Exocrine gland = a gland that secretes substances into ducts which then leave the. body (i.e. sweat/sebaceous glands) or into a internal space or lumen (i.e. digestive. glands). Exocrine glands are not part of the endocrine system! C. HORMONE = a very powerful substance secreted by an endocrine gland into the.
Belly Button Pain Causes, Treatment of Sharp Navel Pain Below, Above, Around Navel. Sharp belly button pain in the abdomen can be caused by viral and bacterial infections, hernia, appendicitis or even strain during pregnancy. The hurt, soreness and pain can be felt around the navel area, below, above, inside or behind the navel.
Some of the possible causes of sudden, severe abdominal pain include: appendicitis - swelling of the appendix that causes agonising pain in the lower right-hand side of your abdomen a bleeding or perforated stomach ulcer - a bleeding, open sore in the lining of your stomach