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The abdomen can be divided into quadrants or regions to describe the location of an organ or structure. Classically, quadrants are described as the left upper, left lower, right upper, and right lower. [citation needed] Quadrants are also often used in describing the site of an abdominal pain. [15] The abdomen can also be divided into nine regions.
Quadrants of the abdomen Diagram showing which organs (or parts of organs) are in each quadrant of the abdomen. The left lower quadrant (LLQ) of the human abdomen is the area left of the midline and below the umbilicus. The LLQ includes the left iliac fossa and half of the left flank region. The equivalent term for animals is left posterior ...
In the Renaissance, Andreas Vesalius (1514–1564) pioneered the modern study of human anatomy by dissection, writing the influential book De humani corporis fabrica. [65] [66] Anatomy advanced further with the invention of the microscope and the study of the cellular structure of tissues and organs. [67]
It is a small organ attached to the large intestine in the lower right side of the abdomen. Anatomists and medical professionals have traditionally considered the appendix a vestigial organ. Later research suggests that it may have an immunological function. [13] On the dorsal aspect of the abdominal cavity, there are two bean-shaped organs.
The abdominal cavity is a large body cavity in humans [1] and many other animals that contain organs. It is a part of the abdominopelvic cavity . [ 2 ] It is located below the thoracic cavity , and above the pelvic cavity .
Anatomy photo:37:14-0100 at the SUNY Downstate Medical Center — "Abdominal Cavity: Peritoneal Gutters" page 1; Anatomy photo:37:14-0200 at the SUNY Downstate Medical Center — "Abdominal Cavity: Peritoneal Gutters" page 2; Anatomy photo:37:14-0300 at the SUNY Downstate Medical Center — "Abdominal Cavity: Peritoneal Gutters" page 3
The Apollo's belt, also known as Adonis belt, or iliac furrows, is a part of the human anatomy referring to the two shallow grooves of the human abdomen running from the iliac crest (hip bone) to the pubis. The shape of the grooves are formed by the inguinal ligament. [1]
In anatomy, the abdominal wall represents the boundaries of the abdominal cavity.The abdominal wall is split into the anterolateral and posterior walls. [1]There is a common set of layers covering and forming all the walls: the deepest being the visceral peritoneum, which covers many of the abdominal organs (most of the large and small intestines, for example), and the parietal peritoneum ...