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The parotid duct is formed when several interlobular ducts, the largest ducts inside the parotid gland, join.It emerges from the parotid gland. It runs forward along the lateral side of the masseter muscle for around 7 cm. [2] In this course, the duct is surrounded by the buccal fat pad.
The parotid glands are a pair of mainly serous salivary glands located below and in front of each ear canal, draining their secretions into the vestibule of the mouth through the parotid duct. [3] Each gland lies behind the mandibular ramus and in front of the mastoid process of the temporal bone .
The parotid fascia is described as consisting of an outer leaf and an inner leaf that are formed by a split of the deep cervical fascia: the outer leaf represents parotideomasseteric fascia and extends superiorly to the zygomatic arch; the parotid fascia is said to be considered the parotid capsule where it covers the gland while anteriorly to ...
The parotid fascia (or parotid capsule [1]) is a tough [2] fascia enclosing the parotid gland. [1] [2] [3] It has a superficial layer and a deep layer. [1] Current scientific knowledge regards the superficial layer to be continuous with the fascia of the platysma, and the deep layer to be derived from the deep cervical fascia. [1]
The SML is pierced by the mylohyoid nerve (a branch of the inferior alveolvar nerve) and the accompanying mylohyoid artery and vein. [3] Any remaining space between the SML and mandible is taken up by the parotid gland. [3] Between the SML and the pharynx are situated adipose tissue, and a pharyngeal vein. [1]
The submandibular glands (previously known as submaxillary glands) are a pair of major salivary glands located beneath the lower jaws, superior to the digastric muscles. [6] The secretion produced is a mixture of both serous fluid and mucus , and enters the oral cavity via the submandibular duct or Wharton duct. [ 7 ]
The transverse facial artery is given off from the superficial temporal artery before that vessel leaves the parotid gland; running forward through the substance of the gland, it passes transversely across the side of the face, between the parotid duct and the lower border of the zygomatic arch, and divides into numerous branches, which supply the parotid gland and parotid duct, the masseter ...
Structure [ edit ] It arises from the outer surfaces of the alveolar processes of the maxilla and mandible , corresponding to the three pairs of molar teeth and in the mandible, it is attached upon the buccinator crest posterior to the third molar ; [ 5 ] and behind, from the anterior border of the pterygomandibular raphe which separates it ...