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Mouse gallbladder epithelial cells were studied with the electron microscope during fasting and refeeding. Morphometric data were obtained from randomly selected epithelial cells of normal starved (12, 24, and 48 hr) and refed (12 hr) mice. Deprivation of food significantly diminishes the volume density of the mucinous secretory granules by about 70% after 48 hr of fasting. Upon refeeding, this secretory granule parameter increases significantly ( 2.5 times). Stereological measurements were also performed on nuclei, mitochondria, and lysosomes, but no major morphometric changes were observed in these organelles. The findings suggest that a basal secretion of mucin granules occur in the mouse gallbladder, irrespective of the animal's nutritional state and that this discharge during starvation exceeds the formation of new granule material. The findings are discussed in relation to effects of fasting and refeeding on other secretory cell systems.
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
March 1977,
Histochemistry,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
June 1973,
Zeitschrift fur Zellforschung und mikroskopische Anatomie (Vienna, Austria : 1948),
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
September 1989,
The Journal of surgical research,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
October 1983,
Zhonghua wai ke za zhi [Chinese journal of surgery],
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
April 1968,
Tsitologiia,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
August 1977,
Histochemistry,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
July 1965,
The American journal of anatomy,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
December 1980,
Journal de biologie buccale,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
November 1975,
Journal of anatomy,
T Wahlin, and
G D Bloom, and
B Carlsöö, and
L Rhodin
March 1968,
Archives of pathology,
