Sieve graft
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.
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- Sieve-of-eratosthenes
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.
- Sieve-plates
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 […]
- Sievers
noun 1. Eduard [ey-doo-ahrt] /ˈeɪ du ɑrt/ (Show IPA), 1850–1932, German philologist.
- Sievert
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. […]
- Sieve-tube
noun, Botany. 1. a vertical series of sieve cells in the phloem, specialized for the conduction of food materials. 2. a single sieve cell. noun 1. (botany) an element of phloem tissue consisting of a longitudinal row of thin-walled elongated cells with perforations in their connecting walls through which food materials pass