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.
: The salivary glands are ductile glands that are present in the mouth. Salivary glands consist of two types of secretory cells. First, would be the serous cells that secrete the digestive enzyme amylase and the second would be the mucus cells which secrete the thick slimy fluid mucus.