olemus
struktuuri algüksus, näiteks
- bioloogias
- kärgsides
- ATM-andmesides
- automaaditeoorias

Wiktionary:
12. (biology) the basic unit of a living organism, consisting of a quantity of protoplasm surrounded by a cell membrane, which is able to synthesize proteins and replicate itself
14. (computing) the minimal unit of a cellular automaton that can change state and has an associated behavior
The upper right cell always starts with the color green.
16. a small group of people forming part of a larger organization, often an outlawed one
Those three fellows are the local cell of that organization.
17. (communication) a short, fixed-length packet as in asynchronous transfer mode
Virtual Channel number 5 received 170 cells.
18. (communication) a region of radio reception that is a part of a larger radio network
I get good reception in my home because it is near a cell tower

näiteid
https://en.wikipedia.org/wiki/Cell_(biology)
https://en.wikipedia.org/wiki/Cellular_automaton
https://en.wikipedia.org/wiki/Photodetector
https://en.wikipedia.org/wiki/Cellular_network
https://en.wikipedia.org/wiki/Asynchronous_Transfer_Mode#Layer_2_%E2%80%93_Datagrams

vt ka
- femtorakk
- makrorakk
- mikrorakk
- mälurakk
- pikorakk
- rakkautomaat
- väikerakk