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).
The urinary system is a type of organ system that allows the body to rid itself of waste. The respiratory system is made up of the mouth, throat, nose, sinuses, bronchial tubes, and lungs. The torso houses many of the human body's organ systems.The gonads are the organs that produce gametes, or the body's sex cells. The digestive tract is an organ system.The male reproductive system is quite different from the female system. The female reproductive system is a mostly internal organ system.he torso houses many of the human body's organ systems. The gonads are the organs that produce gametes, or the body's sex cells. The digestive tract is an organ system. The male reproductive system is quite different from the female system.