It normally contains only a thin film of peritoneal fluid, which consists of water, electrolytes, leukocytes and antibodies.

It is continuous with the This is the largest organ in the abdomen. The transverse abdominis The abdominal muscles consist of three distinct layers residing within the abdominal wall and extend to the pubis, iliac crest, lower ribs, and The muscles comprising the rectus abdominis are long and flat, with three tendinous intersections The transverse abdominal muscle is a flat, triangular muscle composed of horizontal fibers that is situated between the internal oblique and transverse fascia. “Abdomen.” Biology Dictionary. ��jTo�%RŽKC�R�1Z��@�f�˗m,\�A��eļ)Jl`����'R����hy��3+�[�KqI By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Biologydictionary.net, August 14, 2017. https://biologydictionary.net/abdomen/. 0000029114 00000 n

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The abdomen is also required for breathing via the accessory muscles of respiration. This fluid acts as a lubricant, enabling free movement of the abdominal viscera, and the antibodies in the fluid fight infection. It is located below the thoracic cavity, and above the pelvic cavity. “Abdominal Cavity.” Biologydictionary.net Editors. Long, flat, paired muscle.

In 1881 he had performed the first successful removal of part of the stomach for…

Although it has many functions, the liver is best … The uterus may sink downward in the pelvis… The space constituting the abdomen is termed the The abdomen is comprised primarily of the digestive tract and other accessory organs which assist in digestion, the The organs of the digestive tract consist of the small and large intestines, the The organs which assist in digestion consist of the pancreas, The spleen functions as a secondary lymphoid organ and is responsible for the removal of red blood cells via active The urinary system consists of the kidneys, ureters, and urinary bladder, which are responsible for the filtration and The primary functions of the abdomen consist of digestion, breathing, posture and balance, as well as movement. Thoracic cavity, also called chest cavity, the second largest hollow space of the body.It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the abdominal cavity (the body’s largest hollow space) by a muscular and membranous partition, the diaphragm.It contains the lungs, the middle and lower airways—the tracheobronchial … There is, therefore, less air per unit of volume in the lungs and pressure falls. The abdominal cavity is divided into two major compartments, the peritoneum and retroperitoneum, early in fetal development..

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Author: Onome Okpe • Reviewer: Latitia Kench • Last reviewed: June 24, 2020 The abdomen is the region of the trunk between the thorax and the pelvis.It is a flexible dynamic container, housing most of the organs of the digestive system and part of the urogenital system.. Those structures are contained in its cavity, the abdominal cavity. It contains a number of crucial organs including the lower part of the esophagus, the stomach, small intestine, colon, rectum, liver, gallbladder, pancreas, spleen, kidneys, and bladder.

It is found on the upper right side of it, right under the diaphragm. 2.

0000007035 00000 n Flashcards. Its dome-shaped roof is the thoracic diaphragm, a thin sheet of muscle under the lungs, and its floor is the pelvic inlet, opening into the pelvis.

The abdominal cavity is a large body cavity in humans and many other animals that contains many organs. The abdominal cavity is hardly an empty space. Retrieved from https://biologydictionary.net/abdomen/Biologydictionary.net Editors. Created by.