What is uncinate process?
The uncinate process is a hook like extension from the lower part of the head of the pancreas, and it extends superiorly and posteriorly behind the superior mesenteric vein (SMV), and ends either to the right side or extending behind the superior mesenteric artery (SMA) 1.
Where is uncinate process nose?
The uncinate process can be attached to either the lateral nasal wall, on the lamina papyracea (50%), the anterior cranial fossa, on the ethmoidal roof (25%), or the middle concha (25%). The superior attachment of the uncinate process determines the drainage pattern of the frontal sinus.
Is the uncinate process part of the ethmoid bone?
The uncinate process is one of the three downward vertical projections of the ethmoid bone (the other two are the perpendicular plate and the middle turbinate) and articulates inferiorly with the ethmoid process of the inferior turbinate (Figure IB).
Where does the maxillary sinus drain?
The maxillary sinus drains into the middle meatus, with the ostium of the sinus opening into the nose on the superior aspect of the medial wall of the sinus, which may explain the high incidence of maxillary sinusitis.
What is the uncinate process sinus?
The uncinate process attaches to the perpendicular process of the palatine bone and the ethmoid process of the inferior turbinate with bony spicules. The convex anterior margin is in contact with the bony lateral nasal wall and may extend up to the lacrimal bone.
What is uncinate process sinus?
What is an Uncinate in the sinus?
The uncinate process of the ethmoid bone is a thin hook-like osseous structure of the wall of the lateral nasal cavity.
What is the uncinate process sinuses?
What is Uncinate process sinus?
Why maxillary sinus is most commonly infected?
Maxillary sinusitis is common due to the close anatomic relation of the frontal sinus, anterior ethmoidal sinus and the maxillary teeth, allowing for easy spread of infection.
Which vertebrae have uncinate processes?
C3-C7
The uncinate processes refer to a hook-shaped process, or bony protuberance, located on the lateral or posterolateral margins of the superior endplates of the cervical vertebral bodies, most commonly found at the levels of C3-C7.
Where is the Uncinate fasciculus?
The uncinate fasciculus is one of several long-range white matter association fibre tracts in the human brain. It connects orbitofrontal cortex to the anterior temporal lobes through a direct, bidirectional monosynaptic pathway.
What is inferior to the maxillary sinus?
Inferiorly, the floor of the maxillary sinus approximates the roots of the maxillary teeth. The medial wall coincides with the lateral wall of the nasal cavity and is the location of the maxillary ostium, the area of drainage of the ethmoid infundibulum (Fig.
What is the uncinate fasciculus responsible for?
The left uncinate fasciculus has frequently been associated with language function because it connects regions of the brain that have putative functions in language: the anterior temporal lobes and portions of the frontal lobes, both of which have been proposed to encode, store and retrieve semantic knowledge (Grossman …
What is the function of the uncinate fasciculus?
The uncinate fasciculus connects the orbitofrontal cortex, involved in face encoding and in processing famous names, to the temporal pole, which is crucial in naming people.
What is maxillary sinusitis?
Maxillary Sinusitis is the inflammation of the paranasal sinuses caused by a virus, bacteria, or fungus. The infection can also result after an allergic reaction – when the immune system attacks the healthy body cells. This infection may be associated with both bacterial and fungal infections.