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What structures pass through the various foramen?
The foramen magnum transmits the spinal cord, accessory nerves, vertebral arteries, and the anterior and posterior spinal arteries. The superior orbital fissure transmits oculomotor, trochlear, ophthalmic division of trigeminal, abducens, and ophthalmic veins. The optic foramen transmits the optic nerve and ophthalmic artery. And the jugular foramen transmits the glossopharyngeal, vagus, and accessory nerves, the internal jugular vein, and the sigmoid sinus.
Which bone bears the infraorbital foramen?
The infraorbital foramen is located in the maxillary bone of the skulls. This opening is the passageway for the Infraorbital artery, vein, and nerve.
The visual pathway to the occipital lobe of the brain consists most simply of a chain of five neurons beginning with the photoreceptor cell of the retina name them and note their location in the pat?
Photoreceptor cells in the retina. Bipolar cells in the retina. Ganglion cells in the retina. Optic nerve fibers in the optic nerve. Lateral geniculate nucleus in the thalamus. Optic radiation fibers in the brain to the primary visual cortex in the occipital lobe.
What is the function of the optic disk in the eye?
Optic disc:The optic disc is also called the blind spot. There are no receptors in this part of the retina. This is where all of the axons of the ganglion cells(last neurons before optic nerve) exit the retina to form the optic nerve.
What is the function of the optic chiasm?
The optic chiasma is in front of the pituitary gland where optic nerve fibers pass to the brain. The function of the optic chiasma is to relay electric signals as they pass from the optic nerve to the brain.
Does the optic nerve pass through the foramen ovale?
The natural blind spot (scotoma) is due to lack of receptors (rods or cones) where the optic nerve and blood vessels leave the eye. It is where the optic nerve leaves the retina not enter it. The optic disk or blind spot is where the optic nerve leaves the eye; you cannot use that field of vision because the optic nerve is there.
What is the function of supraorbital foramen?
the optic nerve passes through it
What structures pass through the various foramen?
The foramen magnum transmits the spinal cord, accessory nerves, vertebral arteries, and the anterior and posterior spinal arteries. The superior orbital fissure transmits oculomotor, trochlear, ophthalmic division of trigeminal, abducens, and ophthalmic veins. The optic foramen transmits the optic nerve and ophthalmic artery. And the jugular foramen transmits the glossopharyngeal, vagus, and accessory nerves, the internal jugular vein, and the sigmoid sinus.
What is the function of the hyaloid canal?
The hyaloid canal is a small, fluid-filled channel located in the vitreous body of the eye, extending from the optic disc to the lens. Its primary function is to house the hyaloid artery during fetal development, which supplies nutrients to the developing lens and retina. After birth, the artery usually regresses, leaving the canal as a remnant, but it may play a role in the maintenance of vitreous structure. Its presence is more of an anatomical feature rather than a functional necessity in adults.
What bone is the optic canal is found in?
sphenoid bone.
What is the order of the neural pathway?
retina optic nerve optic chiasma optic tract lateral geniculate nucleus optic radiations primary visual cortex
Which bone bears the infraorbital foramen?
The infraorbital foramen is located in the maxillary bone of the skulls. This opening is the passageway for the Infraorbital artery, vein, and nerve.
What are symptoms of atrophy?
Symptoms of optic atrophy are a change in the optic disc and a decrease in visual function
What is the function of the optic tube?
It helps you see
What carries sensory information from the eye to the brain?
optic....................
What is the function of a squids optic nerve?
it is part of the Squids eye Sight...
What is the function of squid's optic nerve?
so the squid can see it's prey and predators and other objects
