Anatomy of Hair. A diagram of hair anatomy appears relatively straightforward, but it's actually one of the most complicated structures in the body. Hair is made up the two separate structures: the hair follicle, which exists below the skin, and the hair shaft, which is the hair we see. The hair follicle is the living part of the hair.
How hypothyroidism negatively affects your stomach acid levels. Just as hypothyroidism can result in the drying out of your skin and hair, it also seems to lower the levels of stomach acid in many thyroid patients, possibly by lowering your amount of parietel cells or lowering their ability to produce gastric acid, aka hypochlorhydria.
Hypothyroidism can affect many parts of the body, and treatment can often lead to normalization of these conditions. These are some ways that an underactive thyroid can affect the body: 1  High cholesterol and heart disease: Hypothyroidism slows your body's metabolism and can cause a buildup of bad cholesterol.2  It can also slow the heart and lead to an enlarged heart or heart failure.ypothyroidism can affect many parts of the body, and treatment can often lead to normalization of these conditions. These are some ways that an underactive thyroid can affect the body: 1  High cholesterol and heart disease: Hypothyroidism slows your body's metabolism and can cause a buildup of bad cholesterol.