particle

(redirected from viral particle)
Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia.

particle

 [pahr´tĭ-k'l]
an extremely small mass of material.
alpha p's see alpha particles.
beta p's see beta particles.
Dane particle an intact hepatitis B virion.
elementary particle any of the subatomic particles, including electrons, protons, neutrons, positrons, neutrinos, and muons.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

par·ti·cle

(par'ti-kĕl),
1. A small piece or portion of anything.
2. An elementary particle such as a proton or electron.
[L. particula, dim. of pars, part]
Farlex Partner Medical Dictionary © Farlex 2012

par·ti·cle

(pahr'ti-kĕl)
1. A small piece or portion of anything.
2. An elementary particle such as a proton or electron.
[L. particula, dim. of pars, part]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

par·ti·cle

(pahr'ti-kĕl)
1. A small piece or portion of anything.
2. An elementary particle such as a proton or electron.
[L. particula, dim. of pars, part]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
In addition, some retroviruses (HIV-1) have a tendency to package some cellular proteins nonspecifically, and DNA ligase activity has been previously demonstrated for viral particles [47].
If the second person then goes on to touch his nose or mouth, he will deposit viral particles which will go on to infect cells and so the cold is passed on.
Electron microscopic identification of viral particles in the lesions confirmed the diagnosis.
However new and improved versions are now available which are designed to filter at least 99% of viral particles from entering the lungs by providing FFP3 particle filtration.
The research suggests humidity is important because it affects the transmission and survival of viral particles in airborne droplets.
This results in the release of non-infectious viral particles and the termination of viral replication; immature viral particles are rapidly cleared from the plasma by the immune system [9].
Scientists used an antibody technique to track the viral particles. They discovered the virus was only in the mite's gut, suggesting it was merely eaten.
Second, an infected cell can infect directly a second cell, without virion release, and third, dendritic cells (DCs) can capture viral particles via binding to C-type lectins presenting the virus to surrounding lymphocytes in a cell environment named viral synapse (Piguet and Sattentau, 2004).
In addition, the viral particles were destroyed within five minutes following contact with the coating, regardless of concentration.
It was also shown that HAV RNA in the saliva of patients with HAV infection contained lesser number of viral particles than in the serum suggesting its vital role in viral transmission.
It's a sobering thought that viral particles, so miniscule that they practically don't exist, can cause such devastation.