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JessicaNyquistEndocrineSystem (Endocrine Organs (Anterior Pituitary…
JessicaNyquistEndocrineSystem
Endocrine VS. Exocrine
Endocrine
Product travels in bloodstream
-no ducts
Exocrine
Secretes a product through mucus membranes
-have ducts
Both composed of epithelial tissue
Endocrine Definitions
Endocrine organs
pituitary gland
parathyroid gland
thyroid gland
pineal gland
adrenal gland
thymus
pancreas
gonads
Endocrine tissue/cells
Organs that secrete hormones
kidneys
skin
placenta
panreas
G.I. tract
gonads
heart
hypothalamus
Secrete hormones
Hormones
chemical messengers that travel in blood
Target Cells
when a cell is matched with a specific protein receptor
Endocrine Organs
Adrenal Cortex
Zona Fasciculata
Glucocorticoids
Zona Reticularis
Glucorticoids & Androgen
Zona Glomerulosa
Minalocorticoids
-three layers-
Parathyroid Glands
Parathyroid hormone
Adrenal Medulla
Norepenephrine
Epinephrine
Thyroid Gland
Thyroid Hormone
Calcitonin
Pancreas
Glucagon
Insulin
Islet cells
Anterior Pituitary
Adrenocorticotropic Hormone
Gonadotropins
Thyroid Stimulating Hormone
Prolactin
Growth Hormone
Testes and OVaries
Ovaries: Estrogen & Progesterone
Testes: testosterone
Thymus
Thymic Hormones
Endocrine System Control
Types of Target Cells
Endocrine System
Target cells in various locations
Nervous System
Muscles, glands
Duration of action
Endocrine System
Seconds > days
Nervous System
Milleseconds
Site of Messenger Action
Endocrine System
Systemic; near or far; target cells
Nervous System
Local; At site of release; Axon terminal > synapse >bloodstream
Time to onset of action
Endocrine System
Seconds > hours >days
Nervous System
Milliseconds
Messenger Molecule
Endocrine System
Hormones
Nervous System
Neurotransmitters
Endocrine Functions
Control body functions
Regulate body functions
Coordinate body functions