auditory tube

tube (toob) a hollow cylindrical organ or instrument.

---

auditory tube  eustachian tube; the narrow channel connecting the middle ear and the nasopharynx.

drainage tube  a tube used in surgery to facilitate escape of fluids.

Durham's tube  a jointed tracheotomy tube.

endobronchial tube  a double-lumen tube inserted into the bronchus of one lung to deflate the other lung for anesthesia or thoracic surgery.

endotracheal tube  an airway catheter inserted in the trachea in endotracheal intubation.

esophageal tube  stomach t.

eustachian tube  auditory t.

fallopian tube  uterine t.

feeding tube  one for introducing high-caloric fluids into the stomach.

Miller-Abbott tube  a double-channel intestinal tube with an inflatable balloon at its distal end, for use in treatment of obstruction of the small intestine, and occasionally as a diagnostic aid.

nasogastric tube  a soft tube to be inserted through a nostril and into the stomach, for instilling liquids or other substances, or for withdrawing gastric contents.

nasotracheal tube  an endotracheal tube that passes through the nose.

neural tube  the epithelial tube developed from the neural plate and forming the central nervous system of the embryo.

orotracheal tube  an endotracheal tube that passes through the mouth.

Orotracheal tube.

otopharyngeal tube , pharyngotympanic tube auditory t.

Sengstaken-Blakemore tube  a multilumen tube used for tamponade of bleeding esophageal varices.

Sengstaken-Blakemore tube for esophagogastric tamponade.

stomach tube  a tube for feeding or for stomach irrigation; the most common kind is the nasogastric tube.

test tube  a tube of thin glass, closed at one end; used in chemical tests and other laboratory procedures.

tracheal tube  endotracheal t.

tracheostomy tube  a curved endotracheal tube that is inserted into the trachea through a tracheostomy.

uterine tube  fallopian tube; a slender tube extending from the uterus toward the ovary on the same side, for passage of oocytes to the cavity of the uterus and the usual site of fertilization.

Uterine, or fallopian, tube.

Wangensteen tube  a small nasogastric tube connected with a special suction apparatus to maintain gastric and duodenal decompression.

x-ray tube  a vacuum tube used for the production of x-rays; when a suitable current is applied, high-speed electrons travel from the cathode to the anode, where they are suddenly arrested, giving rise to x-rays.

Standard stationary anode x-ray tube; diagram in longitudinal section.

---

auditory tube

n.

See eustachian tube.

---

auditory tube.

See eustachian tube.

---

auditory

pertaining to the ear or the sense of hearing.

---

auditory apparatus

comprises the tympanic membrane, the auditory ossicles that connect the membrane to the oval window to the internal ear, the membranous labyrinth and its contained endolymph, the labyrinth's cochlear duct, the organ of Corti, a specialized sensory epithelium lining the duct, the sensory hair cells of the organ of Corti and the sensory receptors of the auditory nerve that terminate at the base of the hair cells.

auditory bulb

the membranous labyrinth and cochlea.

auditory conditioning signals

sounds used to condition animals to certain procedures or events, such as gathering at the sound of a bell or trumpet, milking to the sound of a radio, whistle signals to a sheep dog.

external auditory meatus

air-filled tubular extension of the auricle leading to the eardrum.

internal auditory meatus

a canal in the petrous temporal bone that accommodates the VIIth and VIIIth cranial nerves.

auditory nerve

the eighth cranial nerve; called also vestibulocochlear nerve and acoustic nerve. See Table 14.

auditory ossicles

the malleus, incus and stapes, the three small bones of the tympanic cavity of the ear. They form a connecting bony system from the tympanic membrane to the oval window that is the opening to the internal ear.

auditory tube

the narrow channel connecting the nasopharynx to the middle ear. See also pharyngotympanic tube.