Henry Gray (1825–1861). Anatomy of the Human Body. 1918.
pages 1041
| external, or mucous, derived from the mucous lining of the tympanic cavity; an internal, from the lining membrane of the cochlea; and an intermediate, or fibrous layer. |
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FIG. 913– Coronal section of right temporal bone. (See enlarged image) |
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FIG. 914– The medial wall and part of the posterior and anterior walls of the right tympanic cavity, lateral view. (Spalteholz.) (See enlarged image) |