Health Sciences 3300A/B Study Guide - Midterm Guide: Adrenal Medulla, Celiac Artery, Adrenal Gland

• School: Western University
• Department: Health Sciences
• Course: Health Sciences 3300A/B
• Professor: Oleksiy Zaika

Document Summary

Topic 7 - exam terminology: thyroid, parathyroid, adrenals, pancreas, & thymus. Addison"s disease adrenal gland degradation that leads to hypercalcemia, hypoglycaemia, and is treated w/ supplementation. Adrenal cortex makes up 85% of the gland and produces hormones that help maintain sodium levels and blood pressure. Adrenal glands enclosed by connective tissue and composed of the adrenal cortex and adrenal medulla. Adrenal medulla primarily connected to the nervous system - is a modified sympathetic ganglion. and secretes catecholamines. Alpha produces glucagon and represents sympathetic stimulation. Beta produces insulin and represents parasympathetic stimulation. Body of the pancreas a part of the pancreas that spreads out in front of the abdominal aorta. Calcitonin lowers blood calcium levels & inhibits osteoclast activity to uptake calcium to bone. Celiac trunk comes off the abdominal aorta and supplies a lot of the gi system. Diabetes mellitus occurs when there is high blood sugars over a prolonged period - the body is unable to absorb sugar.