Topaz Crystals Found in Maine

Pituitary Gastrins Occur in Corticotrophs and Melanotrophs

“…2). Component I and gastrin-34 are believed to be precursors to gastrin-17 (11,12). The distribution of immunoreactive gastrins and CCK's in pituitary and hypothalamus accords well with the immunocytochemical data.…”

“…Gastrin concentrations were highest in isolated pars (Table 1). Still lower gastrin concentra- 14 AUGUST 1981 described (3,5,11), mild trypsin treatment converted component I and the gastrin-34-like component into the gastrin-17-like component. The anterior lobe contained mainly component I and gastrin-34, whereas gastrin-17 predominated in the intermediate and neural lobes (Fig.…”