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Tangential section through the stem of pine: tracheids with bordered pits, torus
![](/public/Final-Images/PL_Final685m_101-150/PL0117_685mHofStippelPineTorusBorderedPitTangentialDetail.jpg)
Legend:
1 bordered pit
2 tracheid
English name: Pine
Scientific name: Pinus sp.
Familia: Pinaceae
Classis: Coniferopsida
Phylum: Gymnospermae
Regnum: Plantae
The primary wall of in pits is permeable for water and minerals