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Middle Ear Medical Science Human Anatomical Model For School Study

    Buy cheap Middle Ear Medical Science Human Anatomical Model For School Study from wholesalers
     
    Buy cheap Middle Ear Medical Science Human Anatomical Model For School Study from wholesalers
    • Buy cheap Middle Ear Medical Science Human Anatomical Model For School Study from wholesalers

    Middle Ear Medical Science Human Anatomical Model For School Study

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    Brand Name : Vic Science
    Model Number : VIC-303B
    Certification : CE
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 5000 Piece per Month
    Delivery Time : 7-15 works day
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    Middle Ear Medical Science Human Anatomical Model For School Study

    Human Middle Ear Model Medical Science Human Anatomy Model For Study


    Product NameMiddle Ear Model
    Product NoVIC-303B
    MaterialPVC
    Size32x16x11CM
    ApplicationFor school,laboratory and teacher
    Packing

    10pcs/carton, 73x32x42cm,11kgs

    DetailsThis model shows all major structures related to hearing and balance. Dissectible into 2 parts, 3 times enlarged. Mounted on plastic base.

    About the ear knowledge



    The ear is the organ of hearing and, in mammals, balance. In mammals, the ear is usually described as having three parts—the outer ear, the middle ear and the inner ear. The outer ear consists of the pinna and the ear canal. Since the outer ear is the only visible portion of the ear in most animals, the word "ear" often refers to the external part alone. The middle ear includes the tympanic cavity and the three ossicles. The inner ear sits in the bony labyrinth, and contains structures which are key to several senses: the semicircular canals, which enable balance and eye tracking when moving; the utricle and saccule, which enable balance when stationary; and the cochlea, which enables hearing. The ears of vertebrates are placed somewhat symmetrically on either side of the head, an arrangement that aids sound localisation.


    Structure
    The human ear consists of three parts—the outer ear, middle ear and inner ear. The ear canal of the outer ear is separated from the air-filled tympanic cavity of the middle ear by the eardrum. The middle ear contains the three small bones—the ossicles—involved in the transmission of sound, and is connected to the throat at the nasopharynx, via the pharyngeal opening of the Eustachian tube. The inner ear contains the otolith organs—the utricle and saccule—and the semicircular canals belonging to the vestibular system, as well as the cochlea of the auditory system.

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