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Peripheral Nervous & Endocrine System (Cranial Nerves and Function…
Peripheral Nervous & Endocrine System
Endocrine Organs,.
pineal
melatonin - controls sleep cycles =, alertness, and temperature
hypothalamus
produces hormones that stimulate the pituitary gland
pituitary
master gland that signals other glands to produce their hormones when needed
thyroid
thyroid hormone - controls the basal metabolic rate
adernals
glucocorticoids or cortisol- responds to stress or injury and releases anti-inflammation
pancreas
controls blood sugar levels
ovaries
regulate the female reproductive system
testies
regulate the males reproductive system
Cranial Nerves and Function
optic
arises from retina of the eye and functions in vision
trochlear
superior oblique muscle of eye
oculumotor
mostly motor function- most of muscles of eye, eyelid, and pupillary constriction
abducens
lateral rectus eye muscle abducts the eye
trigeminal
3 branches- motor- chewing; sensory- skin of face
vestibulocochlear
sensory- hearing and equalibrum
facial
motor to muscles of facial expression; sensory- taste
vagus
motor- smooth motor contraction and relaxation, secretion of digestive fluids; sensory- form visceral organs is supplies and proprioception
glossopharyngeal
motor- secretion of siliva; sensory taste, regulation of blood pressure, and proce[tion of muscles involved in swallowing.
hypoglossal
motor- movement of tongue during speech and swallowing; sensory- proprioception
accessory
motor- swallowing and movements of head; sensory- proprioception
olfactory
sensory nerve that functions in sense
Divisions of the Autonomic Nervous System
sympathetic division
originates in the thoracolumbar segments of the spinal cord
synapses in ganglia near spinal cord
short pre-ganglionic and long post ganglionic neuron
neurotransmitters; epinephrine and norephrine
effector organ; eyes, lungs, heart,
remember E exercise, excitement, emergency, and embarrassment
parasympathetic division
originates in brain stem and sacral
synapses in ganglionic near effector organ
long pre- ganglionic and short post ganglionic neuron
neurotransmitters; acet
acetylcholine
effector organs; salivary glands, digestive, and reproductive organs
remember D digestion, defecation, and diuresis