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Streaking. A streaker at the 2006 Harvard–Yale game in Cambridge, Massachusetts. Streaking is the act of running naked through a public area for publicity, for fun, as a prank, a dare, a form of protest, [1] or to participate in a fad. Streaking is often associated with sporting events [citation needed], but can occur in more secluded areas.
Streaking (microbiology) A plate which has been streaked showing the colonies thinning as the streaking moves clockwise. In microbiology, streaking is a technique used to isolate a pure strain from a single species of microorganism, often bacteria. Samples can then be taken from the resulting colonies and a microbiological culture can be grown ...
Hemoptysis. Lower left: Inflammation of the bronchus can bring about bloody mucus. Hemoptysis or haemoptysis is the discharge of blood or blood-stained mucus through the mouth coming from the bronchi, larynx, trachea, or lungs. It does not necessarily involve coughing. In other words, it is the airway bleeding.
Blood-streaked sputum –an indicator of possible inflammation of the throat (larynx and/or trachea) or bronchi; lung cancer; other bleeding erosions, ulcers, or tumors of the lower airway. Pink sputum – it indicates sputum evenly mixed with blood from alveoli and/or small peripheral bronchi as is seen in potential pulmonary edema.
An agar plate is a Petri dish that contains a growth medium solidified with agar, used to culture microorganisms. Sometimes selective compounds are added to influence growth, such as antibiotics. [1] 96 pinner used to perform spot assays with yeast, fungal or bacterial cells. Individual microorganisms placed on the plate will grow into ...
Streak (mineralogy) The streak of a mineral is the color of the powder produced when it is dragged across an un weathered surface. Unlike the apparent color of a mineral, which for most minerals can vary considerably, the trail of finely ground powder generally has a more consistent characteristic color, and is thus an important diagnostic tool ...
Phlegm. A substance of phlegm. Phlegm (/ ˈflɛm /; Ancient Greek: φλέγμα, phlégma, "inflammation", " humour caused by heat") is mucus produced by the respiratory system, excluding that produced by the throat nasal passages. It often refers to respiratory mucus expelled by coughing, otherwise known as sputum. Phlegm, and mucus as a whole ...
The group of streamlines enclose the green curves ( and ) to form a stream surface. Streamlines, streaklines and pathlines are field lines in a fluid flow. They differ only when the flow changes with time, that is, when the flow is not steady. [1] [2] Considering a velocity vector field in three-dimensional space in the framework of continuum ...