Vacuum phenomenon (in the nucleus pulposis of the intervertebral disc below the retrolisthesis), This is a sign of tearing of the disc cartilage. Reduction of disc height with corresponding loss of the disc space, Marginal sclerosis (more dense due to more mechanical stress) of the adjacent vertebral bodies,
T cells, which secrete antibodies. c. macrophages, which produce histamines. d. B cells, which react with antigen-MHC complexes. e. T cells, which react with antigen-MHC complexes. ____ 114. You had a cold last month and you caught another one this month from your daughter.
Modes of Secretion. Secretory cells of exocrine glands release their products into ducts in three different ways. The mode of secretion can be classified as merocrine, apocrine, or holocrine. Cells that secrete products via the merocrine method form membrane-bound secretory vesicles internal to the cell.odes of Secretion. Secretory cells of exocrine glands release their products into ducts in three different ways. The mode of secretion can be classified as merocrine, apocrine, or holocrine. Cells that secrete products via the merocrine method form membrane-bound secretory vesicles internal to the cell.