I'm sorry for any confusion, but "Corsiaceae" is actually a taxonomic family of plants, not a medical term. It belongs to the order Liliales and includes several genera of terrestrial and saprophytic herbaceous plants that are native to tropical and subtropical regions of Asia, Africa, and America.

These plants are characterized by their unique flowers and lack of chlorophyll, which means they cannot produce their own food through photosynthesis. Instead, they obtain nutrients by forming relationships with fungi in the soil.

Therefore, "Corsiaceae" is not directly relevant to medical definitions or human health.