Chemical Messengers 3. Hormones â¢Longârange messengersâ¢Secreted into blood by endocrine glands in response to appropriate signalâ¢Exert effect on target cells some distance away from release site 4.hemical Messengers 3. Hormones â¢Longârange messengersâ¢Secreted into blood by endocrine glands in response to appropriate signalâ¢Exert effect on target cells some distance away from release site 4.
Scale box in millimeters. Vesicular texture is a volcanic rock texture characterized by a rock being pitted with many cavities (known as vesicles) at its surface and inside.
1 All About Vesicular Lesions A vesicular lesion presents itself as a blister. 2  It can have many symptoms and causes including a parasitic infection. 3  Simple lesions are typically caused by repetitive use oâ¦. 4  LEEP of Faith: What To Expect LEEP is the Loop Electrical Excision Procedure.