linea alba

linea /li·nea/ (lin´e-ah) pl. li´neae   [L.] line; in anatomy, a narrow ridge or streak on the surface of a structure.

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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.

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linea al·ba (lb)

n.

A fibrous band that runs vertically along the center of the anterior abdominal wall and receives the attachments of the oblique and transverse abdominal muscles. Also called white line.

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linea alba

Etymology: L, linea, line, albus, white

the white part of the anterior abdominal aponeurosis in the middle line of the abdomen, made of connective tissue representing the fusion of three aponeuroses into a single tendinous band extending from the xiphoid process to the symphysis pubis. It contains the umbilicus. Also called Hunter's line, white line. Compare linea semilunaris.

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linea alba

(lin´ē al´b),
n a normal variation in the buccal mucosa that appears as a white line beginning at the corners of the oral cavity and extending posteriorly at the level of the occlusal plane. It is composed of keratinized oral mucosa.

Linea alba.

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linea

pl. lineae [L.] a narrow ridge or streak on a surface, as of the body or a bone or other organ; a line.

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linea alba

white line; the tendinous median line on the ventral abdominal wall between the two rectus muscles.

linea albicantes

see atrophic stria.

linea aspera

one or two rough longitudinal lines on the back of the femur for muscle attachments.

lineae atrophicae

see atrophic stria.