laminar flow hood
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made up of laminae or layers; pertaining to a lamina.
laminar flow hood a device that separates the air flowing through it into layers, cleansing the air of microorganisms. It is used to protect patients with compromised immune systems and is also used in operating rooms and pharmacies to provide a clean environment.
lam·i·nar flow hood(lam'i-năr flō hud)
An enclosure in which air flow is directed so as to prevent contamination of sterile materials by airborne organisms.