The anterior wall of the sphenoidal sinus can be opened with safety.
The sphenoidal orifice should be enlarged if that cavity be diseased, and the frontal sinus, if suppurating, should be operated on before the maxillary.
The front wall of the sinus has been broken through, and the beak of the forceps is now shown inside the sphenoidal cavity.
It is generally necessary, in any case, to clear it away to gain access to the sphenoidal orifice.
Thus, if the infection spreads upwards through the attic and tegmen tympani, it may lead to extra-dural abscess or to meningitis of the middle fossa, or to a temporo-sphenoidal abscess.
The beak of a punch-forceps is seen in a posterior ethmoidal cell (which has been opened) and pressing against the anterior wall of the sphenoidal cavity.
It is perhaps more common for reinfection from the sphenoidal sinus to be overlooked.
The sphenoidalsinus should be catheterized, and, if infected, the orifice will require enlarging and the cavity treating.
Defn: Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal.
Defn: Situated above the sphenoidal bone; as, the suprasphenoidal appendage, or pituitary body.
Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal.
If, on the other hand, the pus is detected in the olfactory sulcus, attention must be directed to the posterior ethmoidal cells and sphenoidal sinus (Fig.
One or more of the branches of this nerve may be compressed by extravasated blood, or be contused and lacerated in fractures implicating the region of the sphenoidal fissure.
Pus in the olfactory sulcus, on the upper surface of the middle turbinal posteriorly, and on the vault of the naso-pharynx, is suggestive of sphenoidal suppuration.
The operation for draining the sphenoidal sinus is extended by removing the inner wall of the posterior ethmoidal cells.
The nasal appearances just noted are present, and if the sphenoidal sinus can be washed out and its ostium temporarily plugged, and pus rapidly reappears, its origin from these cells is probable.
The ophthalmic nerve passes from the cranial cavity through the sphenoidal fissure.
The third, the ophthalmic branch of the fifth and the sixth nerve pass from the brain through the sphenoidal fissure to the eye.
In the skull the occipital region is always completely ossified, while the sphenoidal region is generally less ossified.
There are considerable ossifications in the sphenoidal region of the side of the cranium.
The optic foramen and sphenoidal fissure are confluent.
A), which completely shuts off the true sphenoidal floor of the skull, and causes the posterior nares which are bounded by the pterygoids to open very far back.
The foramen rotundum is confluent with the sphenoidal fissure, and the foramen ovale with the foramen lacerum medium and the foramen lacerum posterius.
Lateral ethmoids are developed, and there are ossifications in the sphenoidal region which vary in different forms.
The lateral parts of the sphenoidal region are also as a rule not well ossified.
Both cartilage and membrane bones take part in the formation of the skull, and a considerable amount of cartilage remains unossified, especially in the ethmoidal and sphenoidal regions.
In some species a large maxillary sinus projects into the anterior part of the orbit; in some also the foramen rotundum does not coalesce with the sphenoidalfissure (see page 11), but has a distinct opening.
The auditory speech centre is situated in the posterior part of the first and second temporo-sphenoidal convolutions on the left side of the brain.
The ventral part of the orbit, containing the sphenopalatine foramen, presphenoid foramen, and the sphenoidal fissure, is not constricted as in Liomys, but is open like that of the squirrels.
Anteroventrally the sphenoidal fissure is bounded by the orbitosphenoid bone, and dorsolaterally by the alisphenoid bone.
The presphenoid canal between the orbits is large, and the entrance at each end is well separated from the sphenoidal fissure.
Damage to the sphenoidal fissure, which occurred prior to preservation, obscures its relationship to the optic foramen.
The origin is fleshy from the junction of the sphenoidal rostrum and the interorbital septum.
Orbital surface of the left frontal lobe and the island of Reil; the tip of the temporo-sphenoidal lobe has been removed to display the latter.
The Temporo-Sphenoidal Lobe presents on the outer surface of the hemisphere three convolutions, arranged in parallel tiers from above downward, and named superior, middle and inferior temporal gyri.
Below it lies the temporo-sphenoidal lobe, and above and in front of it, the parietal and frontal lobes.
Welker, in his curious studies of the sphenoidalangle of Virchow, arrived at a similar result.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "sphenoidal" in a variety of sentences. We hope that you will now be able to make sentences using this word.
