Catalogue or guide to the Liverpool Museum of Anatomy, 29 Paradise Street.

  • Liverpool Museum of Anatomy.
Date:
[1877?]
Catalogue details

Licence: Public Domain Mark

Credit: Catalogue or guide to the Liverpool Museum of Anatomy, 29 Paradise Street. Source: Wellcome Collection.

    56/68 (page 54)
    •632.—The eye magnified and dissectable :—Seven muscles. 1) Levator. (2) Kectus. superior. (3) Ditto, inferior. (4) Ditto, in tern us. (5) Ditto, extenius.' (6 and 7) Oblique, superior and •inferior. (8) Lachrymal gdand and ducts. (10) Cornea. (11) Sclerotic. (12) black choroide. (13) Iris. (14; The globe or 'vitreous humour. (15) Optic nerve. •G33.—Crystalline lens—it is double convex. •634.—The globe of the eye composed of the vitreous humour. *635.— he tin a ; or, the white expansion of the optic nerve. f636.—The black choroide coat. G37.—The Ear. By the sense of hearing we become ^acquainted with sound. This depends on the fact that souuding ^bodies produce by ibration- undulations in the air, which are conveyed to a distance, and which the ear is adapted by its ^peculiar construction to receive and transmit to the brain. In the Ear, immensely magnified, may be seen to advantage— A, Concha ; M, Meatus, or canal leading to the T. Tympanum >(drum.) A hollow cavity containing the drum, with four bones ifixed thereon called the incus or anvil, malleus or hammer, -.storrip, and the os obiculare. E, Eustachian tuble. 4)38.—B, The semi-circular canals. G39.—Nerves of ditto. 4)40.—C, Cochlea. D, the vestibule and labyrinth. 1 • * * 641. —Auditory nerve, etc. [See No. 642.] 642. —Models of the external, middle and internal portions • of the Ear, immensely magnified, dissectable. (c) Concha of the ear ; (m) meatus, or passage leading to (d) the membrane of the drum; (t) tympanum, a hollow cavity called the drum of the ear, containing four little bones or ossicles, and communicating with the back part of the throat by means of (e) eustachian tube ; (s) semicircular canalsj; (N s) nerve of semicircular canals ; (c) two sections of the cochlea, showing the internal spiral lamina, and the nervous filaments upon it; (N) auditory .nerves or nerve of hearing, which enters at the back. !