Chapter 17 - Diseases of the Endocrine System
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Due to hypofunction or hyposecretion
Hypopituitarism
A growth hormone deficiency
Pituitary Dwarfism
Complete atrophy of pituitary gland
Pituitary Cachexia
Excess of GH
Hyperpituitarism
Decreased secretion or action of antidiuretic hormone
Posterior Pituitary
The main symptom of Posterior Pituitary
Dehydration
What is the T3 ?
Part of the thyroid gland Triiodothyronine
What is the T4?
Thyoxine = Tetraiodothyronine
What is congenital Hypothyroidism?
Cretinism; Growth and mental retardation
Enlargement of thyroid gland usually due to lack of sufficient iodine
Endemic Goiter
Result of acute illness, trauma or surgical removal of thyroid
Myxedema
An autoimmune disease that results in toxic goiter and exophthalmos
Hyperthyroidism
The protrusion of eyeballs, fibrous tissue become edematous
Exophthalmos
Regulates sodium and potassium
Mineralcorticoids (Aldosterone)
Regulates carbohydrate, lipid and protein metabolism
Glucosteroids (Cortisol)
Estrogens and Androgens are what in the adrenal gland?
Sex Hormones
Medullary Hormones - Epinephrine and Norepinephrine are secreted when?
In stress situations
The deficiency of cortical hormones
Addisons Disease
Increased secretion of cortical hormones
Cushings Syndrome
What is the term of excess hair?
Hirsutism
The Symptoms of Cushings syndrome
Truncal obesity, buffalo hump, wasting of musculature in extremities and moon face
Acute adrenal insufficiency due to hemorrhage into adrenal gland caused by meningococcal infection; Results in Hypotension
Waterhouse-Friderichsen Syndrome
Epinerphrine and norepineprhine producing tumor in adrenal medulla
Pheochromocytoma
Produce and secrete parathyroid hormone
Parathormone