What's the difference between ear and eardrum?

Ear


Definition:

  • (n.) The organ of hearing; the external ear.
  • (n.) The sense of hearing; the perception of sounds; the power of discriminating between different tones; as, a nice ear for music; -- in the singular only.
  • (n.) That which resembles in shape or position the ear of an animal; any prominence or projection on an object, -- usually one for support or attachment; a lug; a handle; as, the ears of a tub, a skillet, or dish. The ears of a boat are outside kneepieces near the bow. See Illust. of Bell.
  • (n.) Same as Acroterium.
  • (n.) Same as Crossette.
  • (n.) Privilege of being kindly heard; favor; attention.
  • (v. t.) To take in with the ears; to hear.
  • (n.) The spike or head of any cereal (as, wheat, rye, barley, Indian corn, etc.), containing the kernels.
  • (v. i.) To put forth ears in growing; to form ears, as grain; as, this corn ears well.
  • (v. t.) To plow or till; to cultivate.

Example Sentences:

  • (1) In addition autoradiography was performed to localize labelled cells in the inner ear.
  • (2) In addition to the aqueduct other associated inner ear anomalies have been identified in 60% of this population including: enlarged vestibule (14); enlarged vestibule and lateral semicircular canal (7); enlarged vestibule and hypoplastic cochlea (4); and hypoplastic cochlea (4).
  • (3) Circuitry has been developed to feed the output of an ear densitogram pickup into one channel of a two-channel Holter monitor.
  • (4) Bipolar derivations with the maximum PSE always included the locations with the maximum PSE obtained from a linked ears reference.
  • (5) There were no statistically significant increases in ABR thresholds for irradiated ears vs. control ears.
  • (6) In the 12 prognostically most favourable ears the cavity was repneumatized.
  • (7) In the study group 43 (64%) children had a confirmed bacterial AOM and 24 (36%) showed no bacterial growth from middle ear fluid.
  • (8) Ernst Reissner studied the formation of the inner ear initially using the embryos of fowls, then the embryos of mammals, mainly cows and pigs, and to a less extent the embryos of man.
  • (9) Platinum deer mice are conspicuously pale, with light ears and tail stripe.
  • (10) Fascia TM grafts atrophied in 35 of 43 ears (80%), and perichondrium atrophied in 8 of 20 ears (40%).
  • (11) Noise exposure and demographic data applicable to the United States, and procedures for predicting noise-induced permanent threshold shift (NIPTS) and nosocusis, were used to account for some 8.7 dB of the 13.4 dB average difference between the hearing levels at high frequencies for otologically and noise screened versus unscreened male ears; (this average difference is for the average of the hearing levels at 3000, 4000, and 6000 Hz, average for the 10th, 50th, and 90th percentiles, and ages 20-65 years).
  • (12) Recurrent respiratory infections occurred in 17 (38%), and chronic recurrent middle ear effusions were noted in 33 (73%).
  • (13) The observed staining indicated that the epithelium of the external auditory meatus has a pattern of keratin expression typical of epidermis in general and the epithelium of the middle ear resembles simple columnar epithelia.
  • (14) On the seventh day, when middle ear effusions were absent, the ciliary activity had recovered to normal.
  • (15) Calves were tagged in the right ear with the green certified preconditioned for health (CPH) tag of the American Association of Bovine Practitioners.
  • (16) Inner Ear Decompression Sickness (IEDCS)--manifested by tinnitus, vertigo, nausea, vomiting, and hearing loss--is usually associated with deep air or mixed gas dives, and accompanied by other CNS symptoms of decompression sickness (DCS).
  • (17) Real ear CVRs, calculated from real ear recordings of nonsense syllables, were obtained from eight hearing-impaired listeners.
  • (18) A 56-year-old man was admitted because of left facial palsy and hearing loss of bilateral ears.
  • (19) Bamu also beat him, taking a pair of pliers and wrenching his ear.
  • (20) Most symptoms come from the ciliated airways (nose, paranasal sinuses, and bronchs) and from the middle ear.

Eardrum


Definition:

  • (n.) The tympanum. See Illust. of Ear.

Example Sentences:

  • (1) Their use is indicated in large or total defects to restore the natural anatomical conical shape of the eardrum, particularly in congenital atresia.
  • (2) Primitively, vibrations reached the stapes mainly via the anterior hyoid cornu, but in dicynodonts, therocephalians, and cynodants vibrations passed mainly or exclusively from mandible to quadrate to stapes and the reflected lamina was a component of the eardrum.
  • (3) An attempt was made to answer the question whether it is justified to set an age limit for performance of eardrum reconstructions in children.
  • (4) A possible relationship of primary auditory and primary nonauditory blast injury was discussed, and it has been concluded that more severe rupture of the eardrum in the injured by mine explosion can suggest the presence of primary blast injuries.
  • (5) His back was also injured, and both his eardrums burst, he said.
  • (6) The nature of the acoustic coupling limits the passive energy absorption and transmission properties of the eardrum.
  • (7) The hierarchy illuminates some of the limitations of various simplified elements commonly used to model the middle ear and demonstrates the necessity of treating the acoustics and the eardrum as an integrated subsystem.
  • (8) Large variations of sound pressure along the ear canal and over the surface of the eardrum are found above about 10 kHz.
  • (9) The acoustical energy reflectance at the eardrum, as calculated from a model of the ear canal when terminated by the middle ear model, agrees reasonably well with experimental data up to about 12 kHz.
  • (10) The tubal compliance index (TCI), which is the ratio of the tubal resistance between two different air flow rates, was compared among three groups: 36 ears of children with otitis media with effusion (OME), 26 ears of adult OME patients, and 10 otherwise normal ears with traumatic perforations of the eardrum.
  • (11) A major part of this alteration is due to the interaction of various mechanical and acoustic resonances which are characteristic of the hearing-aid receiver and the sound transmission system linking the receiver with the eardrum.
  • (12) I hope I don't sound too much of fuddy-fuddy -- actually, I know I do -- but surely the point of an athletics meet is to watch athletics and see people run and throw things -- and not to have your eardrums assaulted by a booming bass beat?
  • (13) The present study also included gross and histopathological examinations of the eardrum and observation of fibers of the lamina propria of the transplanted tympanic membrane by means of polarizing microscopy and of vascularization by intravascular India ink injection.
  • (14) In cases of retraction of the eardrum, the otoemissions were present in 2 of 23 ears.
  • (15) However, based on calculations of anticipated leakage of H2S for a variety of eustachian tube conditions and in the absence of either medical literature or personal reports documenting H2S poisoning due to eardrum perforation, the recommendation for excluding workers with such a condition from working in or around H2S is not supported.
  • (16) The auditory sensitivity of the rats with cotton-stuffed ears and the pierced eardrums decreased about 10 and 20 dB, respectively.
  • (17) Twenty-five eardrums of 15 healthy children without past or present history of otological disease were examined using otoscopy; a photograph of each eardrum was obtained.
  • (18) Perforated eardrums were found in 13.9% of Aboriginal and in 0.3% of European children's ears, and this abnormality was strongly associated with low weight and height status.
  • (19) Revised acoustic energy reflection coefficients, at the eardrum, are obtained for 20 ears for frequencies between 3 and 13 kHz.
  • (20) Three children whose eardrums appeared normal upon previous examinations, one with the otomicroscope, apparently developed tympanic membrane cholesteatomas that penetrated the fibrous layer of the pars tensa.

Words possibly related to "ear"

Words possibly related to "eardrum"