vision
Receptors of the eye
hearing
Receptors in the inner ear
Equilibrium
Balance
taste
Receptors in the tongue
Smell
Receptors in the upper nasal cavities
general senses
temperature, pain, touch, pressure, vibration, proprioception
lacrimal gland
produces tears
nasolacrimal duct
passageway for tears from the lacrimal sac into the nose
lacrimal apparatus
the structures that produce, store, and remove tears
conjunctiva
The thin membrane lines the inner surface of the eyelids and folds back to cover the visible portion of the white of the eye
eyelid
protection for the eye
Cornea
The anterior portion of the fibrous tunic is the forward curving, transparent and colorless
choroid
middle, vascular layer of the eye, between the retina and the sclera
Retina
innermost layer of the eye
rods and cones
The retina contains light sensitive cells know as
Iris
a ring of muscle tissue that forms the colored portion of the eye around the pupil and controls the size of the pupil opening
pupil
opening in the center of the iris
aqueous humor
watery liquid that fills much of the eyeball anterior to the lens
Dilation
enlargement of the pupil is know as
hyperopia
farsightedness
myopia
nearsightedness
presbyopia
farsightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.
Starbismus
cross-eyed
Astigmatism
defective curvature of the cornea or lens of the eye
Conjunctivitis
inflammation of the conjunctiva (pink eye)
Neonatal conjunctivitis
acute infection caused by organisms acquired during passage through the birth canal
enucleation
surgical removal of the eyeball
Glaucoma
Excess pressure of the Aqueous humor
diabetic retinopathy
damage to the small blood vessels of the choroid in bleeding and death of retinal neurons
retinal detachment
separation of the retina from the underlying choroid layer as a result of trauma or an accumulation of fluid or tissue between the layers.
outer ear
the outermost part of the ear,
middle ear
Air space containing three small bones
inner ear
The most complex , receptors for hearing and equilibrium
Pinna
external ear
cerminous glands
Wax production
cerumen
ear wax
otitis media
infection of the middle ear
otitis externa
swimmers ear
Conductive hearing loss
Hearing loss or impairment resulting from interference with the passage of sound waves from the outside of the inner ear
presbycusis
age related hearing loss
Gustation
sense of taste
umami
taste for monosodium glutamate (savory)
sweet
Receptors respond to simple sugars
salty
Receptors respond to sodium
bitter
Receptors respond to a various organic compounds
tactile corpuscles
touch receptors