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linea al´ba white line; the tendinous median line on the anterior abdominal wall between the two rectus muscles.
li´neae albican´tes white or colorless lines on the abdomen, breasts, or thighs caused by mechanical stretching of the skin, with weakening of the elastic tissue; see also atrophic striae.
linea as´pera a rough longitudinal line on the back of the femur for muscle attachments.
linea ni´gra the linea alba when it has become pigmented in pregnancy.
the linea alba in pregnancy, which then becomes pigmented.
Synonym(s): black line
a dark line appearing longitudinally on the abdomen of a pregnant woman during the latter 24 weeks of term. It usually extends from the symphysis pubis midline to the umbilicus and sometimes as far as the sternum.
lin·e·a nig·ra(lin'ē-ă nī'gră)
The linea alba in pregnancy, which then becomes pigmented.