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The retromolar area of a human mandible is covered by the retromolar pad (also known as the piriformis papilla), an elevated triangular area of mucosa.It is composed of non-keratinized loose alveolar tissue covering glandular tissues and muscle fibers. [4]
The retromandibular vein (temporomaxillary vein, posterior facial vein) is a major vein of the face. It is formed within the parotid gland by the confluence of the maxillary vein, and superficial temporal vein. It descends in the gland and splits into two branches upon emerging from the gland.
Diagram showing left medial and lateral pterygoid muscles. Part of the zygomatic arch and the ramus of the mandible have been cut away. The pterygomandibular space lies between the lateral surface of medial pterygoid and the medial surface of the mandibular ramus.
It receives blood from the external palatine vein before it either joins the anterior branch of the retromandibular vein to form the common facial vein, or drains directly into the internal jugular vein. There are valves in the facial vein. [1] Its walls are not so flaccid as most superficial veins.
The infratemporal fossa is an irregularly shaped cavity that is a part of the skull.It is situated below and medial to the zygomatic arch.It is not fully enclosed by bone in all directions.
The external jugular vein is a paired jugular vein which receives the greater part of the blood from the exterior of the cranium and the deep parts of the face, being formed by the junction of the posterior division of the retromandibular vein with the posterior auricular vein.
Retromandibular vein. Superficial temporal veins; Middle temporal vein; Transverse facial vein; Maxillary veins; Pterygoid plexus; External jugular vein. Posterior auricular vein; Anterior jugular vein; Suprascapular vein; Transverse cervical veins; Dural venous sinuses. Transverse sinus; Confluence of sinuses; Marginal sinus; Occipital sinus ...
It joins the posterior division of the retromandibular vein. [1] It drains into the external jugular vein. [1] [2] It receive the stylomastoid vein, and some tributaries from the cranial surface of the auricle. [1]