Descripteur : Shape of subsequent chambers
Type du descripteur : 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.
- Subspherical
-
Subspherical: Cup nearly spherical (oblate).
Globose: Spherical.
- Matresslike
-
Matresslike: quite flat.