Despite extensive (and valiant) attempts to research it, much remains a mystery about the hippo's gooey antibiotic sunscreen. Saikawa's team hypothesizes that the animal synthesizes it from amino acids (the building blocks of protein) in the presence of oxygen.
1 Gastroileal reflex is one of the ways in which gastric motility influences intestinal motility. 2  When there is vigorous gastric peristalsis of increased secretion, it stimulates peristalsis in the ileum.
bulbocavernosus reflex (bulbospongiosus reflex) contraction of the bulbocavernous muscle in response to a tap on the dorsum of the penis; called also penile reflex. cardiac respiratory reflex an increase in heart rate caused by an increase in respiratory rate that reduces venous return.