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Endocrine gland
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Location / description of the endocrine gland
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Chemical class
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Hypothalamus
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Part of the brain that acts as the main control center for the autonomic nervous system, re-establishes homeostasis, and coordinates the endocrine system
Often called the “master gland”because it secretes hormones that control other endocrine glands
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Peptide
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Anterior pituitary
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Located in the 'sella turcica' at the base of the brain
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STH or GH, Prolactin, TSH, ACTH, FSH, LH
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Polypeptide/ protein
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Posterior pituitary
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Neurological origin. Does not synthesize any hormones but releases two hormones which are synthesized in the hypothalamus
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Peptide
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Thyroid gland
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“Butterfly - shaped” gland located on either side of 1st and 2nd tracheal rings in the neck
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Thyroxine
Tri-iodothyronin
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Amino acid derived
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Calcitonin
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Polypeptide
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Parathyroid
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Located on the back of the thyroid gland
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PTH
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Polypeptide
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Islets of Langerhans
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Protein
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Adrenal gland
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Located like a cap at the cranial border of the kidneys
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Sex steroids
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Steroids
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Epinephrine Norepinephrine
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Amine
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Ovaries
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Primary reproductive organs of a female
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Steroids
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Inhibin, Relaxin, Activin, Follistatin, Oxytocin, GFs, etc.
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Protein
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Male reproductive organ that produce sperm. Located in the scrotum outside the abdominal cavity in most mammals” and within the abdominal cavity in birds
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Testosterone
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Steroids
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Inhibin
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Protein
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Thymus
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Located between the lobes of the lungs in the upper chest cavity
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Thymosin
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Peptide
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Small pine cone - shaped structure located deep in the center of the brain
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Melatonin
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Amine
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Heart
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Located in the thoracic cavity
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Polypeptide
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Kidney
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Located in the abdominal cavity at sub lumbar level
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Polypeptide
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GI tract
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Located in the abdominal cavity
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Gastrin
Secretin
Cholecyctokinin
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Polypeptide
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Placenta
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Temporary endocrine gland, located within the uterus during gestation
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Steroids
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Estrogen
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hCG
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Glycoprotein
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PMSG
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Protein B
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Relaxin
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Polypeptide
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Placental lactogen
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Participants