certain animals. The... Read More

Virulence

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

Lytic cycle

Definition noun One of the two cycles of viral reproduction (the other being the lysogenic cycle), which is usually... Read More

Trematode

Definition noun, plural: trematodes A common name for the species belonging to the Class Trematoda, which is characterized... Read More

Anthroponosis

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

Mac

Mac a serious opportunistic infection caused by two similar bacteria (mycobacterium avium and mycobacterium intercellulare)... Read More

Schistosoma

Definition noun (taxonomy) A genus of the Phylum Platyhelminthes that is comprised of parasitic... Read More

Tapeworm

Definition noun, plural: tapeworms Any of the ribbon-like parasitic worms of the class Cestoda, characterized by possessing... Read More

Accidental host

Accidental host One that harbors an organism which usually does not infect... Read More

Ascaris

Definition noun A genus comprised of species of parasitic nematodes characterized by resembling earthworms and having... Read More

Symbiosis

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

Streptolysin O

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

Wuchereria bancrofti

Definition A species of the family Onchocercidae that infects the lymphatic system and causes lymphatic... Read More

Trichomonas vaginalis

Definition noun A parasitic flagellated protozoan that may infect the vagina and the urethra of women and the urethra and... Read More

Streptolysin S

Definition noun A nonantigenic, oxygen-stable β-hemolytic enzyme produced by some bacteria, especially... Read More

Glycocalyx

What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More

Semilunar valve

The human heart structure consists of heart chambers (2 atria and 2 ventricles) that differ functionally from each other.... Read More

Enterobacter aerogenes

Definition Noun A gram-negative rod shaped motile and encapsulated bacterium and have peritrichous flagella that surrounds... Read More

Yellow fever virus

Definition noun, plural: yellow fever viruses A Flavivirus species containing positive-sense, single-stranded RNA with about... Read More

Human milk oligosaccharide

Definition noun plural: human milk oligosaccharides An oligosaccharide that occurs in high concentrations and exclusively... Read More

Parasitoid

Definition noun, plural: parasitoids An organism that lives on or inside the host at one phase in its life cycle, and... 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

Plaque assay

Definition noun An assay used for virus isolation and purification, and to determine viral titers. Supplement The plaque... Read More

Plaque-forming unit

Definition A measure of the quantity of individual infectious particles (e.g. virus particles) based on the number of... Read More

Fermentation

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

Hypertonic

Hypertonic Definition Hypertonic is a term used to describe an entity being in the state of hypertonicity, where there is a... 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

Susceptible

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

Temperate phage

Definition noun, plural: temperate phages A bacteriophage that displays lysogenic life cycle in contrast to virulent phage... Read More

Temperate virus

Definition noun A virus that does not cause immediate lysis following entry to its host but remains in a latent state,... Read More

Fluke

Definition noun, plural: flukes (1) (ichthyology) Summer flounder, Paralichthys dentatus (a flatfish) (2) (cetology) Either... Read More

Trematoda

Definition noun (taxonomy) A class of the Phylum Platyhelminthes that is comprised of parasitic flukes Supplement The phylum... Read More

Crown of head

Crown of Head Definition The crown of the head is the upper dorsal part (or area) of the head. Several creatures have... Read More

Host cell

Host Cells Definition What is a host cell? A host cell is a living cell that serves as a shelter and a food source to the... Read More

Genome

Genome Definition What is a genome? As defined in biology, a genome is a complete set of deoxyribonucleic acid (DNA) within... Read More