myoepithelial cells

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myoepithelial cells

[‚mī·ō‚ep·ə′thē·lē·əl ‚sel]
(histology)
Contractile epithelial cells resembling smooth muscle cells that are present in glands, notably the mammary gland, and aid in secretion.
References in periodicals archive ?
In developing salivary glands, a common stem cell is responsible for the development of luminal epithelial cells and myoepithelium.
The majority of breast cancers originate in the ductal cells comprised of two main cell types: the inner luminal cells surrounded by basal myoepithelium.
Loss of myoepithelium is variable in solid papillary carcinoma of the breast.
Expression of smooth muscle-specific proteins in myoepithelium and stromal myofibroblasts of normal and malignant human breast tissue.
13) These cells were able to differentiate toward glandular epithelium and myoepithelium through intermediate cells expressing CK5/CK8/CK18/CK19 and CK5/SMA.
The benign nature of these problematic biopsy specimens, however, is readily appreciated by demonstrating the abundance of myoepithelium with special stains (actin, p63, calponin--whichever you happen to prefer).