Wiktionary (0.00 / 0 votes) Rate this definition: coat of arms (Noun). hereditary designs and symbols depicted on an escutcheon, sometimes accompanied by other elements of a heraldic achievement, such as a helm, crest, crest coronet, torse, mantling and supporters; described by a blazon.
The peristaltic movements are muscle contractions and its function on the esophagus is to push food down into the stomach and prevent it from going back into the esophagus.he function of a frog's esophagus is to transfer food down to the frogs stomach. the frogs esophagus is where food goes through before entering the stomach. the frogs esophagus moves food to the stomach by way of cilia.
Peristalsis is a distinctive pattern of smooth muscle contractions that propels foodstuffs distally through the esophagus and intestines. One group of interneurons activates excitatory motor neurons above the bolus-these neurons, which contain acetylcholine and substance P, stimulate contraction of smooth muscle above the bolus. 2  Another group of interneurons activates inhibitory motor neurons that stimulate relaxation of smooth muscle below the bolus.