Ossa palatina


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Palatine bones ex situ Palatine bones in situ
Palatine bones ex situ & in situ.
Superior and slightly anterior view. Superior and slightly anterior view. To better visualize palatine bones, the rest of viscerocranium is displaced separately.

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Palatine bones ex situ Palatine bones in situ
The palatine bones ex situ & in situ. Inferior view.
Palatine bones are the most dorsal bones of the viscerocranium, acting as the bridge between processus pterygoideus & corpus ossis sphenoidalis from one side and maxilla from the other.

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Palatine bones ex situ Palatine bones in situ
The palatine bones ex situ & in situ. Iso view.
Two L-shaped palatine bones form the dorsal part of the nasal cavity.

Icon of crossfade image Anterior aspect of palatine bones with the anatomy terminology markup
Anterior aspect of palatine bones
The anterior aspect of palatine bones.
Please note that both bones are in contact with each other, and the distance between two lamina horizontalis practically doesn't exist.
The list of terms: Lamina perpendicularis – Perpendicular plate
Lamina horizontalis – Horizontal plate
Processus orbitalis – Orbital process
Incisura sphenopalatina – Sphenopalatine notch
Processus sphenoidalis – Sphenoidal process

Icon of crossfade image Posterior view of palatine bones with the anatomy terminology markup
Posterior view of palatine bones
The posterior aspect of palatine bones.
The list of terms: Crista ethmoidalis – Ethmoidal crest
Crista conchalis – Conchal crest
Processus pyramidalis – Pyramidal process

Icon of crossfade image Bottom view of palatine bones with the anatomy terminology markup
Bottom view of palatine bones
The bottom view of palatine bones.
The list of terms: Facies palatina laminae horizontalis – Palatine surface of horizontal plate
Processus pyramidalis – Pyramidal process
Processus sphenoidalis – Sphenoidal process
Spina nasalis posterior – Posterior nasal spine
Sulcus palatinus major – Greater palatine sulcus (pterygopalatine sulcus)

Icon of crossfade image Markup for the postero-lateral view of palatine bones
Posterior lateral view of palatine bones
Posterior & lateral aspect of palatine bones with some distance between bones.
The list of terms: Facies nasalis laminae perpendicularis – Nasal surface of perpendicular plate
Facies maxillaris laminae perpendicularis – Maxillary surface of perpendicular plate
Processus orbitalis – Orbital process
Processus pyramidalis – Pyramidal process
Processus sphenoidalis – Sphenoidal process
Sulcus palatinus major – Greater palatine sulcus
Crista nasalis – Nasal crest

Icon of crossfade image Lateral view of palatine bones with the anatomy terminology markup
Lateral view of palatine bones
The lateral aspect of right palatine bone.
Note that posterior & inferior portion of the maxillar surface directly articulate with maxilla and anterior portion of that surface cover the maxillary sinus.
The list of terms: Facies maxillaris laminae perpendicularis – MAxillary surface of perpendicular plate
Sulcus palatinus major – Greater palatine sulcus
Incisura sphenopalatina – Sphenopalatine notch

Icon of crossfade image Medial view of palatine bones with the anatomy terminology markup
Medial view of palatine bones
Medial aspect of right palatine bone.
The list of terms: Facies nasalis laminae perpendicularis – Nasal surface of perpendicular plate
Lamina horizontalis – Horizontal plate
Crista ethmoidalis – Ethmoid crest
Crista conchalis – Conchal crest
Incisura sphenopalatina – Sphenopalatine notch

First published: Jul/2019
Last update: 19/Nov/2020