About The Word Seminoma
Find the definition of the medical term Seminoma. Seminoma defined and explained for easy understanding at the Medical Dictionary from ClusterMed.info.
Seminoma
| Seminoma Definition And Meaning |
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What's The Definition Of Medical Term Seminoma?
A radiosensitive, malignant neoplasm of the testis, thought to be derived from primordial germ cells of the sexually undifferentiated embryonic gonad. There are three variants: classical (typical), the most common type; anaplastic; and spermatocytic. The classical seminoma is composed of fairly well differentiated sheets or cords of uniform polygonal or round cells (seminoma cells), each cell having abundant clear cytoplasm, distinct cell membranes, a centrally placed round nucleus, and one or more nucleoli. In the female, a grossly and histologically identical neoplasm, known as dysgerminoma, occurs. (Dorland, 27th ed)
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