Is the Aqueous Humor a Dialysate?

Melatonin and the control of intraocular pressure

“…The aqueous humor is a transparent fluid, somewhat similar to blood plasma, that bathes the anterior and the posterior ocular chambers (Adler, 1933;Civan and Macknight, 2004;Davson et al, 1936). It is secreted into the posterior chamber by cells in the ciliary processes, it circulates through the pupil and passes into the anterior chamber from where it is drained by two main routes, the conventional pathway (trabecular meshwork-Schlemm's canal-aqueous veins), and the nonconventional uveoscleral drainage pathway (Bill, 1966).…”

Tarred roads or tobacco? Debates on the cause of lung cancer, nineteen-twenties to nineteen-fifties

“…Adler was not alone in thinking that there was ‘hardly room for doubt that the increase in the percentage of lung tumors is to be attributed mainly to the increased attention paid to these types of tumor and the greater care and more extensive microscopic investigation with which autopsies are carried out at present’. A dozen years later, however, Davidson thought it difficult to regard the increase in primary cancers of the lungs and bronchi since the First World War as ‘merely apparent’. He believed that improved diagnosis could offer ‘no more than a partial explanation’.…”