Etymology:
The word "stroma" comes from the Greek word στρῶμα (strōma), meaning "bed" or "layer."
Meaning and Origin:
Biology: In biological contexts, stroma refers to the connective tissue framework that supports the parenchymal cells in an organ. For example, the stroma of the liver refers to the connective tissue that surrounds and supports the liver cells (hepatocytes).
Anatomy: In anatomy, stroma refers to the connective tissue that forms the matrix of an organ or tissue. For instance, the ovarian stroma is the connective tissue that supports the ovarian follicles.
Medicine: In medicine, stroma can refer to the non-neoplastic (non-cancerous) component of certain tumors, such as a sarcoma. Sarcomas are malignant tumors that arise from connective tissue.
Additional Meanings: Beyond its biological, anatomical, and medical usage, "stroma" can also have other meanings:
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