Anat0238
Pine (Pinus) tight knot.
Anat0249
Pine (Pinus) wood showing dwarf branch tight knots.
Anat0281
Pine (Pinus) wood tight knot.
Anat0243
Pine (Pinus) board with tight knots.
Anat0247
Pine (Pinus) board with showing pith of trunk and a side branch.
Anat0248
Pine (Pinus) board with two lateral branch tight knots.
Anat0252
Pine (Pinus) board with pith in both main stem and lateral branch, and also dwarf branch knots.
Anat0244
Pine (Pinus) board showing dwarf branch knots.
Anat0242
Pine (Pinus) board with pit and dwarf branch bud knots.
Anat0250
Pine (Pinus) transition from tight to loose knot.
Anat0245
Pine (Pinus) loose knot.
Anat0241
Pine (Pinus) loose knot.
Anat0246
Pine (Pinus) loose knot.
Anat0240
Loose knot in Pine (Pinus).
Anat0239
Pine (Pinus) loose knot (the hole).
Anat0251
Cross section of non-porous woods, from top: western hemlock (Tsuga heterophylla), scrub pine (Pinus virginiana), white fir (Abies concolor, and redwood (Sequoia sempervirens.
Anat0217
Woody oak (Quercus) stem cross section.
Anat0275
Wood block showing cross, radial, and tangential sections.