Two types of chromaffin cells in the adrenals of the bullfrog, Rana catesbiana. A comparative study.
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Adrenal Glands↗
Biomedical subjects
K Takaya
Publications and source records attributed to K Takaya.
The relationship between mast cells and histamine in phylogeny with special reference to reptiles and birds.
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Air Sacs↗
The origin, course and distribution of arteries to the thumb, with special reference to the so-called A. princeps pollicis.
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Adult↗
Mast cells and histamine in a newt, Triturus pyrrhogaster Boié.
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Aldehydes↗
Is it insulin that is stained by aldehyde fuchsin and pseudoisocyanin in the sections of the pancreas?
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Alloxan↗
Metachromatic reaction of pancreatic B cells to toluidine blue; influence of pH on staining.
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Animals↗
Mast cells free of histamine in Rana catasbiana.
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Animals↗
Luxol fast blue MBS and phloxine; a stain for mitochondria.
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Animals↗
Mast cells in the lymphatics of the frog tongue.
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Animals↗
A Bouin-lead acetate mixture for the cytological study of pancreatic islets in aldehyde fuchsin-trichrome stain.
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Aldehydes↗
Melanin-producing medullary thyroid carcinoma with glandular differentiation.
A rare case is reported of melanin-producing medullary thyroid carcinoma in a 62-year-old man. Intraoperative imprints of the thyroid tumor revealed numerous detached tumor cells containing large amounts of brown pigment. The Fontana-Masson argentaffin reaction with bleach confirmed that those granules were melanin. Histologically, the tumor was composed of two different components--a medullary area with hyalinized stroma and a follicular area. Melanin was scattered in both areas. The tumor cells in both areas were immunoreactive to carcinoembryonic antigen, calcitonin, gastrin-releasing peptide, somatostatin, met.-enkephalin, neuron-specific enolase, chromogranin and neurofilaments, and negative for thyroglobulin and S-100 protein. The histologic diagnosis was melanin-producing medullary thyroid carcinoma with glandular differentiation. Although various kinds of peptides and amines have been reported to be produced in medullary thyroid carcinoma, melanin production is quite rare; this appears to be only the third reported case.
Carcinoma↗