Posterior clinoid processes: Difference between revisions

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	In the ], the anterior boundary of the ] is completed by two small eminences, one on either side, called the ], while the posterior boundary is formed by a square-shaped plate of bone, the ], ending at its superior angles in two tubercles, the '''posterior clinoid processes''', the size and form of which vary considerably in different individuals. The posterior clinoid processes deepen the sella turcica, and give attachment to the ].		In the ], the anterior boundary of the ] is completed by two small eminences, one on either side, called the ], while the posterior boundary is formed by a square-shaped plate of bone, the ], ending at its superior angles in two tubercles, the '''posterior clinoid processes''', the size and form of which vary considerably in different individuals. The posterior clinoid processes deepen the sella turcica, and give attachment to the ].
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	==Etymology==		==Etymology==

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Revision as of 20:05, 10 February 2018

Posterior clinoid processes
Sphenoid bone. Superior view. (Posterior clinoid process labeled at upper left.)
Base of the skull. Upper surface. (Caption for posterior clinoid process visible at center left. Sphenoid bone is yellow.))
Details
Identifiers
Latin	Processus clinoideus posterior
TA98	A02.1.05.011
TA2	595
FMA	54696
Anatomical terms of bone[edit on Wikidata]

In the sphenoid bone, the anterior boundary of the sella turcica is completed by two small eminences, one on either side, called the anterior clinoid processes, while the posterior boundary is formed by a square-shaped plate of bone, the dorsum sellæ, ending at its superior angles in two tubercles, the posterior clinoid processes, the size and form of which vary considerably in different individuals. The posterior clinoid processes deepen the sella turcica, and give attachment to the tentorium cerebelli.

Etymology

Clinoid likely comes from the Greek root klinein or the Latin clinare, both meaning "sloped" as in "inclined."

References

This article incorporates text in the public domain from page 147 of the 20th edition of Gray's Anatomy (1918)

External links

"Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014-01-01.
Anatomy figure: 22:5b-06 at Human Anatomy Online, SUNY Downstate Medical Center

Neurocranium of the skull

Occipital

Squamous part	external Inion/External occipital protuberance Occipital bun External occipital crest Nuchal lines Suprainiac fossa planes Occipital Nuchal internal Cruciform eminence Internal occipital protuberance Internal occipital crest Groove for transverse sinus
Lateral parts	Condyle Condyloid fossa Condylar canal Hypoglossal canal jugular Jugular process Jugular tubercle
Basilar part	Pharyngeal tubercle Clivus
Other	Foramen magnum Basion Opisthion

Parietal

Frontal

Squamous part	Frontal suture Frontal eminence external Superciliary arches Glabella foramina Supraorbital foramen Brow ridge Foramen cecum Zygomatic process internal Sagittal sulcus Frontal crest
Orbital part	Ethmoidal notch Fossa for lacrimal gland Trochlear fovea Frontal sinus Frontonasal duct

Temporal

Squamous part	Articular tubercle Suprameatal triangle Mandibular fossa Petrotympanic fissure Zygomatic process
Mastoid part	Mastoid foramen Mastoid process (Mastoid cells) Mastoid notch Occipital groove Sigmoid sulcus Mastoid antrum (Aditus)
Petrous part	Carotid canal Facial canal Hiatus Internal auditory meatus Cochlear aqueduct Stylomastoid foramen fossae Subarcuate fossa Jugular fossa canaliculi Inferior tympanic Mastoid Styloid process Petrosquamous suture (note: ossicles in petrous part, but not part of temporal bone)
Tympanic part	Suprameatal spine

Sphenoid

Surfaces	Superior surface: Sella turcica Dorsum sellae Tuberculum sellae Hypophysial fossa Posterior clinoid processes Ethmoidal spine Chiasmatic groove Middle clinoid process Petrosal process Clivus Lateral surface: Carotid groove Sphenoidal lingula Anterior surface: Sphenoidal sinuses
Great wings	foramina Rotundum Ovale Vesalii Spinosum Spine Infratemporal crest Sulcus of auditory tube
Small wings	Superior orbital fissure Anterior clinoid process Optic canal
Pterygoid processes	fossae Pterygoid Scaphoid pterygoid plates Lateral Medial Pterygoid canal Hamulus
Other	Body Sphenoidal conchae

Ethmoid

Plates	Cribriform plate Crista galli Olfactory foramina Perpendicular plate
Surfaces	Lateral surface Orbital lamina Uncinate process Medial surface Supreme nasal concha Superior nasal concha Superior meatus Middle nasal concha Middle meatus
Labyrinth	Ethmoid sinus ethmoidal foramina Posterior Anterior

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