Science Quiz / Histology Ears and Eyes

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Can you name the Histology Ears and Eyes?

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

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