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  2. Mastoiditis - Wikipedia

    en.wikipedia.org/wiki/Mastoiditis

    Mastoiditis is the result of an infection that extends to the air cells of the skull behind the ear. Specifically, it is an inflammation of the mucosal lining of the mastoid antrum and mastoid air cell system inside [1] the mastoid process. The mastoid process is the portion of the temporal bone of the skull that is behind

  3. Mastoid lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Mastoid_lymph_nodes

    The mastoid lymph nodes (retroauricular lymph nodes or posterior auricular glands) are a small group of lymph nodes, usually two in number, located just beneath the ear, on the mastoid insertion of the sternocleidomastoideus muscle, beneath the posterior auricular muscle.

  4. Mastoid part of the temporal bone - Wikipedia

    en.wikipedia.org/wiki/Mastoid_part_of_the...

    The mastoid process is located posterior and inferior to the ear canal, lateral to the styloid process, and appears as a conical or pyramidal projection. It forms a bony prominence behind and below the ear. [1] It has variable size and form (e.g. it is larger in the male than in the female). It is also filled with sinuses, or mastoid cells.

  5. Preauricular deep parotid lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Preauricular_deep_parotid...

    A specific example would be the lateral portions of the eye's bulbar and palpebral conjunctiva as well as the skin adjacent to the ear within the temporal region. The efferents of these nodes pass to the superior deep cervical glands. The preauricular nodes glands will present with marked swelling in viral conjunctivitis. [1]

  6. Tympanic part of the temporal bone - Wikipedia

    en.wikipedia.org/wiki/Tympanic_part_of_the...

    The auditory bulla (pl. bullae) is a hollow bony structure on the ventral, posterior portion of the skull that encloses parts of the middle and inner ear. In most species, it is formed by the tympanic part of the temporal bone. [2]

  7. Basilar skull fracture - Wikipedia

    en.wikipedia.org/wiki/Basilar_skull_fracture

    A basilar skull fracture is a break of a bone in the base of the skull. [1] Symptoms may include bruising behind the ears, bruising around the eyes, or blood behind the ear drum. [1] A cerebrospinal fluid (CSF) leak occurs in about 20% of cases and may result in fluid leaking from the nose or ear. [1] Meningitis occurs in about 14% of cases. [2]

  8. Posterior auricular vein - Wikipedia

    en.wikipedia.org/wiki/Posterior_auricular_vein

    The posterior auricular vein begins upon the side of the head, in a plexus which communicates with the tributaries of the occipital vein and the superficial temporal vein. It descends behind the auricle. [1] It joins the posterior division of the retromandibular vein. [1] It drains into the external jugular vein. [1] [2]

  9. Submandibular lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Submandibular_lymph_nodes

    The most common causes of enlargement of the submandibular lymph nodes are infections of the head, neck, ears, eyes, nasal sinuses, pharynx, and scalp. [1] The lymph glands may be affected by metastatic spread of cancers of the oral cavity, anterior portion of the nasal cavity, soft tissues of the mid-face, and submandibular salivary gland. [1]