DAY 1: Ex 27 Endocrine System
- Define “ hormone.”
- What characteristic defines a target organ, or target cell type, for a particular hormone?
- If all hormones travel in the blood stream, why don’t all tissues respond to all hormones?
- Name 10 different endocrine glands or endocrine tissues in the body, and their hormones:
- Fill in the Chart (In your own words):
Anterior Pituitary (adenohypophysis) Hormones
| Hormones | Regulation of Release | Target Organ and Effects |
| Growth Hormone (GH) | ||
| Thyroid-Stimulating Hormone (TSH) | ||
| Adrenocorticotropic Hormone (ACTH) | ||
| Follicle Stimulating Hormone (FSH) | ||
| Luteinizing Hormone (LH) | ||
| Prolactin (PRL) |
The Posterior Pituitary is not an endocrine gland in that it acts as a storage area for two hormones transported to it via the axons of neurons of the hypothalamus. The hormones are released in response to nerve impulses from these neurons.
- What are the two hormones of the posterior pituitary? A. __________________; B. ___________________
- When is each released?
- Name their target organs and their effects on the body.
- Define diabetes insipidus, and report the clinical presentations.
- What are the functions of Thyroid Hormone (TH)?
- Name the homeostatic imbalances of thyroid hormone, and list the effects.
- Hyposecretion ____________________, ______________________
- Effects:
- Hypersecretion _____________________
- Effects:
- Melatonin is produced in what gland? What is its function?
- What is the main hormone produced by the Parathyroid gland? _________________________
Mechanism of action:
- __________________________________________________________________
- __________________________________________________________________
- __________________________________________________________________
- What are the two main hormones produced by the pancreas?
Hormone 1: ____________________What stimulates its release? ________________________________
What are its functions/effects?
Hormone 2: ____________________
- What stimulates its release? __________________________
- What are its functions?
- What are the main mineralocorticoids and glucocorticoids? Name the origin and regulation of each – what stimulates their release and maintains their levels?
Mineralocorticoids
Main hormone: _____________________
Origin: _________________________
Stimulus: __________________________
Functions:
Glucocorticoids
Main hormone: ______________________
Origin: _________________________
Stimulus: __________________________
Functions:
- The gonads are responsible for estrogen and testosterone release and production. What is the effects of these hormones on the body?
- What is the stimulus for their release?