zygotomere, n.

zygotomere
http://www.oed.com/dictionary/zygotomere_n%3Ftab%3Dmeaning_and_use
First published 1921; not fully revised

# zygotomerenoun

## Factsheet

### What does the noun zygotomere mean?

There is one meaning in OED's entry for the noun zygotomere. See ‘Meaning & use’ for definition, usage, and quotation evidence.

#### Entry status

OED is undergoing a continuous programme of revision to modernize and improve definitions. This entry has not yet been fully revised.

### Where does the noun zygotomere come from?

Earliest known use

1890s

The earliest known use of the noun zygotomere is in the 1890s.

OED's only evidence for zygotomere is from 1899, in a text by T. Clifford Allbutt, physician, et al.

### Nearby entries

1. zygostat, n. 1623
2. zygostatical, adj. 1656
3. zygostyle, n. 1881–
4. zygote, n. 1891–
5. zygotene, n. 1911–
6. zygotic, adj. 1909–
7. -zygotic, comb. form
8. zygotically, adv. 1915–
9. zygotoblast, n. 1899–
10. zygotoid, n. 1891–
11. zygotomere, n.1899–
12. -zygous, comb. form
13. zygozoospore, n. 1881–
14. Zyklon, n. 1939–
15. zymad, n. 1885–
16. zymase, n. 1875–
17. zymate, n. 1817–19
18. zyme, n. 1882–
19. zymic, adj. 1817–26
20. zymin, n. 1842–
21. zyminized, adj. 1888–

## Etymology

Greek μέρος part.

## Meaning & use

Biology.

1. 1899–
   One of a number of cells formed by segmentation of a zygote in the malaria parasite or other Sporozoa.
   Stressed as zyˈgotomere.
   1. 1899

      > Nucleus and protoplasm divide into a number of zygotomeres, which become blastophores, each bearing on its surface..a large number of filamentous zygotoblasts.

      T. C. Allbutt et al., System of Medicine vol. VIII. 945
   life sciences pathology physiology
   1. zoozygosphere 1880–
      (In algae and fungi) a motile gamete; also called planogamete, zoogamete.
   2. zygotoblast 1899–
      One of a number of germ-cells or sporozoites produced by budding from a zygotomere (see below).
   3. zygotomere 1899–
      One of a number of cells formed by segmentation of a zygote in the malaria parasite or other Sporozoa.
   View in Historical Thesaurus

Originally published as part of the entry for zygote, n.

zygote, n. was first published in 1921; not fully revised.