| small intestine | The part of the intestine that lies between the stomach and colon, consists of duodenum, jejunum, and ileum, secretes digestive enzymes, and is the chief site of the absorption of digested nutrients. The proximal portion of the intestine [Brenda]. | — |
| vermiform appendix | A narrow blind tube usually about three or four inches (7.6 to 10.2 centimeters) long that extends from the cecum in the lower right-hand part of the abdomen, has much lymphoid wall tissue, normally communicates with the cavity of the cecum, and represents an atrophied terminal part of the cecum [Brenda]. | — |
| large intestine | The more terminal division of the vertebrate intestine that is wider and shorter than the small intestine, typically divided into cecum, colon, and rectum, and concerned especially with the resorption of water and the formation of feces [Brenda]. | — |
| greater omentum | The greater omentum (also the great omentum, omentum majus, gastrocolic omentum, epiploon, or, especially in animals, caul) is a large fold of visceral peritoneum that hangs down from the stomach. It extends from the greater curvature of the stomach, passing in front of the small intestines and reflects on itself to ascend to the transverse colon before reaching to the posterior abdominal wall. The common anatomical term "epiploic" derives from "epiploon" from the Greek "epipleein" meaning to float or sail on, since the greater omentum appears to float on the surface of the intestines [Wikipedia: http://en.wikipedia.org/wiki/Greater_omentum]. | — |
| lesser omentum | The lesser omentum (small omentum; gastrohepatic omentum; omentum minus) is the double layer of peritoneum that extends from the liver to the lesser curvature of the stomach and the start of the duodenum [Wikipedia: http://en.wikipedia.org/wiki/Lesser_omentum]. | — |
| liver | 1: A large very vascular glandular organ of vertebrates that secretes bile and causes important changes in many of the substances contained in the blood (as by converting sugars into glycogen which it stores up until required and by forming urea).n2: Any of various large compound glands associated with the digestive tract of invertebrate animals and probably concerned with the secretion of digestive enzymes [Brenda]. | — |
| gall bladder | A small, pear-shaped muscular sac, located under the right lobe of the liver, in which bile secreted by the liver is stored until needed by the body for digestion [Brenda]. | — |
| bile duct | Any of the ducts that convey bile in and from the liver [Brenda]. | — |
| exocrine pancreas | That part of the pancreas that acts as an exocrine gland, consisting of the pancreatic acini, which produce pancreatic juice and secrete it into the duodenum to aid in protein digestion [Brenda]. | — |
| kidney | 1: One of a pair of vertebrate organs situated in the body cavity near the spinal column that excrete waste products of metabolism, in humans are bean-shaped organs about 4 1/2 inches (11 1/2 centimeters) long lying behind the peritoneum in a mass of fatty tissue, and consist chiefly of nephrons by which urine is secreted, collected, and discharged into a main cavity whence it is conveyed by the ureter to the bladder.n2: Any of various excretory organs of invertebrate animals [Brenda]. | — |
| ureter | The tube that carries urine from the kidney to the bladder [Brenda]. | — |
| bladder | A membranous sac in animals that serves as the receptacle of a liquid or contains gas [Brenda]. | — |
| urethra | The tube through which urine leaves the body. It empties urine from the bladder [Brenda]. | — |
| male reproductive system | The internal and external reproductive organs in the male [Brenda]. | — |
| female reproductive system | The internal and external reproductive organs in the female [Brenda]. | — |
| islets of Langerhans | The islets of Langerhans are the regions of the pancreas that contain its endocrine (i.e., hormone-producing) cells. Discovered in 1869 by German pathological anatomist Paul Langerhans at the age of 22, the islets of Langerhans constitute approximately 1 to 2% of the mass of the pancrea [Wikipedia: http://en.wikipedia.org/wiki/Islets_of_Langerhans]. | — |
| adrenal cortex | The outer portion of the adrenal glands that produces several steroid hormones, including cortisol and aldosterone [Brenda]. | — |
| adrenal medulla | The inner, reddish-brown portion of the adrenal glands that synthesizes, stores, and releases epinephrine and norepinephrine [Brenda]. | — |
| synovium | The dense connective-tissue membrane that secretes synovial fluid and that lines the ligamentous surfaces of articular capsules, tendon sheaths where free movement is necessary, and bursae [Brenda]. | — |
| ligament | In anatomy, the term ligament is used to denote any of three types of structures. Most commonly, it refers to fibrous tissue that connects bones to other bones and is also known as articular ligament, articular larua, fibrous ligament, or true ligament [Wikipedia: http://en.wikipedia.org/wiki/Ligament]. | — |
| meniscus | A fibrous cartilage within a joint especially of the knee [Brenda]. | — |
| epidermis | The outer epithelial layer of the external integument of the animal body that is derived from the embryonic epiblast; specifically: the outer nonsensitive and nonvascular layer of the skin of a vertebrate that overlies the dermis [Brenda]. | — |
| dermis | The sensitive vascular inner mesodermic layer of the skin [Brenda]. | — |
| hair follicle | The tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment [Brenda]. | — |
| hair | 1: A slender threadlike outgrowth of the epidermis of an animal; especially: one of the usually pigmented filaments that form the characteristic coat of a mammal.n2: The hairy covering of an animal or a body part; especially: the coating of hairs on a human head [Brenda]. | — |
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