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Psych Exam 1
Terms in this set (22)
Slow chemical communication system; set of glands that secrete hormones into the bloodstream
chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues
a pair of endocrine glands that sit just above the kidneys and secrete hormones (epinephrine and norepinephrine) that help arouse the body in times of stress
The endocrine system's most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands.
A neural structure lying below the thalamus; it directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward.
the brain's sensory control center, located on top of the brainstem; it directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla
the base of the brainstem; controls heartbeat and breathing
the change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell
a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body
Control center of the cell
the extension of a neuron, ending in branching terminal fibers, through which messages pass to other neurons or to muscles or glands
A layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next.
The endpoint of a neuron where neurotransmitters are stored
A neural center located in the limbic system that helps process explicit memories for storage.
A doughnut-shaped system of neural structures at the border of the brainstem and cerebral hemispheres; associated with emotions such as fear and aggression and drives such as those for food and sex. Includes the hippocampus, amygdala, and hypothalamus.
brain and spinal cord
motor neurons and sensory neurons
Somatic (voluntary) and autonomic (involuntary)
Sympathetic and parasympathetic
"stress", fight or flight
"peace", rest and digest
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