What is the function of the linea semilunaris?

Linea semilunaris provides strength, mobility, and flexibility to the lateral abdominal muscles. However, it is one of the weak areas of the anterior abdominal wall, and it is, therefore, susceptible to herniation.

What is Spigelian line?

The linea semilunaris (also semilunar line or Spigelian line) is a curved tendinous intersection found on either side of the rectus abdominis muscle.

How is linea alba formed?

The linea alba (Latin for white line) is a single midline fibrous line in the anterior abdominal wall formed by the median fusion of the layers of the rectus sheath medial to the bilateral rectus abdominis muscles. It attaches to the xiphoid process of the sternum and the pubic symphysis.

Where is linea alba located?

abdomen
Linea alba (Latin ‘white line’) is a tendinous, fibrous raphe that runs vertically down the midline of the abdomen. It extends between the inferior limit of the sternum and the pubis, separating the rectus abdominis muscles.

What is the linea alba and where is it located quizlet?

The linea alba runs down the anterior abdominal wall from the xiphoid process to the symphysis pubis. The external and internal oblique and the transversus abdominis muscles insert into the linea alba.

Who was Spigelian?

Adriaan van den Spiegel, born in Brussels, was an anatomist at the University of Padua during the 17th century. In 1619 he became a professor of surgery. Spiegel was the first to described this rare hernia in 1627. The history of the Spigelian hernia became acknowledged in 1645, twenty years after Spiegel’s death.

Why do I have linea alba?

Linea alba is evidence of irritation inside your mouth. Typically, it’s caused by chronic (long-term) friction between your teeth and the lining of your cheek, also known as your buccal mucosa. It can also be caused by other sources of friction in the mouth, such as: dentures that rub against each other.

Is linea alba cancerous?

Figure A: The whitish line is a common lesion that develops as a reaction to pressure of the soft tissue against the teeth. This readily identifiable lesion is termed linea alba (white line) and has no potential for cancer.

Is spigelian hernia an emergency?

A spigelian hernia can occur on either side of the abdomen, but most people feel pain in the lower abdomen. A spigelian hernia can block the bowel or other vital organs. When this occurs, it is a life-threatening complication that requires immediate medical attention.