linea nigra


Also found in: Financial, Encyclopedia, Wikipedia.

linea

 [lin´e-ah] (L.)
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.

lin·e·a ni'g·ra

the linea alba in pregnancy, which then becomes pigmented.
Synonym(s): black line

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.
enlarge picture
Linea nigra on the abdomen of a pregnant woman

lin·e·a nig·ra

(lin'ē-ă nī'gră)
The linea alba in pregnancy, which then becomes pigmented.