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.
Pleurisy as a Cause for Stabbing Chest Pain: Pleurisy is also another cause which can lead to stabbing chest pain. In pleurisy, there is swelling in the lining (pleura) surrounding the chest. Viral infections are the cause in most cases for this condition and with treatment this pain can be alleviated.