PRESENCE OF BLOOD IN TEARS DURING THE MECHOLYL TEST.
D001769:Blood; D006653:Histology; D006940:Hyperemia; D007765:Lacrimal Apparatus; D016210:Methacholine Chloride; D008688:Methacholine Compounds; D010277:Parasympathomimetics; D010600:Pharmacology; D010784:Photomicrography; D010946:Plants, Medicinal; D011166:Porphyrins; D051381:Rats; D012106:Research; D013666:Tears
D008688:Methacholine Compounds; D010277:Parasympathomimetics; D011166:Porphyrins; D016210:Methacholine Chloride
BLOOD; EXPERIMENTAL LAB STUDY; HISTOLOGY; HYPEREMIA; LACRIMAL APPARATUS; METHACHOLINE COMPOUNDS; PARASYMPATHOMIMETICS; PHARMACOLOGY; PHOTOMICROGRAPHY; PLANTS, MEDICINAL; PORPHYRINS; RATS; TEARS