restriction. n. 1. something that restricts; a restrictive measure, law, etc. 2. the act of restricting or the state of being restricted. 3. (Logic) logic maths a condition that imposes a constraint on the possible values of a variable or on the domain of arguments of a function.
The primitive gut that forms during gastrulation in the developing embryo is known as the archenteron or the digestive tube.It develops into the digestive tract of an animal.ach is controlled by the dorsal blastopore, and primitive node (also known as Hensen's node), respectively. During Gastrulation, the Archenteron develops into the digestive tube, with the blastopore developing into either the mouth (Protostome) or the anus (Deuterostome).
Gastrointestinal (GI) & Genitourinary (GU) Procedures The gastrointestinal tract (GI tract) houses many important organs that play an essential role in the digestion of food. These organs include the mouth, esophagus, liver, stomach, gallbladder, pancreas, small intestine, and large intestine. The rectum and anus, located within the large intestine, are included in the GI tract. The genitourinary tract (GU tract) is comprised of the urinary and reproductive organs. These organs include the kidneys, adrenal glands, ureters, urinary bladder, urethra, and male reproductive organs (testes, epididymis, vas deferens, seminal vesicles, prostate gland, and penis).