Transcript Slide 1
Presented by Kami Dykes Receptors and Somatic Senses 1.___ are receptors that are sensitve to changes in the concentrations of chemicals. 2.Whenever tissues are damaged, ___ receptors are likely to be stimulated. 3. Receptors that are sensitive to temperature changes are called ___. 4.___ are sensitive to changes in the light energy. 5.___are sensitive to changes in pressure or to movement of fluid. 6. A sensation may seem to fade away when receptors are continuously stimulated as a result of ___ adaptation. 7. The body can only stand water heated to ___. Word Bank Chemoreceptors 120 F sensory pain thermoreceptors photoreceptors mechanoreceptors Temporal bone Semi-circular canals Vestibulocochlear nerve auricle cochlea Eustachian External Acoustic meatus Tympanic membrane Vestibulochlear nerve (auditory) Ear Cochlea Semicircular canalscontains endolymph Tympanic membrane Stapes Malleus Incus Vestibule External Ear Semicircular canals Auricle Incus Stapes Malleus Cochlea Vestibulochlear nerve (auditory) Oval window Round window Tympanic cavity Tympanic membrane External acoustic meatus Eustachian Tube Pharynx The Ear Auditory tube Ceruminous gland External auditory meatus Malleus Osseous labyrinth Scala tympani Scala vestibuli Stapes Tectorial membrane Tympanic cavity Tympanic membrane vestibule Auditory ossicle attached to tympanic membrane Air-filled space containing auditory ossicles Contact hair of hearing receptors Leads from oval window to apex of cochlea S-shaped tube leading to tympanic membrane Wax-secreting structure Cone-shaped, semitransparent membrane attached to malleus Auditory ossicle attached to oval window Bony chamber between the cochlea and semicircular canals Bony canal of inner ear in temporal bone Connects middle ear and pharynx Extends from apex of cochlea to 12-26 round window sclera iris pupil muscle cornea Iris Sclera Pupil Lens Optic disc- blind spot Fovea centralis Vitreous humor Retina Structure of the Eye Lateral rectus Retina Ciliary body Suspensory ligaments Choroid coat Sclera Vitreous humor Iris Lens Pupil Fovea centralis Cornea Aqueous humor Anterior cavity Anterior chamber Posterior chamber Optic nerve Optic disc Posterior cavity Medial rectus Structure of the Eye Aqueous humor Cornea Iris Lacrimal gland Lysozyme Optic disc Retina Sclera Vitreous humor White part of outer tunic Transparent anterior portion of outer tunic Secretes tears Fills posterior cavity of eye Area where optic nerve orginates Smooth muscle that controls light intensity Fills anterior and posterior chambers of the anterior cavity Contains visual receptors call rods and cones Antibacterial agent in tears Melissa Mr. Jones Use two cold knives with a hot knife in the middle. The brain flips out and senses it as pain. 3 Knives Experiment