has part has part has_part composed primarily of myoepithelial cell myofilament myoepithelium BTO:0002308 Wikipedia:Myoepithelial_cell UBERON:0000420 myo-epithelium FMA:67805 An epithelium consisting of myopethelial cells, which are contractile cells resembling smooth muscle cells that are present in glands, notably the mammary gland, and aid in secretion. This cell has long weaving dendritic processes containing myofilament[CL]. atypical epithelium