| Term 
 | Definition 
 
        | HORMONE: MELATONIN 
 CHEMICAL CLASS: AMINE 
 REPRESENTATIVE ACTIONS:INVOLVED IN BIOLOGICAL RHYTHMS 
 REGULATED BY: LIGHT/DARK CYCLES |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONES RELEASED BY THE POSTERIOR PITUATARY; RELEASING AND INHIBITING HORMONES THAT REGULATE THE ANTERIOR PITUATARY
   |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (POSTERIOR LOBE) 1 |  | Definition 
 
        | RELEASES HORMONES MADE BY THE HYPOTHALAMUS   HORMONE: OXYTOCIN
 
 CHEMICAL CLASS: PEPTIDE
 
 REPRESENTATIVE  ACTIONS:STIMULATES CONTRACTION OF UTERUS AND THE MILK "LET DOWN" REFLEX
 
 REGULATED BY: NERVOUS SYSTEM (HYPOTHALAMUS IN RESPONSE TO UTERINE STRETCHING AND/OR SUCKLING OF A BABY 
 |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (POSTERIOR LOBE) 2 |  | Definition 
 
        | RELEASES  HORMONES MADE BY THE HYPOTHALAMUS   HORMONE: ANTIDIURETIC HORMONE (ADH)
 
 CHEMICAL  CLASS: PEPTIDE
 
 REPRESENTATIVE   ACTIONS: PROMOTES RETENTION OF WATER BY KIDNEYS
 
 REGULATED BY: HYPOTHALAMUS IN RESPONSE TO WATER/SALT IMBALANCE
 |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (ANTERIOR LOBE) (GH) |  | Definition 
 
        | HORMONE: GROWTH HORMONE
 
 CHEMICAL  CLASS: PROTIEN
 
 REPRESENTATIVE   ACTIONS:STIMULATES GROWTH (ESPECIALLY BONES AND MUSCLES) AND METABLOLISM
 
 REGULATED BY: HYPOTHALAMUS RELEASING AND INHIBITING HORMONES
 |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (ANTERIOR LOBE) (PRL) |  | Definition 
 
        | HORMONE: PROLACTIN (PRL)
 
 CHEMICAL  CLASS: PROTEIN
 
 REPRESENTATIVE   ACTIONS:STIMULATES MILK PRODUCTION
 
 REGULATED BY: HYPOTHALMIC HORMONES
 |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (ANTERIOR LOBE) (FSH) |  | Definition 
 
        | HORMONE: FOLLICLE STIMULATING HORMONE (FSH)
 
 CHEMICAL   CLASS: PROTEIN
 
 REPRESENTATIVE    ACTIONS:STIMULATES PRODUCTION OF OVA AND SPERM
 
 REGULATED BY:  HYPOTHALMIC HORMONES |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (ANTERIOR LOBE) (LH) |  | Definition 
 
        | HORMONE:LUTEINIZING HORMONE (LH)
 
 CHEMICAL    CLASS: PROTEIN
 
 REPRESENTATIVE     ACTIONS:STIMULATES  OVARIES AND TESTES
 
 REGULATED BY:   HYPOTHALMIC HORMONES |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (ANTERIOR LOBE) (TSH) |  | Definition 
 
        | HORMONE:THYROID STIMULATING HORMONE (TSH)
 
 CHEMICAL     CLASS: PROTEIN
 
 REPRESENTATIVE      ACTIONS:STIMULATES  THYROID GLAND
 
 REGULATED BY:    THYROXINE IN BLOOD; HYPOTHALMIC HORMONES |  | 
        |  | 
        
        | Term 
 
        |     PITUATARY GLAND (ANTERIOR LOBE) (ACTH) |  | Definition 
 
        | HORMONE:ADRENOCORTICOTROPIC HORMONE (ACTH)
 
 CHEMICAL      CLASS: PROTEIN
 
 REPRESENTATIVE       ACTIONS: STIMULATES ADRENAL CORTEGLUCOCORTX TO SECRETE 
 
 REGULATED BY: GLUCOCORTICOIDS; HYPOTHALMIC HORMONES
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE: THROXINE (T4) AND TRIIODOTHYRONINE (T3)
 
 CHEMICAL       CLASS: AMINE
 
 REPRESENTATIVE        ACTIONS: STIMULATES METABOLISM
   REGULATED BY: TSH |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE:CALCITONIN 
 
 CHEMICAL       CLASS: PEPTIDE
 
 REPRESENTATIVE        ACTIONS: REDUCES BLOOD CALCIUM LEVEL
   REGULATED BY: CALCIUM LEVEL IN BLOOD
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE: PARATHYROID HORMONE (PTH)
 
 CHEMICAL        CLASS: PEPTIDE
 
 REPRESENTATIVE         ACTIONS: RAISES BLOOD CALCIUM LEVEL
   REGULATED BY:  CALCIUM LEVEL IN BLOOD |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE:THYMOSINE 
 
 CHEMICAL        CLASS: PEPTIDE
 
 REPRESENTATIVE         ACTIONS: PROGRAMS "T" LYMPHOCITES
 (T-CELLS GO AWAY AFTER PUBERTY)   REGULATED  BY:NOT KNOWN 
 |  | 
        |  | 
        
        | Term 
 
        |     ADRENAL GLANDS (ADRENAL MEDULLA) |  | Definition 
 
        | HORMONE:EPINEPHRINE AND NOREPENEPHRINE 
 
 CHEMICAL        CLASS: AMINES
 
 REPRESENTATIVE         ACTIONS: RAISES BLOOD GLUCOSE LEVEL; INCREASE RATE OF METABOLISM; CONTSTRICTS CERTAIN BLOOD VESSELS
   REGULATED  BY: NERVOUS SYSTEM (SYPATHETIC DIVISION)
 |  | 
        |  | 
        
        | Term 
 
        |     ADRENAL GLANDS (ADRENAL CORTEX) |  | Definition 
 
        | HORMONE:GLUCOCORTICOIDS 
 
 CHEMICAL        CLASS: STEROIDS
 
 REPRESENTATIVE         ACTIONS: INCREASE BLOOD GLUCOSE
   REGULATED  BY: ACTH |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE: INSULIN
 
 CHEMICAL        CLASS: PROTEIN
 
 REPRESENTATIVE         ACTIONS: REDUCES BLOOD GLUCOSE
   REGULATED  BY: GLUCOSE LEVEL IN BLOOD |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE:GLUCAGON 
 
 CHEMICAL        CLASS: PROTEIN
 
 REPRESENTATIVE         ACTIONS: RAISES BLOOD GLUCOSE
   REGULATED  BY: GLUCOSE LEVEL IN BLOOD |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE: ANDROGENS
 
 CHEMICAL        CLASS: STEROIDS
 
 REPRESENTATIVE         ACTIONS: SUPPORT SPERM FORMATION; DEVELOPMENT AND MAINTENECE OF MALE SECONDARY SEX CHARACTARISTICS 
 REGULATED  BY: FSH AND LH
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE: ESTROGENS
 
 CHEMICAL        CLASS: STEROIDS
 
 REPRESENTATIVE         ACTIONS: STIMULATES UTERINE LINING GROWTH; DEVELOPMENT AND MAINTENENCE OF FEMALE SECONDARY SEX CHARACTARISTICS
   REGULATED  BY: FSH AND LH
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | HORMONE:  PROGESTERONE
 
 CHEMICAL        CLASS: STEROIDS
 
 REPRESENTATIVE         ACTIONS:PROMOTES GROWTH OF UTERINE LIVING
   REGULATED  BY: FSH AND LH
 |  | 
        |  |