How To Use Ethmoid In A Sentence
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Immediately above this is a well-marked horizontal ridge, the conchal crest, for articulation with the inferior nasal concha; still higher is a second broad, shallow depression, which forms part of the middle meatus, and is limited above by a horizontal crest less prominent than the inferior, the ethmoidal crest, for articulation with the middle nasal concha.
II. Osteology. 5b. 5. The Palatine Bone
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Again, a line drawn through the axis of the face, between the bones called ethmoid and vomer — the “basifacial axis” (‘f e’.) forms an exceedingly obtuse angle, where, when produced, it cuts the ‘basicranial axis.’
Essays
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He completely exenterates the ethmoid labyrinth.
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The ethmoid sinuses which are right along the side of your nose and the maxillary sinuses in your cheek.
CNN Transcript Mar 20, 2007
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Its accuracy, however, is questionable in suspected ethmoid, frontal, or sphenoid involvement.
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Olfactory nerve fibers enter the cranial cavity through foramina in the cribriform plate of the ethmoid bone and synapse on neurons in the olfactory bulb.
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Although squamous cell carcinoma is the most common paranasal tumour, adenocarcinoma is the most common ethmoidal sinus tumour.
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In mammals, the ethmoid ossifies to form the turbinals, convoluted bones in the nasal cavity that are covered by olfactory sense organs.
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The median part of the ethmoidal plate forms the bony and cartilaginous parts of the nasal septum.
II. Osteology. 1. Development of the Skeleton
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Again, a line drawn through the axis of the face, between the bones called ethmoid and vomer -- the "basifacial axis" ( 'f
Lectures and Essays
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In some cases the air cell opens on this surface of the bone and then communicates with the posterior ethmoidal cells.
II. Osteology. 5b. 5. The Palatine Bone
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The falx is narrow and attached firmly to the crista galli of the ethmoid bone.
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Interested not in the least by what occurs when a crushed ethmoidal sinus under the eye severs the olfactory nerve, Table 26 received a clinical lesson on the matter anyway.
Body of Knowledge
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However, to access the maxillary, ethmoid and frontal sinus, the sheep's middle turbinate needs to be removed.
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Due to the paucity of cases reported in the literature, treatment of ethmoidal adenocarcinoma with orbital compression is best discussed by referring to other paranasal tumours that invade the orbit.
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Branches of the nasal nerve have been described passing to the frontal, ethmoidal, and sphenoidal sinuses.
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Below the bulla ethmoidalis, and partly hidden by the inferior end of the uncinate process, is the ostium maxillare, or opening from the maxillary sinus; in a frontal section this opening is seen to be placed near the roof of the sinus.
X. The Organs of the Senses and the Common Integument. 1b. The Organ of Smell
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The two frontal sinuses are just above the eyebrows, the two maxillary sinuses by the cheekbones and the two ethmoidal sinuses are between the nasal cavity and the eye sockets, and drain into the middle of the nose.
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Farther back in the middle line is the ethmoidal spine, bounded behind by a slight elevation separating two shallow longitudinal grooves which support the olfactory lobes.
II. Osteology. 5d. The Interior of the Skull
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Mucocoeles of the ethmoid and frontal sinuses commonly present with symptoms and signs caused by displacement of adjacent structures caused by a process of slow expansion.
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In 1998, the tumor recurred with involvement of the nasal cavity and sphenoid and ethmoid sinuses.
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Through the hiatus semilunaris the meatus communicates with a curved passage termed the infundibulum, which communicates in front with the anterior ethmoidal cells and in rather more than fifty per cent. of skulls is continued upward as the frontonasal duct into the frontal air-sinus; when this continuity fails, the frontonasal duct opens directly into the anterior part of the meatus.
II. Osteology. 5d. The Interior of the Skull
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In the articulated skull this aperture is much reduced in size by the following bones: the uncinate process of the ethmoid above, the ethmoidal process of the inferior nasal concha below, the vertical part of the palatine behind, and a small part of the lacrimal above and in front (Figs. 158, 159); the sinus communicates with the middle meatus of the nose, generally by two small apertures left between the above-mentioned bones.
II. Osteology. 5b. 2. The Maxillæ (Upper Jaw)
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The two frontal sinuses are just above the eyebrows, the two maxillary sinuses by the cheekbones and the two ethmoidal sinuses are between the nasal cavity and the eye sockets, and drain into the middle of the nose.
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In front of the otic capsule is the paired pro-otic bone (p.o.); behind it at the sides of the parachordal ring is the paired ex-occipital (e.o.); in front of the cranium box, and behind the nasal capsules, is a ring of bone, the (median, but originally paired) sphenethmoid (s.e.).
Text Book of Biology, Part 1: Vertebrata
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The mass was centred in the anterior ethmoidal air cell and extended to the lateral margin of the right frontal sinus.
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The trabeculæ cranii (Fig. 69) are two curved bars of cartilage which embrace the hypophysis cerebri; their posterior ends soon unite with the basilar plate, while their anterior ends join to form the ethmoidal plate, which extends forward between the fore-brain and the olfactory pits.
II. Osteology. 1. Development of the Skeleton
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But then that one intern remembered something about a rare condition caused by pressure on the anterior ethmoid nerve in the nose.
Chocolate & Vicodin
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Ethmoid and frontal sinus mucocoeles present commonly with symptoms and signs caused by displacement of adjacent structures.
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In the cribriform plate of the ethmoid are the foramina for the olfactory nerves, and on the posterior part of the roof is the opening into the sphenoidal sinus.
II. Osteology. 5d. The Interior of the Skull
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Fleshy bundles may pass from the front and upper part of the planum of the ethmoid bone across the orbit to the levator.
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The hiatus semilunaris is bounded inferiorly by the sharp concave margin of the uncinate process of the ethmoid bone, and leads into a curved channel, the infundibulum, bounded above by the bulla ethmoidalis and below by the lateral surface of the uncinate process of the ethmoid.
X. The Organs of the Senses and the Common Integument. 1b. The Organ of Smell
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Can I check his zygomatic, ethmoidal, and nasal bones?
Roger I. Abrams: CSI - Clemens
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The smaller ethmoid sinuses are behind the bridge of the nose, between the eyes.
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Branches of the nasal nerve have been described passing to the frontal, ethmoidal, and sphenoidal sinuses.
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The warm sunlight gave him a lazy, comfortable, lie-around-all-morning-and-scratch-your-armpits feeling, but inside his nose the cilia were waving, the turbinates were knocking, and the spheno-ethmoidal recess was on red alert: by Woden's honey pots, what a scent!
La insistencia de Jürgen Fauth
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The rostral is low and ovoid, with a notch at its lateral edges for the passage of the ethmoid commissure and for articulation with the antorbitals.
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The anterior forms the ethmoidal labyrinth and the lateral and alar cartilages of the nose; the middle gives rise to the small wing of the sphenoid, while from the posterior the great wing and lateral pterygoid plate of the sphenoid are developed (Figs. 70, 71).
II. Osteology. 1. Development of the Skeleton
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On each side of the groove the dura is rough, because of its attachment to the cribriform plate of the ethmoid bone and because it is pierced by numerous olfactory nerve bundles.
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Behind the ethmoid spine is a smooth surface slightly raised in the midline, and grooved on either side for the olfactory lobes of the brain.
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Its medial surface forms part of the lateral wall of the nasal cavity; at its upper part is a rough, uneven area, which articulates with the ethmoid, closing in the anterior ethmoidal cells; below this is an oblique ridge, the ethmoidal crest, the posterior end of which articulates with the middle nasal concha, while the anterior part is termed the agger nasi; the crest forms the upper limit of the atrium of the middle meatus.
II. Osteology. 5b. 2. The Maxillæ (Upper Jaw)
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At least 1 percent of persons in the population have symptomatic nasal polyps and up to 42 percent may have asymptomatic polyps on careful examination of the middle meatus, middle turbinate and ethmoids.
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The frontal, maxillary and most of the ethmoid sinuses drain into this small channel.
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Maxillary and ethmoidal sinuses were normal.
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On each side of the groove the dura is rough, because of its attachment to the cribriform plate of the ethmoid bone and because it is pierced by numerous olfactory nerve bundles.
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The middle ethmoidal cells open into the central part of this meatus, and a sinuous passage, termed the infundibulum, extends upward and forward through the labyrinth and communicates with the anterior ethmoidal cells, and in about 50 per cent. of skulls is continued upward as the frontonasal duct into the frontal sinus.
II. Osteology. 5a. 6. Ethmoid bone
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Those in the anterior fossa are the anterior meningeal branches of the anterior and posterior ethmoidal and internal carotid, and a branch from the middle meningeal.
IX. Neurology. 4g. The Meninges of the Brain and Medulla Spinalis
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The ethmoid ends in the ethmo-turbinal (e.t.); the nasal, the naso-turbinal
Text Book of Biology, Part 1: Vertebrata
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Below the bulla ethmoidalis and hidden by the uncinate process of the ethmoid is the opening of the maxillary sinus (ostium maxillare); an accessory opening is frequently present above the posterior part of the inferior nasal concha.
II. Osteology. 5d. The Interior of the Skull
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A magnetic resonance image demonstrated sinusitis involving mainly the right maxillary, ethmoid, and frontal sinuses.
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Again, a line drawn through the axis of the face, between the bones called ethmoid and vomer — the “basifacial axis” (‘f e’.) forms an exceedingly obtuse angle, where, when produced, it cuts the ‘basicranial axis.’
Essays
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“Humans possess a tiny, shiny crystal of magnetite in the ethmoid bone, located between your eyes, just behind the nose.”
Think Progress » Former President Bush Blames ‘Bloggers’ for ‘Ugly’ Political Climate
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Below the frontonasal suture is the bridge of the nose, convex from side to side, concavo-convex from above downward, and formed by the two nasal bones supported in the middle line by the perpendicular plate of the ethmoid, and laterally by the frontal processes of the maxillæ which are prolonged upward between the nasal and lacrimal bones and form the lower and medial part of the circumference of each orbit.
II. Osteology. 5c. The Exterior of the Skull
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The maxillary sinus is most commonly involved; however, most patients with radiologic maxillary sinusitis have abnormalities of the ethmoid and sphenoid sinuses.
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The floor of the anterior fossa is formed by the orbital plates of the frontal, the cribriform plate of the ethmoid, and the small wings and front part of the body of the sphenoid; it is limited behind by the posterior borders of the small wings of the sphenoid and by the anterior margin of the chiasmatic groove.
II. Osteology. 5d. The Interior of the Skull
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Near the front of the brain, in the midline, a deep sagittal groove in the dura indicates the site where the crista galli of the ethmoid bone is accommodated.
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Occasionally bleeding occurs from one of the anterior ethmoidal veins, and under these circumstances the blood flows downwards between the middle turbinal and the septum.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.
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Near the front of the brain, in the midline, a deep sagittal groove in the dura indicates the site where the crista galli of the ethmoid bone is accommodated.
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Olfactory nerve fibers enter the cranial cavity through foramina in the cribriform plate of the ethmoid bone and synapse on neurons in the olfactory bulb.
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They form a plexiform net-work in the mucous membrane, and are then collected into about twenty branches, which pierce the cribriform plate of the ethmoid bone in two groups, a lateral and a medial group, and end in the glomeruli of the olfactory bulb (Fig. 772).
IX. Neurology. 5a. The Olfactory Nerves
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The rich vascular supply of the nose originates from the ethmoid branches of the internal carotid arteries and the facial and internal maxillary divisions of the external carotid arteries.
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A curved lamina, the uncinate process, projects downward and backward from this part of the labyrinth; it forms a small part of the medial wall of the maxillary sinus, and articulates with the ethmoidal process of the inferior nasal concha.
II. Osteology. 5a. 6. Ethmoid bone
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Behind this process a broad, thin plate, the ethmoidal process, ascends to join the uncinate process of the ethmoid; from its lower border a thin lamina, the maxillary process, curves downward and lateralward; it articulates with the maxilla and forms a part of the medial wall of the maxillary sinus.
II. Osteology. 5b. 6. The Inferior Nasal Concha