CEA test: Carcinoembryonic antigen test is to detect response to therapy in cancer patients, especially colon cancer, with normal range of less than 2.5 (less than 5 in heavy smokers). Note that a positive test may not always be indicative of cancer.
Os Trigonum Syndrome. An Os Trigonum is a small, extra bone found at the back of the ankle in approximately 5-10% of people. Often it goes completely unnoticed, not causing any problems.
Trigonelline is an alkaloid with chemical formula C 7 H 7 N O 2.It is a zwitterion formed by the methylation of the nitrogen atom of niacin (vitamin B 3). Trigonelline is a product of niacin metabolism that is excreted in urine. Trigonelline occurs in many plants.It has been isolated from fenugreek seeds (Trigonella foenum-graecum, hence the name), garden peas, hemp seed, oats, potatoes, Stachys species, dahlia, Strophanthus species and Dichapetalum cymosum.rigonelline is an alkaloid with chemical formula C 7 H 7 N O 2.