Descriptor : Chambers number

Descriptor type : categorical

Chamber: Space bounded by adjacent arched tabulae and their contiguous walls in a thalamid cup.

Tabula (plur. tabulae): Transverse porous partition linking both walls of a two-walled cup.

1

Single-chambered: Cup incorporating one chamber only.

Several

Multichambered: Cup incorporating two or more chambers.

isn't included in the term

Hierarchy

Chambers
 |
 |_ Chambers number
    |
    |_ Chambers stack {1 , isn't included in the term}