What gland makes testosterone

Parotid cancers not only tend to grow in the gland itself and destroy the surrounding tissue and nerves, but also spread to the lymph nodes and even other parts of the body. The parotid surgery treatment type of these tumors is based on the type of cancer. Early diagnosis of the cancer is obviously of utmost importance, because it leads to a less extensive surgery, less complications and much better outcomes. All masses in the parotid gland should be carefully assessed and diagnosed, usually by performing a needle biopsy. In advanced cases, pain and facial paralysis can develop due to a parotid gland cancer. The most common symptom of salivary gland cancer, however, is a painless mass. Exposure to radiation is the most well-known cause of salivary gland cancer. This includes environmental exposure and radiation therapy for cancer of the head or neck. To ascertain the extent of the tumor, an MRI scan of the face and neck may be indicated as well.

Your doctor will be able to get a good idea about the activity of your thyroid gland by listening to your symptoms, asking you some questions and by examining your neck. However, by taking a small sample of your blood he or she can assess exactly your thyroid secretory state. On this single sample of blood, for example, the levels of the hormones involved can be measured in the laboratory. By this means it is possible to find out if too much or too little T4 and/or T3 is being secreted, and how active the pituitary is by measuring the TSH. A single blood test will normally confirm the diagnosis, but sometimes other tests are required.

Both versions are then enveloped in a relatively large glycoprotein complex called thyroglobulin and stored in the thyroid gland. To be released into the bloodstream for circulation throughout the body, the hormones are separated from thyroglobulin and bound to a much smaller globulin thyroxin-binding globulin or albumin. However, only % of thyroid hormone is "free" to be biologically active. Thyroid's action in the cell is to increase the biosynthesis of enzymes, resulting in heat production, oxygen consumption, and elevated metabolic rate. Thyroid stimulates the oxidation of fatty acids, and reduces cholesterol by oxidizing it into bile acids. Thyroid also stimulates enzymes for protein synthesis and, when present in excessive amounts, can catabolize (destroy) muscle protein. Estrogen causes food calories to be stored as fat. Thyroid hormone causes fat calories to be turned into usable energy. Thyroid hormone and estrogen have opposing actions. Estrogen inhibits thyroid action in the cells, interfering with the binding of thyroid to its receptor. Both hormones have phenol rings at a corner of their molecule. The respiratory enzymes of cells are thyroid-dependent. When thyroid function is low, cellular oxygen is low (cellular hypoxia). Thus, estrogen-induced thyroid interference contributes to less-than-optimal brain function. Excess estrogen may compete with thyroid hormone at the site of its receptor. In so doing, the thyroid hormone may never complete its mission, creating hypothyroid symptoms despite normal serum levels of thyroid hormone. Progesterone, on the other hand, increases the sensitivity of estrogen receptors for estrogen and yet, at the proper level, inhibits many of estrogen's side effects. GABA (gamma-aminobutyric acid) is an amino acid that acts as a neurotransmitter-inhibitor and tends to have a calming effect. When estrogen interferes with thyroid production and slows the metabolism of brain cells, it indirectly decreases GABA production and increases brain cell excitability, a factor in epilepsy.

What gland makes testosterone

what gland makes testosterone

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