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.
Quick Answer. Stabbing pain in the navel area is known as pelvic pain, and it has multiple causes. Abdominal pain below the belly button can be harmless, such as PMS, also known as premenstrual syndrome, or a sign of fertility; however, the pain might be something far more serious, such as a life-threatening condition, according to WebMD.