What's the difference between cochlea and ear?

Cochlea


Definition:

  • (n.) An appendage of the labyrinth of the internal ear, which is elongated and coiled into a spiral in mammals. See Ear.

Example Sentences:

  • (1) 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).
  • (2) We tested the hypothesis that furosemide interferes with energy generation in the cochlea, and determined its effect on CO2 formation from glucose and glyceroaldehyde-3-phosphate dehydrogenase (GAPDH) activity by examining biochemical and histochemical changes in the cochlea, the kidney, and the liver.
  • (3) Although sound pressure levels are high, they are probably reduced before reaching the cochlea of the fetus because of the surrounding amniotic fluid and the fluid in the middle ear.
  • (4) We use this procedure to assess the excitability of the auditory nerve, the patency of the cochlea and to detect undesirable side effects of electrical stimulation, such as facial nerve activation.
  • (5) After 2-4 days the cochleas were prepared for morphological analysis by scanning electron microscopy and chemical analysis by X-ray dispersive microanalysis.
  • (6) Complete atrophy of variable lengths of the terminal basal coil cells was also found in all elderly cochleas.
  • (7) In a series with sixteen normal adult volunteers, 22 to 45 years in age, 100% of the cochleae, vestibules, and lateral and posterior semicircular canals were clearly demonstrated in T2 weighted images.
  • (8) In animals receiving passive (unstimulated) implants, morphometric analysis of spiral ganglion cell density showed no significant difference in ganglion cell survival between the implanted cochleas and the contralateral control ears.
  • (9) Measurements were obtained from fibers innervating hair cells in both the region of the cochlea that contains a tectorial membrane (tectorial fibers) and the region where hair-cell stereocilia are free-standing in scala media (free-standing fibers).
  • (10) Histologically, no discernible changes in the hair cells or sensory hairs were found with a scanning electron microscope at about 6 hours after 10 krad irradiation, while with a transmission electron microscope, the outer hair cells in the basal coil of the cochlea were found to be mostly destroyed.
  • (11) A combined morphological and physiological study on the effect of saccus obliteration on the cochlea and the vestibular labyrinth of the rat is presented.
  • (12) It is suggested that in a programme designed to implant such children at 2 years of age, techniques should be chosen that neither damage the cochlea nor the middle ear sound conducting mechanism.
  • (13) Blood flow in the cochlea, vestibular apparatus and facial nerve was investigated in the 12 temporal bones of 6 guinea pigs using non-radioactive microspheres.
  • (14) The total length in mm of each cochlea was also measured (Length).
  • (15) We have made whole-cell, tight-seal recordings from short (outer) hair cells isolated from the chick's cochlea.
  • (16) Morphological evidence suggests that the membrane participates in: (a) the release of mechanical energy supplied by the ossicular chain to the labyrinthine fluids; (b) an alternative route for sound energy to enter the cochlea; (c) secretion into and absorption from perilymph; and (d) the defense system of the middle and inner ears.
  • (17) Human cochleae were fixed in glutaraldehyde, without the use of osmium.
  • (18) The findings are discussed in relation to changes in nerve conduction speed and hearing loss; a possible correlation between the fiber diameter distribution and the tonotopical arrangement of the cochlea is suggested.
  • (19) Histological examination of the cochleas of monkeys with permanent hearing losses revealed corresponding damage to the high-frequency region of the organ of Corti.
  • (20) The endo- and perilymphatic glycocalyx of the cochlear epithelia were investigated ultrastructurally in normal and hydropic cochleas using the electron-dense markers cationized ferritin and colloidal thorium.

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.

Words possibly related to "cochlea"

Words possibly related to "ear"