Hair grows from hair follicles that are present in the dermis. These are protein filaments and a defining characteristic of all mammals. Each hair strand consists of the unstructured layer medulla, the structured layer with melanin called the cortex, and the outer covering called the cuticle.
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What is the connection between urine drug test and hair follicle test?
Query: Hello doctor, I am trying to figure out the conversation between levels on a urine drug test and a hair follicle test. For example, Urine test: 505 ng/ml. THCA. Hair test: 5.95 pg/mg THCA . If there were 32.6 ng/ml cocaine metabolite detected in a urine test, how might that show in a hair drug test?... Read Full »
Answer: Hello, Welcome to icliniq.com. In the urine, the metabolites are detected as it is directly coming out from the blood. I mean, it gives a day to day excretion of the metabolite, that is directly proportional to the amount of the specific drug or metabolite in the blood. Whereas, the metabolites or ... Read Full »