Mastoid lymph nodes - Nodi lymphoidei mastoidei Possible causes: A - facial palsy (Paralysis of the facial nerve) - Facial paralysis and loss of facial expressions B - lymph node swelling - Glandular Pfeiffer fever (Kiss sickness), Rubella infection, toxoplasmosis C. - Toothache - especially Inflammation of the molars (Molars) and wisdom teeth D. - De Quervain Thyroiditis - rare inflammatory disease the thyroid gland E - Muscular Causes - muscular tension in the Area of the neck and Neck muscles (no picture)
You can find an overview of all Dr-Gumpert images at: medical illustrations