41. The ground tissue usually consists mainly of parenchyma cells and fills in around the vascular tissue. 42. These are supported by parenchyma cells which provide padding and include fibres for strengthening the tissue. 43. The base consists largely of parenchyma . 44. The larvae eat the entire parenchyma , leaving merely the dark discoloured cuticles of the leaf. 45. Most of the parenchyma is consumed, with only a few patches in the center remaining. 46. When the larva changes into a tissue-feeder, it feeds in the palisade parenchyma . 47. Papillary tumors characteristically show a discrete, compressive border with adjacent pineal gland and brain parenchyma . 48. This procedure retains the thyroid parenchyma . 49. Rays are horizontal rows of long-living parenchyma cells that arise out of the vascular cambium. 50. For example, in chronic hepatitis B, there is infiltration of the liver parenchyma with lymphocytes.
