Descriptor : Type of sieve (IW)
Descriptor type : categorical
Sieve: Aditional sheath stemmed from pores subdivisions.
Subdivided pore: Pores irregularly divided by radial protrusions of lintels.
Protrusion: Rod divided pores.
Lintel: Skeletal structure separating and bounding adjacent pores.
IW: Inner wall.
- Protrusions aren't completely connected
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Syn.: Incipient pore subdivision.
- Protrusions are completely connected
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Syn.: Completely subdivided pores.
- Radial protrusions forming screen
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completely subdivided pores
- isn't included in the term
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