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Peripheral Nervous and Endocrine System (Names of Cranial Nerves and…
Peripheral Nervous and Endocrine System
Names of Cranial
Nerves and Function
olfactory is the sensory nerve that functions in sense of smell.
optic arises from retina of the eye and functions in vision.
oculomotor mostly motor function which means most of muscles of eye,eyelid, and pupillary constriction.
trochlear is the superior oblique muscle of the eye.
trigeminal has 3 branches motor which means chewing; sensory and the skin of the face.
aducens is the lateral rectus of the eye muscle and abducts the eye.
facial is the motor to the muscles of facial expressions and sensory taste.
vestibulococholear is a sensory that has hearing and equilibrium which means balance.
glossopharyngeal is a motor that secretions of saliva, sensory taste regulation of blood pressure and proprioception of muscle involved in swallowing.
vagus is a motor which is a smooth muscle, contraction and relaxation secretion of digestive fluid.
accessory is a motor is swallowing and movements of the head.
hypoglossal is a motor which is a movement of tongue during speech and swallowing.
Divisions of the Autonomic Nervous System
Parasympathetic division originate in brainstem and sacral. Synapses in ganglia near effector organ. Long pre-ganglionic and short postganglionic organs, neurotransmitter is acetylcholine and the effectors organs ae salivary glands, digestive and reproductive organs.
Sympathetic division originates in the thoracolumbar segments of the spinal cord. Synapses in ganga near the spinal cord. Short pre-ganglionic and long postganglionic neuron. The neurotransmitters are epinephrine and norepinephrine and the effects organs are the eyes, lungs and heart.
Names of all the
Endocrine Organs, Hormones, and their functions
endocrine organs
melatonin controls sleep cycles, alertness and temperature.
hypothalamus produces hormones that stimulate the pituitary gland.
anterior gland makes and releases hormones under the control of the hypothalamus.
posterior gland makes and releases hormones under the control of the hypothalamus.
oxytocin stimulates contraction of the uterus during labor and milk let down or ejection from alveloi.
pituitary gland is the master gland hat signals other to produce their hormones when needed.
Hormones
luternizing hormone both involved with development of the ovaries with testes.
adrenocorticotropic hormone stimulates the adreal gland to release coriso.
human growth hormones stimulates growth during infancy and puberty
prolactin initiates and maintains milk secretion .
thyroid stimulating hormones control basal metabolic rate by releasing thyroxine.
melanocyte stimulating hormones stimulates production of melanin in the skin.
antidiuretic hormone which regulates fluid balance by increasing body fluid volume an decreasing urine output.