secondary tympanic membrane

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sec·on·dar·y tym·pan·ic mem·brane

the membrane closing the round window (fenestra cochleae).

sec·on·dar·y tym·pan·ic mem·brane

(sek'ŏn-dar-ē tim-pan'ik mem'brān) [TA]
The membrane closing the fenestra cochleae or rotunda.
Synonym(s): membrana tympani secundaria [TA] , round window membrane.


Antonio, Italian anatomist, orthopedist, and ophthalmologist, 1747-1832.
canals of Scarpa - separate canals for the nasopalatine nerves and vessels.
fossa scarpae major - Synonym(s): femoral triangle
Scarpa fascia - the deeper membranous or lamellar part of the subcutaneous tissue of the lower abdominal wall. Synonym(s): membranous layer of superficial fascia
Scarpa fluid - the fluid contained within the membranous labyrinth of the inner ear. Synonym(s): endolymph
Scarpa foramina - two openings in the line of the intermaxillary suture that transmit the nasopalatine nerve.
Scarpa ganglion - a collection of bipolar nerve cell bodies forming a swelling on the vestibular part of the eighth nerve in the internal acoustic meatus. Synonym(s): vestibular ganglion
Scarpa habenula - Synonym(s): Haller habenula
Scarpa hiatus - a semilunar opening at the apex of the cochlea through which the scala vestibuli and the scala tympani of the cochlea communicate with one another. Synonym(s): helicotrema
Scarpa liquor - the fluid contained within the membranous labyrinth of the inner ear. Synonym(s): endolymph
Scarpa membrane - closes the fenestra cochleae or rotunda. Synonym(s): secondary tympanic membrane
Scarpa method - cure of an aneurysm by ligation of the artery at some distance above the sac.
Scarpa sheath - one of the coverings of the spermatic cord, formed of delicate connective tissue and of muscular fibers derived from the internal oblique muscle. Synonym(s): cremasteric fascia
Scarpa staphyloma - bulging near the posterior pole of the eyeball due to degenerative changes in severe myopia. Synonym(s): posterior staphyloma
Scarpa triangle - branches of the femoral nerve are distributed within the femoral triangle. Synonym(s): femoral triangle; fossa scarpae major
References in periodicals archive ?
Another advantage of the human anatomy is that false membranes and fibrous or fatty plugs are common in the round window niche, and these membranes and plugs can help protect the round window membrane from contact with fluids in the middle ear space.
The previously harvested tragal cartilage disc was trimmed to fit and then placed against the round window membrane (figure 4, A).
Also, the human round window membrane is thicker than that of lower-order animals (70 [micro]m for humans vs.
Traumatic lesions of the round window membrane and perilymph fistula.
An accumulation of pus or mucus can act as a barrier to absorption into the inner ear, as can mucosal webs around the round window membrane.
These methods include transtympanic injections, application of gentamicin and Gelfoam to the round window membrane, continuous perfusion through the Round Window Microcatheter (Durect Corp.
12) Also, the literature appears to indicate that dexamethasone is less irritating to the round window membrane in the middle ear than is hydrocortisone.
1 mg/ml of ciprofloxacin to the round window membrane (RWM) of 16 chinchilla ears for a mean of 75 minutes.
7,8) Factors that influence the passage of medication across the round window membrane include mechanical obstruction in the middle ear, the integrity of the round window membrane, the degree of inflammation in the round window membrane, and the molecular weight, concentration, liposolubility, and electrical charge associated with specific medications.
However, a major problem could arise when a patient has a defect in a tympanic membrane--for example, a ventilation tube or a perforation--that might allow these drops to be absorbed into the inner ear via the round window membrane.
Some scientific evidence and a moderate amount of clinical and anecdotal evidence support the use of steroids applied directly to the middle ear cavity and round window membrane for the management of hearing loss, aural fullness, and perhaps tinnitus in selected patients.