Primary amenorrhea.
Primary amenorrhea, or the absence of menarche, signals physical abnormality in 70% of afflicted girls. Nurses working with adolescents may prevent more serious problems through early identification and intervention.
Adolescent↗
Biomedical subjects
Publications and source records attributed to J Murata.
Primary amenorrhea, or the absence of menarche, signals physical abnormality in 70% of afflicted girls. Nurses working with adolescents may prevent more serious problems through early identification and intervention.
The extracellular matrix is a macromolecular network that surrounds cells and makes up a significant portion of their microenvironment. During the processes of invasion and metastasis, tumor cells encounter interstitial stroma and basement membranes many times. In fact, tumor cell response to extracellular matrix components appears to be a major determinant of metastatic potential.