Chief cells ( stomuch) secreate pepsinogen , a inactivae enzyme. And in small intestine it converted into pepsin ,active form. Chief cell also present in parathyroid gland release pth harmone regulates level of calcium, magnesium, HPO4 ions in blood.
In the United States, afternoon is generally the time between noon and 5:00 p.m., and evening is considered anything after 5:00 p.m. There is no set allocation for afternoon and evening, however.
Wiktionary(0.00 / 0 votes)Rate this definition: afternoon(Noun) The part of the day which follows noon, between noon and evening; the part of the day following noon which is daylight all year round; the second half of the working day (in regular office hours). Afternoon(noun)