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Topic: Foramina of cribriform plate

	Ethmoid bone Info - Bored Net - Boredom (Site not responding. Last check: 2007-11-02)
		On either side of the crista galli, the cribriform plate is narrow and deeply grooved; it supports the olfactory bulb and is perforated by foramina for the passage of the olfactory nerves.
		The foramina in the middle of the groove are small and transmit the nerves to the roof of the nasal cavity; those at the medial and lateral parts of the groove are larger—the former transmit the nerves to the upper part of the nasal septum, the latter those to the superior nasal concha.
		At the front part of the cribriform plate, on either side of the crista galli, is a small fissure which is occupied by a process of dura mater.
	www.borednet.com /e/n/encyclopedia/e/et/ethmoid_bone.html (1389 words)

	II. Osteology. 5a. 6. Ethmoid bone. Gray, Henry. 1918. Anatomy of the Human Body.
		The ethmoid bone is exceedingly light and spongy, and cubical in shape; it is situated at the anterior part of the base of the cranium, between the two orbits, at the roof of the nose, and contributes to each of these cavities.
		plate, on either side of the crista galli, is a small fissure which is occupied by a process of dura mater.
		150, 151) is a thin, flattened lamina, polygonal in form, which descends from the under surface of the cribriform plate, and assists in forming the septum of the nose; it is generally deflected a little to one or other side.
	www.bartleby.com /107/36.html (1277 words)

	[No title]
		Groups of 20 of these axons combine into bundles, fila olfactoria, and pass through foramina in the cribriform plate of the ethmoid bone to enter the olfactory bulb.
		Shearing of the fila olfactoria as they pass through the cribriform foramina, severing their connections with neurons in the olfactory bulb.
		Meningioma in the olfactory groove or cribriform plate b.
	www.utmb.edu /oto/Grand_Rounds_Earlier.dir/Olfactory_Disorders_1993.txt (2918 words)

	Anatomy: Head and Neck
		Cribriform Plate: Transverse plate forming the superior border of the nasal cavity, and containing cribriform foramina through which Olfactory nerves pass.
		The Ethmoid Arteries leave the orbit through anterior posterior ethmoid foramina in the cribriform plate of the ethmoid bone.
		PTERYGOPALATINE FOSSA is medial to the Infratemporal Fossa, in the region of the pterygoid plates.
	www.geocities.com /doctor_uae/head_and_neck.htm (11880 words)

	[No title] (Site not responding. Last check: 2007-11-02)
		Vesalius’ error regarding the function of the lacrimal or tear duct reflects the ancient doctrine that the brain excretes pituita or phlegm, a byproduct of the brain’s manufacture of “animal spirit” or psychic pneuma, on which see chapter 5 n.
		“According to Galen, phlegm was excreted into the nose through the cribriform plate of the ethmoid bone, but, much to the ire of Sylvius, Vesalius declares Galen in error.” — O’Malley 1964, p.
		Vesalius does recognize that the primary function of the cribriform plate and foramina was “for the entry into the head of odors” via the olfactory cranial nerve endings (p.
	vesalius.northwestern.edu /notes/ftFA.1.12.018.html (110 words)

	Taste and Smell (Site not responding. Last check: 2007-11-02)
		Once activated, the olfactory cells send action potentials along their axons and through the cribriform plate of the ethmoid bone.
		The axons of the olfactory cells are bundled to form the "olfactory nerves" that pass through the holes (olfactory foramina) of the cribriform plate.
		The olfactory cells synapse with nerves within the olfactory bulbs that sit right on top of the cribriform plate.
	faculty.etsu.edu /currie/tastesmell.htm (311 words)

	The Cranial Nerves
		The 12 pairs of cranial nerves are commonly identified either by name or by Roman or Arabic numeral.
		Bipolar cells in the nasal mucosa give rise to axons that enter the cranial cavity through foramina in the cribriform plate of the ethmoid bone.
		Once in the cranial cavity, the fibers terminate in a small oval structure resting on the cribriform plate called the olfactory bulb.
	www.becomehealthynow.com /article2/bodynervousadvanced/812/1 (886 words)

	[No title]
		Note: fractures of nose are common; fractures of cribriform plate of ethmoid (which forms roof of nasal cavity and floor of anterior cranial fossa) can lead to meningitis or cerebrospinal fluid leakage into nasal cavity if the dura is torn.
		Sphenoethmoidal recess ‑ above superior concha; openings ‑ 1) olfactory foramina of cribriform plate and 2) opening of Sphenoidal air sinus.
		Hard palate ‑ formed of palatine processes of maxillary and horizontal plates of palatine bones; tightly covered by mucoperiosteum.
	jcesom.marshall.edu /anatomy/grosshom/z_nasalcav.html (931 words)

	Chapter 17
		Axons from olfactory receptors form the olfactory nerves (Cranial nerve I) that synapse in the olfactory bulb
		Fibers of CN I pass through 40 foramina in cribriform plate
		Second-order neurons within the olfactory bulb form the olfactory tract that synapses on primary olfactory area of temporal lobe
	ccollege.hccs.cc.tx.us /instru/biology/janehome/chapter17.htm (2076 words)

	BIOL 238 Class Notes - Respiratory System
		In the nasal cavity the respiratory mucosa is partly ciliated and partly non ciliated and the cilia beat downward.
		olfactory epithelium] The upper portion of the nasal cavity has olfactory receptors whose nerves pass through the foramina in the cribriform plate to the olfactory bulb of the brain.
		The cartilages change from C-rings to plate cartilages in the bronchi while the walls get thinner.
	www.unm.edu /~jimmy/respiration_notes.htm (3519 words)

	Untitled
		1.Septal Cartilage: Continuation of the vertical plate of the ethmoid bone.
		1.Perpendicular Plate forms the superior part of nasal septum and articulates with septal cartilage.
		2.The Ethmoid Arteries leave the orbit through anterior posterior ethmoid foramina in the cribriform plate of the ethmoid bone.
	www.ucd.ie /vetanat/ga-subject/head&neck/hn8.html (1354 words)

	Module - Cranial Nerves (Site not responding. Last check: 2007-11-02)
		FUNCTION: special sensory (or visceral afferent - smell)
		The olfactory nerve fibers are collectively known as CN I. The fibers pass through foramina in the CRIBRIFORM PLATE of the ethmoid bone, pierce the dura and arachnoid of the brain and enter the olfactory bulb.
		In addition to enabling us to smell, CN I also induces visceral responses via the autonomic nervous system.
	www.med.umich.edu /lrc/coursepages/M1/anatomy/html/modules/CN_module/cnI.html (74 words)

	[No title]
		Conventionally, each of the 12 pairs of nerves is named using a Roman numeral (I through XII) together with the descriptive name for the nerve.
		I - Olfactory Nerve is a sensory nerve (a nerve carrying sensation information to the brain) that arises in the nasal mucosa (up through the olfactory foramina of the cribriform plate) and conveys impulses for the sense of smell to the brain.
		CLINICAL APPLICATIONS Anosmia refers to partial or total loss of the ability to smell.
	www.miramar.sdccd.cc.ca.us /faculty/mmcmahon/docs/anatomy/Cranialnerves.doc (1441 words)

	Head and Neck Unit
		Start by viewing an Introduction to the Osteology of the Skull, continue by exploring the Cranial Fossae, then learn about the different bones forming the skull (in alphabetical order):
		You can now study the foramina of the skull (in alphabetical order):
		Other important features to know include the following (in alphabetical order):
	people.musc.edu /~bacrotr/anatomy_on_the_web/out/textheadout.htm (52 words)

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