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 term âreptilianâ refers to our primitive, instinctive brain function that is shared by all reptiles and mammals, including humans. It is the most powerful and oldest of our coping brain functions since without it we would not be alive. 1. Instinctive survival. Survival is the #1 job of our brain, and particularly the Reptilian Coping Brain. Coping is the ability to both protect our self from outside threats, and adjust or adapt to life changes and challenges.