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MCAT Biology Hormones
Hormone Review
31
Biology
Not Applicable
07/15/2011

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Term
Hypothalamus
Definition

Releasing hormones for the pituitary, ADH and oxytocin.

Releasing hormones/factors stimulates pituitary to release its hormone.


GnRH = Gonadotropin Releaing Hormone 

CRF = Corticotropin Releasing Factor.

TRH = Thyroid Releasing Hormone.

PRH = Prolactin Releasing Hormone.

GHRH = Growth Hormone Releasing Hormone.

ADH = Antidiuretic Hormone = Vasopressin =.

Oxytocin 

Term
Pituitary
Definition

 

 

Makes FLAT PiG, stores ADH and oxytocin.


 

 

FSH = Follicle Stimulating Hormone .

LH = Luteinizing Hormone 

ACTH = AdrenoCorticoTropic Hormone

TSH = Thyroid Stimulation Hormone

PRL = Prolactin 

GH = Growth Hormone 

Term
Pineal
Definition
Makes melatonin.
Term
Thyroid
Definition

Thyroid hormones: increase metabolism, requires iodine.


Calcitonin:

Term
Parathyroid
Definition

Makes Parathyroid Hormone.



Term
Thymus
Definition
Thymus hormones (thymo-, thymic), stimulates T cells to develop.
Term
Adrenal
Definition

Epinephrine and norepinephrine 

Mineralocorticoids = aldosterone

Glucocorticoids = cortisol = stress hormone

Androgens = testosterone.

Term
Pancreas
Definition

Glucagon

Insulin 

Term
Ovary
Definition
Makes Estrogen.
Term
Testis
Definition
Make testosterone.
Term
Hormone 
Definition
 Chemicals that regulate metabolism and function of cells.
Term
GnRH , Gonadotropin Releaing Hormone
Definition
Stimulates pituitary to release FSH and LH.
Term
ADH = Antidiuretic Hormone = Vasopressin
Definition
Increase water reabsorption in kidney = conserve water, increase blood pressure.
Term
Oxytocin 
Definition
Stimulates uterine contractions during labor, also milk secretion during suckling.
Term
FSH = Follicle Stimulating Hormone
Definition
Stimulate ovary follicles to mature, testis to produce sperm.
Term
LH = Luteinizing Hormone
Definition
LH surge triggers ovulation, stimulates testis to produce testosterone.
Term
ACTH = AdrenoCorticoTropic Hormone 
Definition
Stimulates adrenal cortex to release glucocorticoids and mineralocorticoids.
Term
TSH = Thyroid Stimulation Hormone
Definition
Stimulate thyroid to release thyroid hormones.
Term
PRL =Prolactin 
Definition
Stimulates breast to produce milk.
Term
GH = Growth Hormone 
Definition
Stimulates growth of muscle, bone, burns fat.
Term
Calcitonin
Definition
Turns blood Ca2+ into bone. Lowers blood Ca2+.
Term
Parathyroid Hormone (PTH)
Definition
 Increases blood Ca2+ by bone resorption, dietary calcium absorption, and calcium reabsorption in kidneys.
Term
Thymus hormones
Definition
Stimulates T cells to develop.
Term
Epinephrine and norepinephrine
Definition
 Fight or flight response.
Term
Mineralocorticoids 
Definition

(aldosterone)


Increases Na+ and water retention, raises blood pressure.

Term
Glucocorticoids 
Definition

(cortisol)


Stress hormone = increase blood sugar.

Term
Androgens
Definition
Testosterone
Term
Glucagon 
Definition
Increases blood sugar (break down glycogen, stimulate gluconeogenesis).
Term
Insulin
Definition
Lowers blood sugar (stimulates glucose uptake by cells).
Term
Steroids 
Definition
Cholesterol derivatives = testosterone, estrogen, adrenocortical hormones.
Term
Amino acid based hormones
Definition
amino acid derivatives = most hormones are this type.
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