A text book of the diseases of the ear, nose and pharynx / by D. B. St. John Roosa and Beaman Douglass.

Date:
1905
Catalogue details

Licence: In copyright

Credit: A text book of the diseases of the ear, nose and pharynx / by D. B. St. John Roosa and Beaman Douglass. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    Vlll CHAPTER IV. DISEASES OF THE EXTERNAL AUDITORY CANAL. PAGE Diffuse inflammation.—Method of using a syringe.—Cotton-hold- ers.—Incisions for relief of swelling and pain.—Desquamative inflammation.—Furuncles.—Parasitic inflammation.—Aspergil- lus.—Syphilitic ulcers.—Narrowing and closure of the canal.— Sarcoma.—Caries.—Diphtheritic inflammation 78 CHAPTER V. INSPISSATED CERUMEN, FOREIGN BODIES IN THE EAR. Hardening of the ear wax generally considered a harmless affec- tion.—Scarcely ever an independent disease.—Causes.—Symp- toms.—Diseases of tlie acoustic nerve, with impacted cerumen. —Treatment exceedingly simple.—Chiefly in the use of a syringe and warm water.—Composition and functions of cerumen.— Hallucinations caused by hardened wax.—Foreign bodies in the ear.—Wrong method of practice, productive of disastrous re- sults.—Classification of foreign bodies that may enter the ear. —Insects.—Living larvae.—Inanimate foreign bodies.—Proper method of removal of foreign bodies —The operation of detach- ing the auricle from the ear for removing a foreign body.— The interest of the late Marion Sims in this subject.—Disastr- ous results of attempting to remove a foreign body from the ear of a child.—Conclusions as to the procedure, in case of suspected foreign bodies.—Foreign bodies in the Eustachian tube.—Ear cough.—The nerve supply of the auditory canal.—The theory of affections of the larynx due to auditory irritation... 99 CHAPTER VI. ANATOMY OF THE MIDDLE EAR. Membrana tympani.—The triangular spot of light.—The layers of the' membrana tympani.—Blood-vessels.—Nerves.—Lymphatics. —The cavity of the tympanum.—Ossicula auditus.—Blood-ves- sels and nerves of the tympanic cavity.—Mastoid process.—Mas- toid cells.—Eustachian tube.—Muscles of the tube.—Blood ves- sels and nerves.—Functions of the Membrana tympani.—Ossicula auditus and Eustachian tube 137 CHAPTER VII. INJURIES OF THE MEMBRANA TYMPANI. Very few independent affections of the membrana tympani.—Rup- ture by the explosion of artillery.—Resisting power of the mem-