The ultimate hearing depends on the condition of the stapes within the fenestra ovalis: if it remains freely movable, the hearing power may be extremely good.
Projection forward of the upper posterior part of the tympanic ring or a deeply placed niche of the fenestra ovalis may prevent a view of the stapes.
The same result should be obtained after the complete mastoid operation, provided there be no internal-ear deafness and provided the stapes be not already ankylosed within the fenestra ovalis.
The growth is pressed into the fenestra of the instrument in the a' position, and when the sweeping movement has brought it to d', it is detached and caught in the cage.
Care must be taken not to injure the surface of the promontory, or the region of the fenestra ovalis and fenestra rotunda.
If only the crura be broken off, it does not matter; but if the stapes itself be dislodged from the fenestra ovalis, the subsequent symptoms may be attacks of vertigo, nausea, and vomiting.
The bone is removed by attacking the lower limit of the fenestra ovalis, and working downwards until the fenestra rotunda is reached.
In cases in which mobilization of the malleus has caused no improvement, and it is hoped, from the history of the case, that this is due to fibrous adhesions fixing the stapes within the fenestra ovalis.
Care must be taken not to work above the region of the fenestra ovalis or the facial nerve will probably be injured.
The bridge of bone between the fenestra ovalis and fenestra rotunda is then cut through by light taps on a very fine gouge.
The fenestra postotica on skulls of ferox and especially muticus is not normally restricted by an opisthotic-exoccipital spur.
Details of these are given by Holles as follows:— In fenestra Insulæ Borealis.
The vestibule communicates with the chain of bones of the middle ear by means of a small opening, called the "oval window," or fenestra ovalis.
The remaining border of the orbital fenestra on the anterior and medial sides is formed by a bone occupying the position of palatine and vomer; for convenience we designate this as palatine.
The medial border of the orbital fenestrais missing, but apparently consisted of the pterygoid for at least the posterior half.
Hurst's view is that with each movement of the stapes a wave is generated which travels up the scala vestibuli, through the helicotrema into the scala tympani and down the latter to the fenestra rotunda.
Fenestra ovalis and fenestra rotunda, the oval and the round window; two apertures in the bone between the tympanic cavity and the labyrinth of the ear.
The origin is semitendinous along a line on the ischium, from a point dorsal to the middle of the ischiopubic fenestra to the posterior end of the ischium, and from a small area of the abdominal musculature posterior to the ischium.
The origin, furthermore, is along the dorsal edge of the ischiopubic fenestra and not from the membrane covering the fenestra.
This part has a round cavity called fenestra rotunda, which is covered with a thin elastic membrane, and looks into the tympanum.
The stapes, or stirrup, has its end of an oval shape, which fits a small hole called fenestra ovalis, in that part of the ear called the labyrinth, or innermost chamber of the ear.
The word fenestrais illustrated by a previous section of the Rule, No.
The upper of the two, or fenestra ovalis, contains the base of a bone, known in the Sauropsida and Amphibia as the columella.
The fenestra ovalis is in immediate contiguity with the walls of the utricle, while the fenestra rotunda adjoins the scala tympani.
The prooetic encloses between it and the lateral occipital the fenestra ovalis, into which fits the columella of the ear.
The dorsal or hyomandibular portion of this same arch is transformed into the auditory chain, ending in the fenestra ovalis.
Orme and Lowder the greatest breadth is near the lock: upon the whole, an oval shaped fenestra is the best, for it can be easily introduced, and has the advantages of a wide blade.
The pro-otic lies in front of the exoccipital and together with the opisthotic forms the hind border of the fenestra ovalis.
The three bones together surround the essential organ of hearing which communicates laterally with the deep tympanic cavity by the =fenestra ovalis=.
The dorsal parts of the hyoid arch in the adult form a pair of long bars, the anterior cornua, which are united to the periotic region of the skull in front of the fenestra ovalis either by short ligaments or by fusion as in Bufo.
During life the fenestra ovalis lodges the proximal end of the =columellar= chain.
This forms a minute rod of bone, one end of which is expanded and fits into thefenestra ovalis, while the other end, terminated by a triradiate piece of cartilage, is attached to the tympanic membrane.
There are in mammals four auditory ossicles forming a chain extending from the fenestra ovalis to the tympanic membrane.
Yes, I don't dare go any closer for fear Fenestra will see me.
Fenestra rattled the handle several times, and threw his body against the panel once or twice.
Another thing, why should Fenestra decide to have his octopus tattoo removed?
When Fenestra came here a year or so ago he didn't appear to have anything.
Peter Fenestracommanded again as the girls stared at him in blank astonishment.
Starting tomorrow morning, you're to work for Peter Fenestra instead of us.
Why, it does resemble one I've seen Fenestra use," declared the housekeeper.
Penny barely had time to step behind a large maple before Peter Fenestra came down the path.
Fenestra may be able to tell us interesting facts which will throw light on the mystery.
I tell you, Peter Fenestra is a very cautious man.
Munn and his companion marched Peter Fenestra from the cave.
Evidently Fenestra had stolen to the door and was patiently waiting for her to emerge.
It is in communication with the middle ear through a small opening in the bone, called the fenestra ovalis, at which place it is separated from the middle ear only by a thin membrane.
A small opening in the bone at this place is called the fenestra rotunda.
The two branches of the stapes are anterior and posterior, while the footplate fits into the fenestra ovalis and is bound to it by a membrane.
The inner wall shows a promontory caused by the cochlea and grooved by the tympanic plexus of nerves; above and behind it is the fenestra ovalis, while below and behind the fenestra rotunda is seen, closed by a membrane.
The vestibule lies just internal to the posterior part of the tympanum, and there would be a communication between the two, through the fenestra ovalis, were it not that the footplate of the stapes blocks the way.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "fenestra" in a variety of sentences. We hope that you will now be able to make sentences using this word.
