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The mandibular fossa, also known as the glenoid fossa in some dental literature, is the depression in the temporal bone that articulates with the ... Mobile view ...
This envelope was first described by Ulf Posselt in 1952. It is a diagrammatic representation of a sagittal view of maximum mandibular movement. Posselt postulated that in the first 20mm of opening and closing, the mandible only rotates and does not simultaneously move downward and forward. [1]
The disc is composed of dense fibrocartilagenous tissue that is positioned between the head of the mandibular condyle and the mandibular fossa of the temporal bone. The temporomandibular joints are one of the few synovial joints in the human body with an articular disc , another being the sternoclavicular joint .
The pterygomandibular space lies between the lateral surface of medial pterygoid and the medial surface of the mandibular ramus. The four compartents of the right masticator space. A Temporalis muscle, B Masseter muscle, C Lateral pterygoid muscle, D Medial ptaerygoid muscle, E Superficial temporal space, F Deep temporal space, G Submasseteric ...
The condyloid process or condylar process is the process on the human and other mammalian species' mandibles that ends in a condyle, the mandibular condyle.It is thicker than the coronoid process of the mandible and consists of two portions: the condyle and the constricted portion which supports it, the neck.
Its posterior border is concave and forms the anterior boundary of the mandibular notch. The lateral surface is smooth, and affords insertion to the temporalis and masseter muscles. Its medial surface gives insertion to the temporalis, and presents a ridge which begins near the apex of the process and runs downward and forward to the inner side ...
The posterior part of the mandibular fossa, formed by the tympanic part of the bone, is non-articular, and sometimes lodges a portion of the parotid gland. The petrotympanic fissure leads into the middle ear or tympanic cavity; it lodges the anterior process of the malleus, and transmits the tympanic branch of the internal maxillary artery.
It is located posterior to the mandibular notch and inferior to the mandibular condyle. The pterygoid fovea is the site of insertion for the inferior head of the lateral pterygoid muscle . [ 1 ] [ 2 ]