Vegetative foreign body

Approximately 42% to 64% of RCEs occur after superficial trauma to the cornea. Fingernail injuries are reported to be the most common cause of traumatic RCE. Other causes of traumatic RCE include injuries from paper, cardboard, vegetative material, contact lenses, foreign body removal, and trauma to the epithelium during LASIK. 

Where do these chemicals come from Most chemicals that are foreign to the body and potentially poisonous (known as xenobiotics, from xeno, foreign, bios, life) are found in the food we eat, whether we are vegetarians or meat-eaters. Many will be natural constituents of vegetables and fruits, while others may be naturally occurring contaminants or produced by... 

Emulsions intended for total parenteral nutrition (TPN) are formulated using vegetable or neutral oils as dispersed phase and phospholipids as emulsifier with the objective that they are not recognized as foreign by the body. They can be considered as being artificial chylomicrons and enter the fat metabolism pathway through the adsorption of apolipoproteins and the subsequent action of lipoprotein lipase. 

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