| signet ring | The early stage of trophozoite development of the malaria parasite in the red blood cell; the parasite cytoplasm stains blue around its circular margin, and the nucleus stains red in Romanowsky stains, while the central vacuole is clear, giving the ringlike appearance. (05 Mar 2000) |
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| signet ring cells | Altered basophilic cells of the anterior lobe of the pituitary that develop following castration; the body of the cell is occupied by a large vacuole that displaces the nucleus to the periphery, giving the cell a resemblance to a signet ring. Synonym: signet ring cells. (05 Mar 2000) |
| signet-ring cell carcinoma | <tumour> A poorly differentiated adenocarcinoma composed of cells with a cytoplasmic droplet of mucus that compresses the nucleus to one side along the cell membrane; arises most frequently in the stomach, occasionally in the large bowel or elsewhere. (05 Mar 2000) |
| carcinoma, signet ring cell | A highly malignant, mucus-secreting tumour in which the mucus-secreting cells are anaplastic and appear rounded, with the nucleus displaced to one side by a globule of mucus in the cytoplasm. (12 Dec 1998) |
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| signet ring |
a ring bearing a signet
Ãâó: wordnet.princeton.edu/perl/webwn
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| signet-ring cell |
A vacuolated cell with the nucleus off center. Mucus-secreting adenocarcinomas usually contain these cells.
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| signet r. |
ring form.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| signet-ring c. |
one in which the nucleus has been pressed to one side by an accumulation of intracytoplasmic mucin; see Krukenberg's tumor, under tumor.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| signet-ring cell c. |
a highly malignant, mucus-secreting tumor in which the mucus-secreting cells are anaplastic and appear rounded, with the nucleus displaced to one side by a globule of mucus in the cytoplasm.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| signet | a seal (especially one used to mark documents officially) |
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| signet | a ring bearing a signet |
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