seal

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Related to sealed: Sealed Air, Hermetically sealed

seal

(sēl),
1. A tight closure.
2. To effect a tight closure.

SEAL

Heart surgery A clinical trial–Simple & Effective Arterial Closure Study which evaluated the safety and efficacy of the Duett vascular sealing device

seal

Public health Any air- and/or water-tight closure on a product–blood components, medications intended to maintain a product sterilely until used by a consumer; products with broken seals should be discarded

staining, fluorescein 

The artificial coloration of tissue by fluorescein. Under ultraviolet illumination, it stains dead or degenerated corneal epithelial cells due to abrasions, old age or following inadequate contact lens fit, a yellowish-green colour. It also stains the tears, thus facilitating the evaluation of tear drainage or the blood flow through the retina and choroid when injected intravenously. Corneal staining resulting from contact lens wear may present in various shapes, locations, depths or severity. A very common form is punctate staining as appears in punctate epithelial keratitis. There may be arcuate stains located in different parts of the cornea, some inferiorly (called inferior epithelial arcuate lesions) or superiorly (called superior epithelial arcuate lesions, acronym: SEAL, or epithelial splitting), which usually do not give rise to symptoms and appear mainly with soft or silicone hydrogel lenses. A very severe form of staining is called epithelial plug. It is typically round in shape and represents a loss of the full thickness of the epithelium. Corneal staining resulting from contact lens wear typically disappears after cessation of contact lens wear. See fluorescein angiography; dye dilution test; fluorescein test.

seal

(sēl)
1. Tight closure.
2. To effect a tight closure.

Patient discussion about seal

Q. HONEY Use honey to seal MRSA (METHICILLIN-RESISTANT STAPHYLOCOCCUS AUREUS) wound.

A. honey has an antimicrobial activity due to it's acidity, osmotic power and hydrogen peroxide. about MRSA - there is a New Zealandic research about a type of honey that is effective against infections of MRSA. but it's only one research and another investigation is required.

More discussions about seal
References in periodicals archive ?
The first major product application for Pave epoxy seals was in providing electrical seals in nuclear glove boxes, which are shielded, mechanical arm- or gloveport-equipped sealed enclosures for handling hazardous materials.
The film is sealed in the length direction first, thus reducing the film width to a minimum, the cross seal is via a travelling end seal jaw which allows smooth product flow rather than the 'stop'/'start' motion of a fixed end seal jaw.
Sealed CO (5-500 watts) and Nd:Yag laser systems (diode and lamp pumped), laser tubes, XY and flying optics cutting tables, marking and engraving systems with on-the-fly technology.
Excited d-c sealed [CO.sub.2] laser systems, laser tubes, XY tables, marking systems for engraving and cutting on-the-fly, and customized turnkey material-handling equipment with job shop and feasibility testing in R&D laser lab.
Sealed C[O.sub.2] laser systems, laser tubes, and customized automated turnkey systems.
Sealed ink cups represent the most revolutionary change in pad printing equipment of the last five years.
Thermoplastic textiles and film can be continuously sealed, slit, embossed and laminated.
The Elba unit is equipped with a round plate that removes the wrinkles in the film before it is slit and sealed. The knife is heated by a PID temperature controller that accurately regulates the degree of heating.