Tracheid | Vessel |
They have comparatively narrow diameter. | They have comparatively wide diameter. |
They have very few large pits. | They have numerous small pits. |
They are imperforated cells. | They are perforated cells. |
Walls are more thickened with narrow lumen. | Walls are less thickened with wide lumen. |
They are conducting element of pteridophytes and gymnosperms. | They are conducting element of angiosperms. |