Situated above, or on the dorsal side of, the body of the sphenoid bone.
Of or pertaining to thesphenoid bone and the orbit, or to the orbitosphenoid bone.
It generally forms a part of the sphenoid in the adult.
Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoid bone (i.
It is usually a separate bone in the young or fetus, but becomes a part of the sphenoid in the adult.
Near the sphenoid bone; -- applied especially to a bone situated immediately beneath the sphenoidin the base of the skull in many animals.
Situated under, or on the ventral side of, the body of the sphenoid bone.
A depression in the sphenoid bone; the pituitary fossa.
Of or pertaining to the posterior part of the sphenoid bone.
Of, pertaining to, or in the region of, the pterygoid bones, pterygoid processes, or the whole sphenoid bone.
Between the ex-occipital and ali-sphenoid there is wedged in a bone, the periotic (p.
The sphenoid bone is in front of the occipital, forming a part of the base of the skull.
The temporal bones, forming the temples on either side, are attached to the sphenoid bone in front, the parietals above, and the occipital behind.
They are bounded anteriorly by the frontal bone, posteriorly by the occipital, and laterally by the temporal and sphenoid bones.
Good examples of synchondroses are the epiphysial lines which separate the epiphyses from the shafts of developing long bones, or the occipito-sphenoid synchondrosis in the base of the skull.
One of these is a schindylesis, in which a thin plate of one bone is received into a slot in another, as in the joint between the sphenoid and vomer.
It is less important in the Sauropsida, and becomes indistinguishably fused with the sphenoid in the adult, while in Mammalia it is no longer found.
Thus in one instance it may extend far out into the wing of the sphenoid, while in another it may be even smaller than a posterior ethmoidal cell invading the body of the sphenoid bone and lying above it.
The radical operation on the frontal sinus should not be embarked on until the ethmoid and sphenoid have been attended to.
It is very suitable for necrosis--generally syphilitic--of the sphenoid when threatening the base of the brain.
When the necrosed bone has been mobilized it may be too large for extraction through the nares; such a mass as the greater part of the body of the sphenoid has sometimes necrosed en bloc.
What are the different foramina of the sphenoid bone, and what structures pass through them?
Crystals are usually tetrahedral in aspect, owing to the large development of the sphenoid P {111}.
The faces of this form are dull and striated, whilst the smaller faces of the complementary sphenoid P' {111} (fig.
Between 4 and 6 a part of the sphenoidor wedge-shaped bone, is seen.
The second division is situated in the angle formed by the sphenoid and maxillary bone, or just below the ear.
Tapeisocephaly (low head) is due to synostosis of the great wings of the sphenoid with the frontal.
Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoidbone (i.
The sphenoid or bat-wing bone appears in the temples by its wing, between the frontal and temporal, while in the centre of the base its solid body is between the frontal and occipital.
The sphenoid bone as it extends up touches the base of the front lobe and of the Ideal region, where it assumes the name of Somnolence.
The sphenoid bone is situated at the anterior part of the base of the skull articulating with all the other cranial bones.
The bones that extend backward to the sphenoid are not easily identified.
A slender bone extends from the base of the brain case, named the basi-sphenoid bone, outward and forward to the inner margin of the quadrate bone (Fig.
The main body of the sphenoid is at the base of the cranium.
At the age of seven the occipital is definitely solidified into a single bone and between the years of fifteen and twenty the body of the sphenoid also becomes welded to the occiput.
Defn: Near the sphenoid bone; -- applied especially to a bone situated immediately beneath the sphenoid in the base of the skull in many animals.
Defn: Hooked; hooklike; hamate; as, the hamular process of the sphenoid bone.
Defn: Of or pertaining to the sphenoid bone and the orbit, or to the orbitosphenoid bone.
Defn: Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoid bone (i.
Defn: Situated under, or on the ventral side of, the body of the sphenoid bone.
Defn: A combining form used in anatomy to indicate connection with, or relation to, the sphenoid bone; as in sphenomaxillary, sphenopalatine.
Defn: Situated above, or on the dorsal side of, the body of the sphenoid bone.
Defn: Of or pertaining to the posterior part of the sphenoid bone.
Thus, he notices the quadrilateral shape of the parietal bones; he distinguishes the squamous, the styloid, the mastoid and the petrous portions of the temporal bones; and he remarks the peculiar situation and shape of the sphenoid bone.
Besides the first good description of the sphenoid bone, he showed that the sternum consists of three portions and the sacrum of five or six; and described accurately the vestibule in the interior of the temporal bone.
When compound, there may be bleeding from the pharynx or nose from tearing of the periosteum and mucous membrane related to the basi-sphenoid and ethmoid respectively.
Applied to a protuberance of the base of the sphenoid bone.
Of or pertaining to that part of the base of the cranium between the basioccipital and the presphenoid, which usually ossifies separately in the embryo or in the young, and becomes a part of the sphenoid in the adult.
A slight depression situated between and dorsal to the sphenoid condyles is supposedly for the attachment of the intercranial ligament (Schaeffer and Gregory, 1961:fig.
The alisphenoids extend upward, anterodorsally from the region above the sphenoid condyles, and may connect to ridges on the ventral surface of the frontals.
The sphenoid condyles, seen in posterior view, issue from the dorsal margin of the notochordal socket.
We shall find, when examining the skull, that the coronal suture falls on the temporal instead of the sphenoid bone, which is one of the strongest marks of the simiae, and does not occur in other human skulls.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "sphenoid" in a variety of sentences. We hope that you will now be able to make sentences using this word.
