In fact, someone began ringing the church bells which usually signified a fire. The sentry called for help, setting up the clash which we now call the Boston Massacre. A group of soldiers led by Captain Thomas Preston came to the rescue of the lone sentry. Captain Preston and his detachment of seven or eight men were quickly surrounded. All attempts to calm the crowd proved useless. At this point, the accounts of the event vary drastically.
chief cells - One of the two glandular epithelial cell types located in the basal half of gastric glands; they synthesize and secrete pepsinogen, the inactive precursor to the proteolytic enzyme pepsin; they appear smaller and with a more darkly staining granular cytoplasm than the neighboring parietal cells.
These tumors originate from normal cells in the pineal gland. The pineal gland is located in the center of the brain and is involved in the secretion of specific hormones. Tumor types occurring in the pineal region may or may not involve the pineal gland. True pineal cell tumorsâpineocytoma, pineoblastoma, and mixed pineal tumorsâare covered on this page.