What are androgens?
male sex organ
What is needed for T-4 to be produced?
Define placenta and what does it produce?
it is a temporary endocrine gland, it produces estrogen, progesterone and chorionic gonadotropins (produces HCG)
male sex hormone produced by the interstitial cells in the testes; the "masculinizing hormone"
Is acromegaly a result of hypersecretion or hyposecretion?
Is dwarfism a result in hypersecretion or hyposecretion?
___________are a result of a lack of iodine in the body/diet.
What causes Cushings Syndrome?
condition caused by the hypersecretion of glucocorticoids from the adrenal cortex
Where is the Thymus Gland located and what does it do?
upper thorax behind the sternum, but below the thyroid gland, it helps build resistance to disease
What is the adrenal gland?
rests on top of the kidneys, made up of the cortex and medulla
What does the Adrenal Medulla do?
secretes the hormones epinephrine and norepinephrine
What are the role of the ovaries?
contains two structures that secrete hormones ----- the ovarian follicles and the corpus luteum which secrete estrogen that effect the maturation of breast and external genitals, develops the female body contours, initiation of menstrual cycle
Define endcrine system.
functions as communication and control, provides slower but longer-lasting control by way of hormones (chemicals) secreted into and circulated by the blood
Posterior Pituitary Glands
produces hormones ADH and oxytocin
Anterior Pituitary Glands
produces hormones, GH, proactin, FSH, LH, TSH, ACTH
What is Addison's Disease?
disease of the adrenal gland resulting in low blood sugar,weight loss, weakness, increase in blood sodium and decreasein blood potassium
What gland is able to store a considerable amount of it's own hormone?
What type of hormone do males produce?
LH, luteinizing hormone
Define nervous system.
functions as communication and control, provides rapid, brief control by way of fast-traveling nerve impulses
Organs of the endocrine system are located where?
neck, cranial, thoracic, abdominal and pelvic cavidties and also outside body cavities
aldosterone effects mainly on the cells of the ____________.
Which hormone has the opposite effect of calcitonin?
Can exocrine glands release hormones?
no, the excrete sweat glands
Endocrine is through the __________.
Exocrine is through the ___________.