Category: Z

A toxic pesticide that releases hydrogen phosphide after exposure to water. Its chemical formula is Zn3P2.  

Parallel lines, usually three long ones, with a series of short lines drawn at regular intervals across one of the lines at approx. 60 degrees. Similar lines are drawn across the second line at the angle of approx. 120 degrees. Short lines are drawn across the third at the same angle as on the first…

A type of lens that can be adjusted to focus on near or distant objects. A remarkable category of camera lens, utilized in both photography and television, is the variable focal length objective. This innovative design grants the ability to achieve diverse magnifications without necessitating any physical movement of either the camera or the subject…

An injection technique in which the surface (skin and subcutaneous) tissues are pulled and held to one side before the needle is inserted deep into the muscle tissue in the identified site. The medication is injected slowly, followed by a 10-sec delay, at which time the needle is removed and the tissues are quickly permitted…

A granule present in gland cells, especially the secretory cells of the pancreas, the chief cells of the gastric glands, and the serous cells of the salivary glands. It is the precursor of the enzyme secreted.  

One of the interlacing fibers of the zonula ciliaris.  

Cirrhosis resulting from infestation with hepatobiliary parasites, especially blood flukes of the genus Schistosoma or liver flukes, Clonorchis sinensis.  

Dental cement that can be used to attach cast restorations and orthodontic appliances and as a thermal insulating base. It forms an adhesive bond with enamel. It is produced by mixing a powder containing zinc oxide and magnesium oxide with a liquid solution of poly acrylic acid.  

The oldest of the dental cements, composed of a powder (zinc oxide and magnesium oxide) and a liquid (phosphoric acid and water). An acid-base reaction occurs when the powder and liquid are mixed. The set cement is unreacted zinc oxide particles suspended within a matrix of zinc aluminophosphate. The cement is used for inlays, crowns,…

A cement and protectant used in dentistry.