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107 terms

Anatomy/ nerves

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Olfactory nerve// Nerve I // Primary Function:
Special sensory (smell)
Olfactory nerve // Nerve I //Origin:
Receptors of olfactory epithelium
Olfactory nerve// Nerve I // Passes through:
Cribriform plate of ethmoid
Olfactory nerve // Nerve I // Destination
Olfactory bulbs
Optic nerve // Nerve II // Primary Function:
Special sensory (vision)
Optic nerve // Nerve II // Origin:
Retina of eye
Optic nerve // Nerve II // Passes through:
Optic canal of sphenoid
Optic nerve // Nerve II // Destination:
Diencephalon by way of the optic chiasm
Oculomotor nerve // Nerve III // Primary Function:
Motor, eye movements
Oculomotor nerve // Nerve III // Origin:
Mesencephalon
Oculomotor nerve // Nerve III // Passes through:
Superior orbital fissure of sphenoid
Oculomotor nerve // Nerve III // Destination:
somatic motor: superior, inferior, and medial rectus muscles; the inferior oblique muscle; the levator palpebrae superioris muscle -- Visceral motor: intrinsic eye muscles
Trochlear nerve // Nerve IV // Primary Function:
Motor, eye movements
Trochlear nerve // Nerve IV // Origin:
Mesencephalon
Trochlear nerve // Nerve IV // Passes through:
Superior orbital fissure of sphenoid
Trochlear nerve // Nerve IV // Destination:
Superior oblique muscle
Trigeminal nerve // Nerve V // Primary Function:
Mixed sensory and motor: ophthalmic and maxillary branches sensory, mandibular branch mixed
Trigeminal nerve // Nerve V // Origin: Ophthalmic branc (sensory):
orbital structures, nasal cavity, skin of forehead, superior eyelid, eyebrow, and part of the nose
Trigeminal nerve // Nerve V // Passes through:
Ophthalmic branch through superior orbital fissure, maxillary branch through foramen rotundum, mandibular branch through foramen ovale
Trigeminal nerve // Nerve V // Destination:
Ophthalmic, Mandibullar, Maxillary branches to sensory nuclei in the pons, mandibular branchalso innervates muscles of mastication
Trigeminal nerve // Nerve V // Origin: Maxillary branch (sensory) :
inferior eyelid, upper lip, gums, and teeth, cheek, nose, palate, and part of the pharynx
Trigeminal nerve // Nerve V // Origin: Mandibullar branch (mixed) :
sensory from lower gums, teeth, and lips, palate, and tongue (part), motor from motor nuclei of pons
Abducens Nerve // Nerve VI // Primary Function:
Motor, eye movements
Abducens Nerve // Nerve VI // Origin:
Pons
Abducens Nerve // Nerve VI // Passes through:
Superior orbital fissure of sphenoid
Abducens Nerve // Nerve VI // Destination:
Lateral rectus muscle
Facial nerve // Nerve VII // Primary Function:
Mixed (sensory and motor)
Facial nerve // Nerve VII // Origin:
Sensory from taste receptors on anterior two-thirds of tongue, motor from motor nuclei of pons
Facial nerve // Nerve VII // Passes through:
Internal acoustic meatus of temporal bone, along facial canal to reach stylomastoid foramen
Facial nerve // Nerve VII // Destination: Sensory :
Sensory to sensory nuclei of pons
Facial nerve // Nerve VII // Destination: Somatic motor:
muscles of facial expression
Vestibulocochlear nerve // Nerve VIII // Primary Function:
Special sensory : balance and equilibrium (vestibular branch) and hearing (cochlear branch)
Vestibulocochlear nerve // Nerve VIII // Origin:
Receptors of the inner ear (Vestibule and cochlea)
Vestibulocochlear nerve // Nerve VIII // Passes through:
Internal acoustic meatus of the temporal bone
Vestibulocochlear nerve // Nerve VIII // Destination:
Vestibular and cochlear nuclei of pons and medulla oblongata
Glossopharangyl nerve // Nerve IX // Primary Function:
Mixed sensory and motor
Glossopharangyl nerve // Nerve IX // Origin: Sensory
from posterior one-third of the tongue, part of the pharynx and palate, the carotid arteries of the neck
Glossopharangyl nerve // Nerve IX // Passes through:
Jugular foramen between occipital and temporal bones
Glossopharangyl nerve // Nerve IX // Destination: Sensory
fibers to sensory nuclei of medulla oblongata
Glossopharangyl nerve // Nerve IX // Origin: Motor
from motor nuclei of medulla oblongata
Glossopharangyl nerve // Nerve IX // Destination: Somatic motor
pharyngeal muscles involved in swallowing
Glossopharangyl nerve // Nerve IX // Destination: Visceral motor
parotid salivary gland, after synapsing in the otic ganglion
Vagus nerve // Nerve X // Primary Function:
Mixed sensory and motor
Vagus nerve // Nerve X // Origin: Visceral sensory
from pharynx (part), auricle, external acoustic meatus, diaphragm, and visceral organs in thoracic and abdominopelvic cavities
Vagus nerve // Nerve X // Passes through:
Jugular foramen between occipital and temporal bones
Vagus nerve // Nerve X // Destination:
Sensory fibers to sensory nuclei and autonomic centers of medulla oblongata
Vagus nerve // Nerve X // Origin: Visceral motor
from motor nuclei in the medulla oblongata
Vagus nerve // Nerve X // Destination: Visceral motor
to respiratory, cardiovascular, and digestive organs in the thoracic and abdominal cavities
Vagus nerve // Nerve X // Destination: Somatic motor
to muscles of the palate and pharynx
Spinal accessory nerve // Nerve XI // Primary Function:
Motor
Spinal accessory nerve // Nerve XI // Origin:
Motor nuclei of spinal cord and medulla oblongata
Spinal accessory nerve // Nerve XI // Passes through:
jugular foramen between occipital and temporal bones
Spinal accessory nerve // Nerve XI // Destination: External branch
controls sternocleidomastoid and trapezius muscles
accessory nerve // Nerve XI // Destination: Internal branch
innervates voluntary muscles of palate, pharynx, and larynx
Hypoglossal nerve // Nerve XII // Primary Function:
Motor, tongue movements
Hypoglossal nerve // Nerve XII // Origin:
Motor nuclei of the medulla oblongata
Hypoglossal nerve // Nerve XII // Passes through:
Hypoglossal canal of occipital bone
Hypoglossal nerve // Nerve XII // Destination:
Muscles of the tongue
Hypoglossal nerve // Nerve XII // Foramen
Hypoglossal canal
Spinal accessory nerve // Nerve XI // Foramen
Jugular foramen
Vagus nerve // Nerve X // Foramen
Jugular foramen
Glossopharangyl nerve // Nerve IX // Foramen
Jugular foramen
Vestibulocochlear nerve // Nerve VIII // Foramen
Internal acoustic meatus
Facial nerve // Nerve VII // Foramen
Internal acoustic meatus to facial canal ; exits at stylomastoid foramen
Abducens Nerve // Nerve VI // Foramen
Superior orbital fissure
Trigeminal nerve // Nerve V // Foramen : Ophthalmic
Superior orbital fissure
Trigeminal nerve // Nerve V // Foramen : Maxillary
Foramen rotundum
Trigeminal nerve // Nerve V // Foramen : Mandibular
Foramen ovale
Trochlear nerve // Nerve IV // Foramen :
Superior orbital fissure
Oculomotor nerve // Nerve III // Foramen :
Superior orbital fissure
Optic nerve // Nerve II // Foramen :
Optic canal
Olfactory nerve// Nerve I // Foramen :
Cribriform plate
Cerebrum resoponsible for
conscious thought, intellectual functions, memory storage and retrieval, complex motor patterns
gyri
seperates the intervening ridges
sulci
surface of the cerebrum
Diencephalon consists of
Epithalamus, thalamus, hypothalamus
Epithalamus
contains the hormone secreting pineal gland, an endocrine structure
Thalamus responsible for
sensory information relay and processing centers
Hypothalamus responsible for
Centers controlling emotions, autonomic functions, and hormone production
Mesencephalon responsible for
processing visual and auditory information, and coordinate direct reflexive somatic motor responses to these stimuli, maintaince of consiousness
Pons responsible for
somatic and visceral motor functions
Cerebellum responsible for
automatically adjusting motor activities on teh basis of sensory information and memories of learned patterns of movement
Medulla Oblongata responsible for
relays sensory information to the thalamus and to other brain stem centers, regulation of autonomic function, such as heart rate, blood pressure, and digestive activities
Primary motor cortex function is
Conscious control of skeletal muscles
Parietal lobe function is
Conscious perception of touch, pressure, vibration, pain, temperature, and taste
Occipital lobe function is
Conscious perception of visual stimuli
Temporal lobe function is
Conscious perception of auditory and olfactory stimuli
All lobes have association areas that have the function of
Integration and processing of sensory data; processing and initiation of motor activities
Primary sensory cortex function is
recieve somatic sensory information from touch, pressure, pain, taste and temperature receptors
Visual cortex function is
recieves visual information
Auditory cortex function is
hearing
Gustatory cortex function is
recieves information from taste receptors of the tongue and pharynx
somatic sensory association area function is
to allow you to comprehend the size, form, and texture of an object
somatic motor association area function is
uses memories of learned movement patterns to coordinate motor actitivities
Association fibers do what
interconnect portions of the cerebral cortex within the same cerebral hemisphere
Commissural fibers do what
permit communication between teh two hemispheres
Projection fibers do what
link the cerbral cortex to the diencephalon, brain stem, cerebellum, and spinal cord
Internal capsule is
the entire collection of fibers that make up the central white matter of the brain
Superior colliculi do what
integrate visual information with other sensory inputs; initiate reflex responses to visual stimuli
Inferior colliculi do what
relay auditory information to medial geniculate nuclei; initiate reflex response to auditory stimuli
Gray matter is associated with what cranial nerves?
Nerve V, Nerve VI, Nerve VII, and Nerve VIII
White matter is associated with what cranial nerves?
Nerve III, and Nerve IV
the enteric nervous system
an extensive network of neurons and nerve networks located in the walls of the digestive tract
The Autonomic system consists of
the sympathetic, parasympathetic, and enteric nervous systems
Parasympathetic division of the Autonomic nervous system includes what cranial and sacral nerves?
Nerve III, Nerve VII, Nerve IX, Nerve X, and Sacral nerves at S2,S3, and S4 and is called the craniosacral division
Sympathetic division of the Autonomic nervous system includes what nerves?
All of the thoracic nerves and L1 and L2. and is called the thoracolumbar division
Major effect produced by preganglionic fibers innervating the adrenal medullae
Release of epinephrine and norepinephrine into the general circulation