pteridium aquilinum/dental caries

Egg development in Pteridium aquilinum var. latiusculum was studied using ultrastructural and cytochemical methods to examine structural features influencing fertilization in leptosporangiate ferns. Ultrastructural observations indicate a separation cavity is first formed above the egg during

BACKGROUND Bracken fern (Pteridium aquilinum) has been consumed by humans and animals for centuries. However, its consumption is associated with a high incidence of cancer in the upper digestory tract of different species. Although the oral cavity is the first site of contact with ingested toxic

Bracken (Pteridium spp.) is a common weed that is consumed as food especially in Asia, and is suspected of promoting carcinogenesis induced by papillomaviruses in the digestive and urinary systems. This is particularly worrying because the incidence of head-and-neck cancers associated with the human

Haematuria of cattle has been recognised in the Nepal hills for many years where it is of local economic importance. The aetiology has been thought to be babesiosis. The disease was investigated in East Nepal over a nine month period. Affected animals exhibited a chronic, intermittent haematuria and