Answered by The Community. Making the world better, one answer at a time. A delta is an area where a river enters a larger body of water. Weathered particles are eroded and then deposited when the momentum of the river slows down.So a delta has to start with weathered particles and then the particles have to be eroded and then they are deposited.aking the world better, one answer at a time. A delta is an area where a river enters a larger body of water. Weathered particles are eroded and then deposited when the momentum of the river slows down.
INTRODUCTION: Inverted papilloma (Schneiderian papilloma) is a primarily benign lesion that occurs in the nasal cavity and paranasal sinuses. Clinical problems include a tendency towards local destruction, recurrence and malignant transformation into squamous cell carcinoma.
Other types of xanthoma identified in the Medical Dictionary include: 1  eruptive x.: usually appearing on the back and buttocks, or the extensors of knees and elbows of hyperlipemic individuals, it is the sudden appearance of groups of yellowish-brown papules surrounded by an erythematous halo. xanthelasma is a sharply demarcated yellowish collection of cholesterol underneath the skin, usually on or around the eyelids. Strictly, a xanthelasma is a distinct condition, only being called a xanthoma when becoming larger and nodular, assuming tumorous proportions.