7,891 results found
Article
Intrinsic muscles of the tongue
The intrinsic muscles of the tongue are a group of 4 muscular bands in the tongue. In comparison to the extrinsic muscles of the tongue, they are entirely within the tongue with no external attachments. They act to alter the shape of the tongue where as the extrinsic tongue muscles alter the pos...
Article
Submandibular gland enlargement
Submandibular gland enlargement refers to an increase in the volume of the submandibular gland, exceeding "normal" values of 7.4 ± 1.8 mL 1.
Pathology
Causes
Obstruction
sialolithiasis
submandibular duct stenosis (e.g. tumor, granulomatous disease)
Infection
acute sialadenitis: following ...
Case
Dacryocystitis
Published
06 Feb 2024
80% complete
CT
Case
Earring backing embedded in earlobe
Published
07 Aug 2020
91% complete
X-ray
Case
Chronic penetrating traumatic brain injury - intracranial bullet
Published
12 Mar 2020
73% complete
CT
Case
Thyroid cartilage fracture
Published
27 Feb 2015
74% complete
CT
Article
Scalp
The scalp (TA: calva) is the skin and subcutaneous tissue covering the neurocranium. It is composed of five layers and has a rich vascular supply which explains why it bleeds profusely and heals well.
Layers
The scalp is composed of five layers which are easily remembered with this mnemonic. F...
Case
Paget disease of the skull
Published
14 Mar 2020
85% complete
X-ray
Case
Facial process of parotid gland
Published
13 Mar 2020
74% complete
MRI
Case
CT temporal bone coronal - labeling questions
Published
09 Nov 2021
40% complete
CT
Annotated image
Article
Vomerovaginal canal
The vomerovaginal canal is a small paired variably present canal between the alae of the vomer and the vaginal processes of the sphenoid bone body. It is medial to the palatovaginal canal.
When present it transmits the sphenopalatine vessels.
Practical points
Knowledge of the anatomy of vomer...
Article
Superior pharyngeal constrictor muscle
The superior pharyngeal constrictor muscle is one of the pharyngeal constrictor muscles. Its primary action is constriction of the pharynx (in coordination with the middle pharyngeal constrictor and the inferior pharyngeal constrictor muscles) to deliver a bolus of food into the esophagus.
Summ...
Case
Retinopathy of prematurity
Published
23 Oct 2017
79% complete
Ultrasound
Case
Multiple skull fractures in a trauma patient
Published
15 Feb 2015
98% complete
CT
Case
Left frontal mucocoele
Published
23 Feb 2012
59% complete
CT
Case
CT temporal bone sagittal - labeling questions
Published
12 Nov 2021
40% complete
CT
Annotated image
Case
Fatal gunshot wound to the head
Published
30 Jul 2011
74% complete
CT
Case
Adenoidal hypertrophy
Published
13 Apr 2022
91% complete
X-ray
Article
Frontal bullar cells
The frontal bullar cells are a subset of variably present frontal recess cells located above the ethmoid bulla.
Terminology
They are nearly identical to suprabullar cells. The distinguishing features with the latter are that the frontal bullar cells are located above the frontal ostium and ext...
Case
Osteolytic skull metastasis of lung cancer
Published
05 May 2013
89% complete
CT
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