BioConcepts

centromereCentromer (ger.)

• 1) That part of the sperm containing the central bodies; especially the neck-region.
  category cell

  1901-03

  Man kann versucht sein, an jedem Spermium ein Karyomer, Centromer und Cytomer zu unterscheiden, wobei ich unter Cytomer den protoplasmatischen Anteil verstanden wissen möchte. Der Kopf würde dann im wesentlichen dem Karyomer, der Hals als wesentliches Centrosomenstück, dem Centromer, der Rest dem Cytomer entsprechen.

  Waldeyer, W. (1901-03). Die Geschlechtszellen. In: Hertwig, O. (ed.) (1906). Handbuch der vergleichenden und experimentellen Entwicklungslehre der Wirbeltiere, vol. 1, part 1, 86-476: 204.

  1925

  Centromere, that part of the sperm containing the central bodies; especially the neck-region.

  Wilson, E.B. (1925). The Cell in Development and Inheritance, 3rd ed.: 1127.

• 2) The part of a chromosome to which the spindle is attached during mitosis. (OED 2011)
  category cell

  1936

  The chromosomes of the Acridinae […] have always been described as of two types, with submedian and with terminal centromeres (or spindle attachments).

  Darlington, C.D. (1936). Crossing-over and its mechanical relationships in Chorthippus and Stauroderus. Journal of Genetics 33, 465-500: 466.

  1936

  the “spindle fibre attachment chromosome”, or centromere, as it may more conveniently be described

  Darlington, C.D. (1936). The external mechanics of the chromosomes, I. The scope of enquiry. Proc. Roy. Soc. Lond. Ser. Biol. Sci. 121, 264-273: 266.