Descripteur : Porosity of vertical intervallar structures

Type du descripteur : categorical

Vertical intervallar structures: Longitudinal and often radial structures inside the intervallum (septa, taeniae...).

Intervallum: Space enclosed between the walls.


Aporous

Aporous: No pore.

One row of pores per vertical structure

NB: A single longitudinal row of pores of diameter subequal to intervallum width.

Multiperforate

Multiperforate: Several rows of pores with a smaller diameter than intervallum width.


Hiérarchie

Presence of vertical intervallar structures
 |
 |_ Porosity of vertical intervallar structures
    |
    |_ Repartition of vertical intervallar structures pores {Aporous , One row of pores per vertical structure}
    |
    |_ Porosity type of vertical intervallar structures {Aporous , One row of pores per vertical structure}
    |
    |_ Pores shape of vertical intervallar structures {Aporous}

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