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In microbiology, in vivo is often used to refer to experimentation done in a whole organism, rather than in live isolated cells, for example, cultured cells derived from biopsies. In this situation, the more specific term is ex vivo. Once cells are disrupted and individual parts are tested or analyzed, this is known as in vitro. [citation needed]
Ex vivo brainstem: (A) coronal view displaying the anterior portion of the tissue sample, (B) sagittal view displaying the left-hand side of the tissue sample [1] Ex vivo ( Latin: "out of the living") literally means that which takes place outside an organism. [2] In science, ex vivo refers to experimentation or measurements done in or on ...
in vivo: in life/in a living thing: An experiment or process performed on a living specimen. in vivo veritas: in a living thing [there is] truth: An expression used by biologists to express the fact that laboratory findings from testing an organism in vitro are not always reflected when applied to an organism in vivo. A pun on in vino veritas.
To compensate for this problem, in vivo experimentation allowed testing to occur in the original organism or environment. To bridge the dichotomy of benefits associated with both methodologies, in situ experimentation allowed the controlled aspects of in vitro to become coalesced with the natural environmental compositions of in vivo ...
In vino veritas is a Latin phrase that means 'in wine, there is truth', suggesting a person under the influence of alcohol is more likely to speak their hidden thoughts and desires. The phrase is sometimes continued as, in vīnō vēritās, in aquā sānitās, 'in wine there is truth, in water there is good sense (or good health)'.
In silico. In biology and other experimental sciences, an in silico experiment is one performed on a computer or via computer simulation software. The phrase is pseudo-Latin for 'in silicon' (correct Latin: in silicio ), referring to silicon in computer chips. It was coined in 1987 as an allusion to the Latin phrases in vivo, in vitro, and in ...
Hemolysis or haemolysis ( / hiːˈmɒlɪsɪs / ), [1] also known by several other names, is the rupturing ( lysis) of red blood cells (erythrocytes) and the release of their contents ( cytoplasm) into surrounding fluid (e.g. blood plasma ). Hemolysis may occur in vivo or in vitro . One cause of hemolysis is the action of hemolysins, toxins that ...
Insemination. Insemination is the introduction of sperm into a female's reproductive system for the purpose of impregnating, also called fertilizing, the female for sexual reproduction. The sperm is introduced into the uterus of a mammal or the oviduct of an oviparous (egg-laying) animal. Female mammals are inseminated during sexual intercourse ...