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Lecture 14

ANTH-UA 2 Lecture Notes - Lecture 14: Cortisol, Gonadotropin, Melatonin

Course Code
Richard Bailey

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Primate Physiology
Communication Systems
Nervous system - carries electrical messages from the brain throughout the body
Endocrine system - carries chemical messages from different organs throughout the
body via the blood
Hormone Classes
Amino Acid derivatives: adrenalin, melatonin
Fatty acids derivatives: prostaglandines
Peptides: insulin, oxytocin
Polypeptides/proteins: gonadotropins (LH, FSH)
Steroids: sex hormones (testosterone, estradiol), adrenal hormones (cortisol,
Pineal gland - melatonin
Thymus - thymosin
Pancreas - insulin
Ovary - oestradiol, progesterone
Testis - testosterone
Adrenal gland - cortisol, adrenalin
Thyroid gland - thyroxine
Pituitary gland - LH, FSH, oxytocin
Main Actions of Hormones
Maintain internal homeostasis
Support cell growth
Coordinate developmental processes
Coordinate reproductive processes
Facilitate responses to external stimuli
Coordinate/regulate behavior
Blood Sampling
Contains hormones, can measure
Capture and restraint of the animal (would lead to increase in cortisol)
Only tells you about short term variation
● Dangerous
Almost impossible in wild animals
Alternate Measurements
Urine and feces
Measurement of hormone metabolites
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