Basic bone, wedge bone, sphenoid
Skull base, middle section, in front of etmoid'le frontal'in oecipital'in temporal'le behind the bone, with a single view of the front wings open like a bat. This is one medium piece of bone, body (corpus), the two sides and a bottom, there are three double overhang. We are here, respectively: 1) body (corpus), 2) small wings, 3) big wings, 4) will review the wingless overhang.
1) sphenoid body, irregular, and the cubic body has six face.
The upper face, transverse to the groove in the middle of this side is called the sulcus opticus that the end of this sülcus'un on both sides, with stretches optic canal fasciculi. This groove upper face of the object is allocated to two, the front of the cross section is flat and rectangular in the form of name sphenoideum is my plan, this flat area extends yanlan small wings, called the planum sphenoideus linibus aside from the sulcus.
The upper part of the face behind the groove shows that if the form of a cup in the pituitary fossa hypophiseos or the Turks settled in this pit called Saddle. Sulcus opticus transverse ridge behind the front of this pit is called tubercle sella. The two sides of the small ledge in the middle tubercle transverse process of the sphenoid or sella medius is called overhang. Sınırlatan has a rear overhang of the upper turcica'yı sella. Transverse case, the two ends of the ledge or the process of klinoid rear overhangs takes dorsi sella name. The front overhang of the cross name dorsum sella, pituitary hole, even though he helped make the occipital bone in back of the skeleton dates back to clivus'u.
The pituitary fossa with them, front to back and top-down direction, is called the gutter caroiicus sulcus.
Pre-face, nasal cavities, this makes the roof of the rear portion of a top-down:
1) Central line, called spina ethmoidea and ethmoid laminasının transverse joint with the front end of the overhang. Lamina with the same sides of the front end of the sides in a rough section is engaged in joint and extends it with the front edge of the small wings.
2) the middle from top to bottom there is a comb, comb protruding from the rostrum of the lower part is called sphenoideum this crest merges with the back edge of the ethmoid lamina medlana'sının.
3) Rostrum'un holes in them are the sine of the sphenoid.
4) The mass of the sides on the back side of half-cells combined with etmoid'in it is completed the half-cell depressions.
Old face, this face to the back of the nasal cavities of the roof makes it, it is located on the crest is the continuation of rostrum'un down. Wings at the side of the crest on the top of the bottom of the object skeleton vomer enters into vomeris allan.
Rear face, this face, occipital bone, below, are united in the skeleton with pars basialis'i constitute Clivus'u. Here to distinguish between these two bones in the face has kesilişten. With the rear face extends above the dorsum sella.
Side faces; the faces above and below the front and rear wings as the young are born great wings. Side faces of the object lies between the two wings of the cleft and the fissure orbitalis name cerebralis has a wide tip of the içyan.
Small wings, a horizontal position dışyanda two triangular-shaped hill is solid, the base portion of the sphenoid body in front of the two sides are joined kökle. The upper surface of the body in the sphenoid planum roots are thick and extends in front. Rear stem is thinner than the front and sides of the pituitary fossa showed overhang, front klinoid overhang is name. Front and rear, 5 mm between every two roots. in diameter and has a channel length, it passes through the optic nerve canal optic canal is called fasciculi.
Small wing upper surface is flat and kaypaktır the lower side of the upper wall of the orbit is to make the rear part of the hole has opened on the canal fasciculi optici'nin orbit.
The leading edge of the wings is a little rough merges frontalle. And combines with the free edges of the rear projections klinoid içyanda front. Small extends to the tip of the wing tip is thin fissure orbitalis cerebralis'in.
Great wings, sphenoid body in the rear section of the sides, starting from the first back to front, then bottom-up direction, then dışyana içyandan appear. The wings of a bird-like wings of an intracranial kafadışı two sides, there are two sides içyan and dışyan:
Intracranial face; konkavlığı back up and looks at the shows in a cup. Here, a large wing, body side face meets the three hole is aligned front to back:
1) circular, the upper jaw nerve fissure orbitalis cerebralis'in last in this short channel. side just behind the tip.
2) Oval hole, up to an inch behind the Other and a vertical hole in the case, this is a bit dışyamnda nerve and artery from within the lower jaw passes meningica accessoria.
3) Small round hole (foramen spina); Oval 2-3 inches behind the hole and is dışyamnda meningica media passes through the artery.
Each of the three holes that appear when the other two holes are more than occasionally encountered:
1) in front of the hole and içyanında oval hole in the Vesalius.
2) Arnauld içyamnda channel and the back of the oval hole. An anastomotic vein from one of these, a small nerve passes from second.
Kafadışı side, one facing forward and inward in the form of rectangles, the other is top-down and forward and back to front, dışyana and forward-facing direction, then looking down from front to back direction, and shows two different face. The first of these faces alae orbitalis magna facies occurs in the wall of the orbit dışyan help. This rectangular-shaped face to face with the bottom edge of the ledge but this process is the boundary between pterygoideus'la the bottom edge makes the top edge of the fissure orbitalis sphenoma-xillarisin. This is the front edge of the back edge of the face the top edge of the frontal orbitalis'inin facies, with the edges of the back of the zygomatic bone facies orbitalis'i eklemleşir; the back edge of the bottom edge of the fissure orbitalis makes cerebralis'in.
The length of the second face of the so-called transverse crest crested infratemperalis divided into two, the upper part of the fossa to help temperalls'i; sub-section makes the ceiling of the fossa infratemporalisin infratemporalistir facies.
Borders, one of the older wing of the inner edge of the outer side of the two are:
Submarginal i d i look to the front to back, before doing this after the bottom edge of the rim fissurc orbitalis cerebralis'in sfencid body joins with the people since then and there, backwards towards the edge of the skeleton that dışyan lacerum'un foramen, and then combined with the temporal pyramis'i seen.
This is the last piece of the edge inwards from front to back and fits in the groove Eustacfıi pipe.
Dışyan edge, a rear-facing up and the moon is in the form combines with temporalrı skuaması.
Large wing leading edges dışyan and içyan parietalis angulus name by merging taper in the temporal araşma parietalle skeleton enters the merger of these two in the rear edge taper with spina ossis sphenoides name skuama part of taking part piramis get between temporal.
Wing overhang; sphenoid body in the bottom and sides and the top side starting two large wings, combined with the root of this ledge and a channel on each stem there are two; wingless object, combining the tab on the root canal pterygoid Vidin, it combines big canada rotundus root canal on.
The front of these two roots are wingless ledge, which makes the skeleton on the back wall of the fossa pterygo-palatina'mn just now mentioned, are two holes in front of the channel.
Pterygoid under the overhang of the roots shows two lamina: the lamina içyan and dışyan. Dışyan thinner than the lamina. These two wings, above the front edges of the rear-facing opening combined with one another in a pit, they do pterygoidea'yı fossa. Semi-sub-sections of both wings diverged and that the skeleton is constituted notch incisura pterygoidea name process of palate bone piramidalis'i close this angle.
The front of the ledge wingless pterygo-palatina'nın the back wall of the fossa to help the skeleton.
Inner side face, a large portion of this side, the rear portion of the skeleton, like the bottom wall of the nasal cavities dışyan and combines with the back edge of the front section laminasının damakkemiğinin vertical. This is ultimately born of the face and upper body in the bone içyana their way towards the underside of the overhang is name processus vaginalis, although it ended in a free body in the bone with the tip of the lamina between the lower side, in deep groove, sometimes it can become a canal (per canal pharyngicys). Processus vaginalis into the bottom of a groove on the channel sometimes wanting pharyngicus that it is called the canal.
Dışyan face, this facial skeleton to the wall of the fossa infratemporalis'm içyan help.
Rear face; Fossa pterygoidea'nın içyanında the boat in the form of this face and the top and down the length of vakandan scafoides çukurcuğa fossa is called.
Limited to the rear edges of the sides laminalarının pterygoid pterygoid pit. Over and above the rear edge of the medial lamina tube fits in the notch Eustache. This is at the lower end of the edge taper also has a bent in the form of the hook facing upward konkavlığı lıamulus pterigoideus that it is called.
External lamina appears on the back edge of the middle part of the taper-shaped bumps are called spurs Civinini.
3) The latter two side mass hanging with them.
1. Vertical lamina; Kalbursu lamina with two unequal parts, the head space above the section of the ridge crest did not mean the rooster comb is called galli, the other part of the skeleton makes it a part of the inner wall of the nasal cavities so that the actual medlana lamina, or lamina is perpendicularis.
Crista galli, is a triangular hill künttür; base of the lamina with kalbursu birleeşir, convex side faces sideways, front and rear edges is curved from top to bottom.
Medlana lamina, is in the form of thin rectangular side faces olukçuklar drama has passed through the blood vessels and nerves. Front top edge of the skeleton, bone-dating to the nose below the above-fronîalin birledir with spina nasalis'i. The front edge of the nose kıkırdaklarından cartilago septodor-salis'in division (septal) with part of the rear edge of the crest above with spenoidea vomerle below the upper edge of the horizontal part of the combine with the ethmoid.
2. Horizontal laminae. To many holes on the name of the lamina was kalbursu. This is the lamina, the length of the rectangle is in the form of the upper side of crista galli in the middle from front to back and separated from each other in the form of two grooves into the base structure. This is the number of holes on the front to the back kalbursu lamina, although it is more in diameter, unlike the front less. Most of them pass through the olfactory nerve fibers.
Only one of the leading galli'nin near the crest, the other winner of this little hole through the dura mater dışyanmda extension of the latter two also ophtalmicus'ım nerve branch passes through the nose. Makes holes in the ceiling of the lower side of lamina Kalbursu nose.
3. Side masses, the masses are hanging on the edges of the side cross-lamina, the gaps between the nose and eye sockets. These masses can be considered properly in non-cubic. In this case, six hundred
said.
Upper face; İçyanda kalbursu is lying with the lamina in the form of pits on the half-cells, combined with full-frontal cells of the same cell do half the other is behind the front two of the top one percent of the outside to the inside back to front in the form of two grooves, channels, combined with a half ahead of half the channel will see there is frontal canal orbito-ethmoideus'u orbitocranialis canal will bring back, they combine the orbital cavity of the head at the level of its upper surface kalbursu lamina.
Pre-face, this facial skeleton and the upper jaw bone with the frontal part of the up unguis'in insider combine with making sense of prominence. This is half a face full of cells into cells that give rise to cells through the anterior ethmoid.
Old face, this face is very narrow and dışyana looks down, front to the back bone of the upper jaw and palate with making sense of the whole cell protrusion into the orbital bone sokulurlar.
Rear face that is associated with the front side of the body in the sphenoid face here at half-cells thus become a complete cell.
Dışyan face, this face is rectangular, and vertically above are slippery, thin bones that make up this face kaypaklığını flat and slide the os planum or name, such as the lamina papyracea orbi-DATE içyan constitute a large part of the wall.
içyan face, this face is very irregular, bent over a team facing the bone lamellae konveksliği içyana born. Içyana Dışyandan right upper and middle boynuzcuk own name on them are bending the bone lamellae. Both are adjacent to the upper edge of boynuzcuk with sticks even though the other side face of the ethmoid lateral mass are free içyan skeleton found in the wall of the nasal cavities dışyan.
Is smaller than the top and back of the upper concha alttakınden, sometimes a little extra on top of the turbinate turbinate can be found in people.
Between the bones of the face side of the masses Boynuzcuk içyan the ranges are called the upper and middle meatus. Ethmoid cells are opened holes in the faces of Meaların dışyan.
Middle mean the front end of the curved sword in the form top to bottom and front to back is called the extension poccessus uncinatus. Narrowing the mouth of the upper jaw bone of the skeleton, this sine kılıçsı ledge below the upper and lower fin is divided into two; attaki, merges with the lower projection of the ethmoid turbinate, the sine of the hole in the top-to-back on the free tip ends incelerek upper jaw. Shows a ridge behind the face of the ledge Kılıçsı dışyan medium mean that it is called a bulla ethmoidea.
Bulla between the middle meatus, ethmoid cells; bulla processus uncinatus and the separation between the half-moon shaped back and looking up Six feet (semilunaris hiatus), below the front of the ethmoid sinus cells nıaxillaris'in narrowed part of the skeleton with the hole; hiatus at the top semüunaris'in frontalis'i sinus or naso-frontal canal infundlbulum medium meaya combine and the path name that appears on the cone-shaped hole in the ethmoid cells open.
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