Descripteur : Shape of carcass canals tubes (OW/SW)

Type du descripteur : categorical

NB: Look to tube shape not opening shape.

Canal: Pore modified by skeletal structure thikening or by lintels streching. Canal length is greater than perforation diameter.

Lintel: Skeletal structure separating and bounding adjacent pores/canals.

Carcass: Part of wall on intervallum side.

OW: Outer wall.

SW: Single wall.

../images/017forme_canauxOW.png

Shape of carcass canals tubes (OW/SW)

Straight

../images/canaux_droits_meI.png

Straight

S-shaped

S-shaped: Resembles S in longitudinal section.

Curved

syn. subspherical chambered canals.

../images/canaux_chambre_subspherique_meI.png

Curved

Hiérarchie

Type of carcass perforations: outer wall or single wall (OW/SW)
 |
 |_ Shape of carcass canals tubes (OW/SW)

Fait partie des groupes