sieve graft n.
A full-thickness skin graft taken after cutting multiple holes in it with a circular punch, thus leaving islands of skin to heal the donor area.
noun, Mathematics. 1. a method of obtaining prime numbers by sifting out the composite numbers from the set of natural numbers so that only prime numbers remain.
noun, Botany. 1. an elongated cell whose walls contain perforations (sieve pores) that are arranged in circumscribed areas (sieve plates) and that afford communication with similar adjacent cells. sieve cell (sĭv) An elongated, food-conducting cell in phloem characteristic of gymnosperms. Sieve cells have pores through which nutrients flow from cell to cell, but they have […]
noun 1. Eduard [ey-doo-ahrt] /ˈeɪ du ɑrt/ (Show IPA), 1850–1932, German philologist.
noun, Physics. 1. the standard unit in the International System of Units (SI) of dose equivalent having the same biological effect as one joule of x-rays per kilogram of recipient mass (or one gray): The average person receives about 2 to 3 one-thousandths of a sievert per year from naturally occurring radiation in the environment. […]