Ethmoidal crest of palatine bone - e-Anatomy - IMAIOS
网页Definition. The ethmoidal crest is a horizontal crest superiorly and less prominent than the conchal crest, for articulation with the middle nasal concha. Above the ethmoidal crest is a narrow, horizontal groove, which forms part of the superior meatus.
Ethmoid bone - Wikipedia
网页The ethmoid bone (/ ˈɛθmɔɪd /; [1][2] from Ancient Greek: ἡθμός, romanized: hēthmós, lit. 'sieve') is an unpaired bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits. The cubical bone is lightweight due to a spongy construction.
Ethmoid bone: Anatomy, borders and development - Kenhub
网页2023年10月30日 · The ethmoid bone is a singular porous cranial bone that makes up the middle area of the neurocranium and forms the midfacial region of the skull. It contributes to the formation of the orbit, nasal cavity, nasal septum …
Ethmoidal crest - vet-Anatomy - IMAIOS
网页Definition. On the nasal surface of the perpendicular plate of the palatine bone, the ethmoidal crest of the maxilla is an oblique line descending backwards. It is attached to the middle concha and therefore separates two slightly excavated surfaces, the one of the upper meatus and the one of the middle meatus.
The importance of the palatine bone for endoscopic endonasal …
网页2024年4月22日 · The ethmoidal crest of the palatine bone is a well-known structure that is useful for identifying the sphenopalatine foramen, controlling the sphenopalatine artery and nerve, and safely opening the pterygopalatine fossa.
Palatine bone: Plates, borders, processes, articulations - Kenhub
网页2023年11月3日 · Superior to this concavity is the ethmoidal crest, onto which the middle nasal concha attaches. The maxillary surface of the perpendicular place articulates with the nasal surface of the maxilla. It is mostly rough and irregular, except in its posterosuperior and anterior portions.
Development of the Ethmoid Sinus and Extramural Migration: …
网页2008年10月24日 · Developmental tracking of the pneumatization of the ethmoid and adjacent bones, and particularly of the extramural cells of the ethmoid, helps to explain the highly variable adult morphology of the ethmoid air sinus system. To fully understand the nature and underlying biology of this sinus system, multiple approaches were …
Anatomical Correlation Between Nasal Vascularisation and the …
网页2017年9月6日 · The anterior ethmoidal artery (AEA) passes through the superior oblique muscle and the medial rectus muscle describing a curvature before being placed on the ethmoidal roof. The posterior ethmoidal artery (PEA) runs superior to …
4.9: Endoscopic Ethmoidectomy (FESS) Surgical Technique
网页2021年12月11日 · Intranasally, a projection of palatine bone, called the ethmoidal crest, is the most reliable landmark to find the sphenopalatine artery; the artery runs immediately behind this crest.
Anatomy, Head and Neck, Sphenopalatine Foramen
网页2023年8月8日 · Ethmoid crest (i.e., crista ethmoidalis): a sharp bony projection that characterizes the anterior portion of the sphenopalatine foramen. NOTE: Females have statistically shorter distances to the sphenopalatine foramen from the nasal floor, maxillary line, choanal arch, and anterior head of the middle turbinate.
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