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increase in aqueous humor, its on the cornea, too much pressure in the eye


is on the lens and it appears cloudy


cranial nerve 8


cranial nerve 2

typmpanic membrane

middle ear

eustacian tube

connects tympanic bulla to the pharynx

vitreous humor

gelatinous body behind the lens

anterior chamber

area in front of iris

posterior chamber

area behind iris


intra ocular pressure


aera where animals with no pigment , glows at nigth


need to see light


need to see color/detail

optic disc

where the optic never links the eye to the brain


back of the eye where the retina and optic nerve can be seen


looking into the back of the eye



3rd eyelid

nictitating membrane

peripheral nervous system

nerves extending from the spinal cord and brain to other parts of the body like muscles, intestines and the skin

autonomic nervous system

nerves going to various organs


basic until of the nervous system or

nerve cell body

contains nucleus and cytoplasma


sensory projections which carry information to the nerve cell body


carries impulses away from the cell body to other neurons or other target tissue


junction between neurons where they can communicate with each other using electrical umpulses


chemicals that help to conduct information between synapse


is fatty covering on the outside of nerves to help speed up the transmission of signals

gray matter

does not have myelin, on outside

white matter

does have myelin, on the inside


largest portion of the forebrain, important in thinking, sight, smell, and muscle control

gyri, sulci

ridges and depressions on the outside of the cerebrum


contains cerebro-spinal fluid


condition where the venticles can not connect with each other and allow fluid to circulate , water on the brain


white matter which serves as nerve pathways between the verebrum and other areas of the nervous system


consists of the cerebellum

medulla oblongata

contains reflex centers for respiration and circulatory control


thick membrane which cover the brain and spinal cord

spinal cord

white matter on the outside and grey matter on the inside

white matter 2

usually functions as connection tracts and pathways between neurons and brain center

grey matter 2

consists of neuronal cell bodies which are the brains of the neves

dorsal roots

receive input from sensory nerves

ventral roots

sends out signals to control motor functions


formed from groups of nerves that join together to do a common factor after they have left the spinal cord

brachial plexus

formed from some of the cervical and thoracic nerves to help to innervate the muscles of the forelimbs

lumbosacral plexus

is made from nerves from the lumbar and sacral areas to innervate the pelvi limbs

caudo equina

narrow area resembles the end of a horse's tail

cranial nerve 1

olfactory nerve, smelling

cranial nerve 8

facial nerve have sensory and motor function

cranial nerve 10

vagus nerve, sensory and motor function to the larynx


some nerves from the thoracic and lumbar spinal cord and is regulated by epinephrine

parasympathetic system

neurotransmitters which regulates acetylcholine

reflex arch

afferent neuron and efferent neuron

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