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Endocrine System

Biology 30

TermDefinition
Homeostasis
Exocrine Gland Glands that release secretions through ducts into a body cavity outside the body
Endocrine Gland ductless glands that release hormones directly into blood or lymph
Hormone chemical messenger for endocrine system; regulates activities of organs/tissues
Negative Feedback High hormone concentration or its effects inhibit further production of the hormone. Prevents over secretion and promotes homeostasis.
Positive Feedback High hormone concentration or its effects promote further production of the hormone
Tropic Hormone
Short-Term Stress Response
Fight-or-Flight Response
Long-Term Stress Response
Hypothalamus Controls the autonomic nervous system with medulla oblongata. Regulates body temperature and intake of food and water. Influences reproductive physiology. Has specialized neural cells that produce/secrete hormones
Anterior Pituitary Controlled by releasing hormones from hypothalamus. Synthesizes an releases 6 hormones that help control reproduction and growth and metabolism
Posterior Pituitary Controlled by nerves from hypothalamus. Doesn't synthesize hormones. Instead stores and releases ADH and oxytocin profuced by hypothalamus. ADH and oxytocin are transferred to the posterior pituitary by neuronal axons.
Thyroid Gland Increases metabolic rate. Lowers blood calcium levels
Parathyroid Gland Specialized tissue on thyroid
Adrenal Gland
Pancreatic Islet Cells
Ovary
Testis
Type I Diabetes Mellitus
Type II Diabetes Mellitus
Diabetes Insipidus
Hyperglycemia
Created by: Carlie588