Microscopic characteristics of coniferous wood

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Resin canals

   
  Intercellular canals containing resin.
Resin canals are axially and radially oriented.

Section

r
radial
t tangential
q transversal

Diagnostic
Value

h
high
me medium
mo modest

 
 
  Resin canals with thin-walled epithelial cells. q/t h
  Resin canals with thick-walled epithelial cells. q/t h
  Resin canal in longitudinal section. r mo
  Sharp transition from earlywood to latewood. q me
  Continous transition from earlywood to latewood. q mo
  Traumatic resin canals
(produced by injury).
q mo
  Traumatic parenchyma cells may be present in all coniferous woods. q mo  
  Parenchyma cells with colored contents. q/t h  

  © / authors / citation / 12.05.04

 

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