Histology Ears and Eyes

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this muscle dampens the movement of the stapes.
increasing or decreasing the size of the pupil is known as
the macula of utricle detects movements in the _____ plane.
the eye is composed of _ layers.
layer of the retina contains the photoreceptor cells
basement membrane of the corneal endothelial cells
this fluid of the inner ear is high in Na concentration and low in K concentration
rods and cones are _______ cells.
Effect of age on lens’s elasticity and ability to accommodate
this membrane lies beneath the corneal epithelium and the corneal stroma
true or false: the corneal epithelium is regenrative.
site where the optic nerve joins the eye
ganglia of the cochlear division of CN VIII are located where?
the macula of saccule detects movements in the _____ plane.
a destructive and expanding growth consisting of keratinizing squamous epithelium in the middle ear and/or mastoid process.
embryonic origin of the optic nerve
the space between the posterior surface of the iris and the anterior lens
hearing loss resulting from sound waves being mechanically impeded from reaching the sensory receptors in the internal ear
the embryonic origin of the eustachian tube
upper wall of scala media
which compartment of the ear contains endolymph?
the transparent front part of the eye that covers the iris, pupil, and anterior chamber.
type of innervation (sympathetic or parasympathetic) of constrictor/ sphincter pupillae muscle
pigment associated with cones
how many sensory regions of the inner ear?
space between the cornea and the iris
this layer includes the sclera and cornea
contains the processes of horizontal, amacrine, bipolar, and Muller's cells that connect to each other
contains the nuclei or cell bodies of the ganglion cells
medical term for earwax
embryonic origin of the external auditory meatus
oval appendage of the ear that extends from the lateral portion of the head and collects sound waves
composed of the basal lamina of Muller's cells
embryonic origin of the stapes
watery liquid located in the anterior and posterior chambers of the eye
central circular aperture of the iris
separation of retinal pigmental epithelium and the neural retina is known as _____ _____.
contraction of this muscle tenses the tympanic membrane. Inserts onto the malleus.
nutrient layer of the eye containing blood vessels
the auditory ossicles connect the tympanic membrane to what structure?
contains the nuclei or cell bodies of the retinal rods and cones
absorption of fluid in the eye occurs within the ___ __ ____.
this layer of squamous epithelial cells provides for metabolic exchange between the cornea and the aqueous humor
this layer includes the outer retinal epithelium, inner neural retina, and epithelium of the ciliary body and iris.
embryonic origin of the vitreous body of the eye
a contractile diaphragm that extends over the anterior surface of the lens. Has melanin pigments:
pigment associated with rods
embryonic origin of the malleus
inner layer of retina that contains light sensitive receptors and complex neuronal networks
this fluid of the inner ear is high in K concentration and low in Na concentration
lower wall of scala media
type of innervation (sympathetic or parasympathetic) of dilator pupillae muscle
space between the posterior lens and neural retina
sensory innervation of the corneal epithelium
contains processes of ganglion cells that lead from the retina to the brain
conversion of sound waves to mechanical vibrations is the main function of which part of the ear?
contains the nuclei or cell bodies of horizontal, amacrine, bipolar, and Muller's cells
embryonic origin of the lens of the eye
the utricle and the saccule are located in what portion of the ear?
hearing loss resulting from damage to hair cells or cochlear division of CN VIII
the malleus, incus, and stapes are known as
these cells convert mechanical energy into electrical signal
responsible for the production and maintenance of endolymph
the apical boundary of Muller's cells
contains processes of retinal rods and cones and processes of horizontal, amacrine, bipolar, and Muller's cells
embryonic origin of the extraocular muscles
contraction of the ciliary muscle causes a change in the shape of what structure?
the stapedius and the tensor tympani are rsponsible for the ______ reflex.
this gel like substance acts as the shock absorber of the eye and maintains the shape of the eye
sensory receptor for angular head movements
embryonic origin of the sclera
which auditory ossicle is attached to the eardrum
this structure is composed of dense fibrous connective tissue that provides attachment sites for the extrinsic eye muscles
this depression in the retina only contains cones
an outer layer of retina that is composed of simple cuboidal melanin containingcell
inflammation of eardrum
inflammation external auditory meatus
this epithelium functions to secrete aqueous humor, it is a part of the blood aqueous barrier, and it is involved in secretion & anchoring of the zonular fibers
this layer includes the choroid, stroma ciliary body, and the iris
embryonic origin of the incus

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Created Oct 25, 2011ReportNominate
Tags:ear, eye