| 释义 | 
		Definition of midpiece in English: midpiecenoun ˈmɪdpiːs 1Chiefly Biology. A middle section or part of a structure, organism, etc. 2Cell Biology. A region of the spermatozoon located behind the neck and ensheathed in closely-packed mitochondria. 3Immunology. A component of complement identified in the euglobulin fraction (consisting chiefly of the first component, C1). Now historical. 
 Origin   Late 19th century; earliest use found in American Naturalist. From mid + piece.    Definition of midpiece in US English: midpiecenounˈmɪdpiːs 1Chiefly Biology. A middle section or part of a structure, organism, etc. 2Cell Biology. A region of the spermatozoon located behind the neck and ensheathed in closely-packed mitochondria. 3Immunology. A component of complement identified in the euglobulin fraction (consisting chiefly of the first component, C1). Now historical. 
 Origin   Late 19th century; earliest use found in American Naturalist. From mid + piece.     |