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Anatomy QIV:PV
The Endocrine System
| Question | Answer |
|---|---|
| the study of hormones and endocrine glands | endocrinology |
| circulate throughout the body in blood vessels, influence specific target cells | hormones |
| gland located in the hypophyseal fossa of the sphenoid bone, "master of the endocrine system" (two names) | pituitary gland, hypophysis |
| gland which secretes growth hormone | pituitary gland |
| butterfly-shaped gland located in the anterior neck on the trachea, inferior to the larynx | thyroid gland |
| secretes a hormone which increases metabolism | thyroid |
| a hormone which depresses excess levels of calcium ion in the blood, name and where is it produced? | calcitonin, thyroid |
| small glands which lie on the posterior surface of the thyroid gland | parathyroid glands |
| hormones which increase the blood concentration of calcium ion, name and where is it produced? | parathyroid hormoe, parathyroid glands |
| paired, pyramid or crescent-shaped glands sitting atop each kidney | adrenal glands |
| adrenal gland: part of the sympathetic nervous system fight flight or fright response | internal adrenal medulla |
| adrenal gland: secretes different hormones all of which are steroids | external adrenal cortex |
| pine-cone shaped structure at the end of a short stalk on the roof of the diencephalon | pineal gland |
| hormone which helps regulate our circadian rhythms, sleep-wake cycle, name and where is it produced? | melatonin, pineal gland |
| located in the posterior wall of the abdominal cavity, tadpole shaped-contains both endocrine and exocrine cells | pancreas |
| pancreas: cells secrete digestive enzymes, pancreatic juice into the duodenum | exocrine cells |
| pancreas: endocrine: raises blood sugar levels | glucagon |
| pancreas: endocrine: lowers blood sugar levels | insulin |
| pancreas: endocrine: controls glucagon and insulin release | somatostatin |
| pancreas: endocrine: controls exocrine activity of the pancreas | F (PP) cells |
| located in the lower neck and anterior thorax | thymus gland |
| hormone which controls the maturation of T cells (two), names and where are they produced? | thymopoietin and thymosin, thymus gland |
| main source of male sex hormone | testes |
| main source of female sex hormone | ovaries |