myoepithelial cells


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Related to myoepithelial cells: myofibroblast

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 ?
At 15 [micro]M/kg, the basement membrane and myoepithelial cells appeared normal.
P-cadherin as myoepithelial cell marker for differential diagnosis of benign and malignant breast lesions.
fraction (mostly mature myoepithelial cells, but also stem cells, bipotent cells, and myoepithelial progenitors) (27).
Normal fibroblasts and myoepithelial cells help maintain healthy structure, while immune cells called macrophages patrol the area and kill wayward cells.
These myoepithelial cells can be demonstrated by immunohistochemical stains for smooth muscle proteins.
Interestingly, when introduced into the mammary fat pads, the sweat gland myoepithelial cells generated fluorescent sweat gland-like structures.
Myoepithelial cells (MEC) proliferate in complex and mixed canine mammary gland tumors.
Similarly, CK5-positive cells likely represent undifferentiated adult stem cells with potential to differentiate into glandular or myoepithelial cells (Boecker and Buerger 2003).
Microstructure of the vesicle is made up of a double cell layer consisting of an outer layer of myoepithelial cells that function as a contractile component and an inner layer of secretory cells that is continuous with the vesicle contents (Hostetler & Cannon 1974; Cannon & Hostetler 1976).
Oxytocin release from the pituitary as well as the placenta increases markedly in the early phases of labor, as does production of oxytocin receptor proteins by the myometrium and the myoepithelial cells of the breast.
Histology of the excised specimen identified proliferating ductules within a myxoid stroma, with spindle- to oval-shaped myoepithelial cells and no mitotic figures (figure 2).
In fact, the adipocytes and glandular cells in normal mouse breast tissue expressed CPN weakly or not at all, whereas the myoepithelial cells exhibited an increased concentration of CPN.