linea /li·nea/ (lin´e-ah) pl. li´neae [L.] line; in anatomy, a narrow ridge or streak on the surface of a structure.
linea nigra
linea al´ba white line; the tendinous median line on the anterior abdominal wall between the two rectus muscles.
linea as´pera a rough longitudinal line on the back of the femur for muscle attachments.
li´neae atro´phicae striae atrophicae.
linea epiphysia´lis epiphyseal line.
linea glu´tea gluteal line.
linea ni´gra the linea alba when it has become pigmented in pregnancy.
linea splen´dens the sheath for the anterior spinal artery formed by the pia mater in the anterior median fissure of the spinal cord.
linea ni·gra (n  gr , n gr)n. The linea alba in pregnancy, which then becomes pigmented. |
linea nigra
[lin′ē′ənīgrə]
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.
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