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8 08, 2018

Glabella

By Dr. Joseph H Volker | 2018-08-30T09:37:35+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The glabella is the skin in the middle of the eyebrows and superior to the nose. It also stands for the underlying bone which is somewhat indented, and connects the two superciliary ridges. It is just superior towards the nasion and is a cephalometric marker (For study of the dental and skeletal relationships of a [...]

8 08, 2018

Sella Turcica

By Dr. Joseph H Volker | 2018-08-30T09:28:48+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The sella turcica is structurally a cup-shaped recession which is located in the central basisphenoid bone that encloses the pituitary gland along with inferior portion of the infundibular stalk. The sellar floor is anteriorly constant with the tuberculum sellae and the dorsum sellae posteriorly. Sella Turcica Structure The anterior wall of the sella [...]

8 08, 2018

Optic Canal

By Dr. Joseph H Volker | 2018-08-30T09:19:23+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The optic canal is the rounded gap at the tip of the pyramid shaped. It opens into the middle cranial fossa and is surrounded medially via the body of the sphenoid as well as laterally via the lesser wing of the sphenoid. Optic Canal Structure Approximately the optic canal is 0.4 to 1 [...]

8 08, 2018

Anterior Triangle of the Neck

By Dr. Joseph H Volker | 2018-08-30T09:37:02+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

It is located on every side of the neck and is a large triangular space, with its apex pointed downwards and base pointed upwards and in front of sternocleidomastoid. Borders Anterior: Anterior median line of the neck. Posterior: Anterior border of the sternocleidomastoid muscle. Base: Lower border of the body of mandible and a lineextending [...]

8 08, 2018

Vermillion Border

By Dr. Joseph H Volker | 2018-08-30T11:19:32+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The vermillion border is the red border of the lips, showing an intermediate area, the place where the lips combine within the mucous membrane or mucosa. Structure Vermillion Border • Externally, it is limited through the mucocutaneous junction on the face, the joint in the middle of the skin of the face and [...]

8 08, 2018

Stylomastoid Foramen

By Dr. Joseph H Volker | 2018-08-30T10:42:24+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The stylomastoid foramen is a curved aperture located in the middle of the base of styloid and the mastoid process of the temporal bone, on the inferior side of the petrous temporal bone. It transports the facial nerve. Stylomastoid Foramen Relations Before exiting the skull through the stylomastoid foramen, the facial [...]

8 08, 2018

Anterior Cranial Fossa

By Dr. Joseph H Volker | 2018-08-30T09:13:42+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The anterior cranial fossa lodges the frontal lobes of the cerebral hemispheres. Its floor consists of the portions of the subsequent 3 bones: ethmoid, frontal and sphenoid. It's demarcated from the middle cranial fossa by the: Posterior free border of the lesser wing of sphenoid on every side and Anterior border of the sulcus chiasmaticus [...]

8 08, 2018

Frontal Process of Maxilla

By Dr. Joseph H Volker | 2018-08-30T08:52:47+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The frontal process protrudes posterosuperiorly in the middle of the nasal and lacrimal bones. Structure Frontal Process of Maxilla Lateral Surface Lateral surface is separated through a vertical ridge known as anterior lacrimal crest within anterior and posterior portions. The posterior part is dented and creates a portion of lacrimal fossa. Lacrimal crest [...]

8 08, 2018

Anterior Fontanelle

By Dr. Joseph H Volker | 2018-08-30T10:55:55+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The anterior fontanelle a.k.a. bregmatic fontanelle or frontal fontanelle is the biggest among all the fontanelle and is located at the joint where the sagittal suture, coronal suture, and frontal suture merge. Anterior Fontanelle Structure Approximately, it is 4 cm in its anteroposterior and 5 cm in its transverse diameter. The margins of [...]

8 08, 2018

Antitragus

By Dr. Joseph H Volker | 2018-08-30T09:44:54+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments

The antitragus is situated opposite and behind the tragus. It is an arch-shaped cartilage structure. Antitragus Related Structures Incisura intertragica The groove in the middle of the two traguses is known as incisura intertragica. It is also known as the intertragic notch. The Hormonal zone is found in this area. Incisura intertragica is [...]