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单词 midpiece
释义

Definition of midpiece in English:

midpiece

noun 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:

midpiece

nounˈmɪdpiːs

  • 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.
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更新时间：2025/11/4 19:08:37