3/26 endocrine (copy)

What do hormones secrete into the bloodstream?

Chemical messengers.

What is the primary function of hormones?

To maintain homeostasis.

What is the role of the hypothalamus in the endocrine system?

It sends signals and controls the endocrine system.

What does the anterior pituitary gland release?

Growth hormone, Prolactin, Adrenocorticotropic hormone, Thyroid-stimulating hormone, Follicle-stimulating hormone, Luteinizing hormone.

What hormones do the posterior pituitary release?

Antidiuretic hormone (ADH) and Oxytocin.

What system does the endocrine system primarily use for regulation?

Negative feedback system.

What occurs in the negative feedback system?

The end-product hormone negatively feeds back to prevent further stimulation.

What happens during upregulation?

There is an increase in receptor sensitivity and number.

What is hypofunction in endocrine glands?

Not enough hormone is produced.

What are the three major types of endocrine conditions?

Hormone deficiency, hormone excess, hormone resistance.

What is diabetes insipidus (DI)?

A condition of posterior pituitary hypopituitarism that results from a lack of ADH or response to ADH.

What is the main symptom of diabetes insipidus?

Dilute, large volume urine.

What is Desmopressin used to treat?

Central diabetes insipidus.

What is the main cause of Hyperpituitarism?

Pituitary adenoma.

What condition is associated with excessive ADH causing fluid retention?

Syndrome of Inappropriate ADH (SIADH).

What distinguishes DI from SIADH?

DI is characterized by little ADH and hypernatremia, while SIADH involves lots of ADH with fluid retention and hyponatremia.