... for sublingual glands 4. Mylohyoid line: extends posterior from fossa 5. Submandibular fossa: for submandibular gland, below ... most common malignant neoplasm of eyelids with 80% developing at inner canthus or on lower lid margin 4. Neoplasms arising in ... 193 Parathyroid Glands A. A. Parts 1. 4 glands, arranged into superior and inferior pairs 2. Supernumerary parathyroid glands ... 194 Parathyroid Glands A. A. Parts 1. 4 glands, arranged into superior and inferior pairs 2. Supernumerary parathyroid glands ...