Descripteur : Localization of carcass annuli according tabulae (IW)

Type du descripteur : categorical

Annulus (plur. annuli): Ring-shaped (annular) plate separating horizontal rows of pores.

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

Carcass: Part of wall on intervallum side.

IW: Inner wall.

Annuli in front of tabulae only

Annuli in front AND between tabulae

Annuli between each tabulae only

Annuli and tabulae arise independently.

No tabula

Hiérarchie

Type of carcass external plates (IW)
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 |_ Localization of carcass annuli according tabulae (IW)

Fait partie des groupes