Items tagged “nasal cavity”
17 results found
Case
Concha bullosa - bilateral
Published
29 Dec 2008
83% complete
CT
Case
Concha bullosa: left
Published
19 Nov 2009
53% complete
CT
Article
Olfactory neuroblastoma
Olfactory neuroblastomas, also known as esthesioneuroblastomas, (the spelling aesthesioneuroblastoma is archaic) are tumors arising from the basal layer of the olfactory epithelium in the superior recess of the nasal cavity.
They usually present as a soft tissue mass in the superior olfactory r...
Case
Concha bullosa (diagram)
Published
30 Apr 2010
19% complete
Diagram
Case
Concha bullosa
Published
21 May 2010
62% complete
CT
Case
Concha bullosa - obstructed
Published
21 May 2010
65% complete
CT
Case
Nasal dermoid cyst
Published
03 Aug 2012
56% complete
MRI
Case
Infected concha bullosa
Published
30 Nov 2012
65% complete
Annotated image
CT
Article
Pyriform aperture stenosis
Pyriform aperture stenosis refers to narrowing of the pyriform aperture and results from early fusion and hypertrophy of the medial nasal processes.
Epidemiology
Pyriform aperture stenosis is a rare cause of airway obstruction, and its prevalence is unknown.
Pathology
Associations
alobar...
Article
Nasolacrimal drainage apparatus
The nasolacrimal (drainage) apparatus consists of:
lacrimal canaliculi
lacrimal sac
nasolacrimal duct
Gross anatomy
Tears produced by the lacrimal gland, accessory lacrimal glands of Krause, Wolfring and Zeis, and Meibomian glands track medially along the eyelid margins and collect at the l...
Article
Nasolacrimal duct
The nasolacrimal duct (NLD) is the terminal part of the nasolacrimal apparatus.
Gross anatomy
The nasolacrimal duct is the inferior continuation of the lacrimal sac and is ~17 mm in length in total. The duct runs in the bony nasolacrimal canal. There are two parts to the nasolacrimal duct:
in...
Article
Ostiomeatal complex
The ostiomeatal complex (OMC) or ostiomeatal unit (OMU), sometimes less correctly spelled as osteomeatal complex, is a common channel that links the frontal sinus, anterior ethmoid air cells and the maxillary sinus to the middle meatus, allowing airflow and mucociliary drainage.
Gross anatomy
...
Article
Nose
The nose, sometimes referred to as the external nose, is a feature of the face and is composed of soft tissues that extend externally from the skull. It is continuous posteriorly with the nasal cavity. The anterior (piriform) aperture is bounded above by the nasal bones and elsewhere by the two ...
Article
Schneiderian epithelium
Schneiderian epithelium/membrane is the unique lining of the nasal cavity and paranasal sinuses, and is an ectodermally derived ciliated columnar epithelium with goblet cells. It differs from the similarly appearing respiratory epithelium, which is endodermally derived.
History and etymology
...
Case
Antrochoanal polyp
Published
12 Apr 2022
83% complete
CT
Case
Antrochoanal polyp
Published
24 Apr 2022
80% complete
CT
Article
Sinonasal seromucinous hamartoma
Sinonasal seromucinous hamartomas (SSH) are benign sinonasal neoplasms.
Epidemiology
Sinonasal seromucinous hamartomas are rare, with approximately 25 cases reported since 1974 1. They are more common in middle-aged adults with a mean in the 6th decade and a slight female predilection (1.5:1) ...