Description: Douglas-fir trees, which are also called red firs, Oregon pines, and Douglas spruce, are neither true fir trees nor pines nor spruces! The scientific genus name Pseudotsuga means âfalse hemlock,â alluding to another kind of tree that Douglas-firs are similar too.Douglas-firs are evergreen trees, meaning that they keep their needle-like leaves year round.There are two varieties of this species, coast Douglas-fir and Rocky Mountain Douglas-fir, which are differentiated by their habitats, growth rates, and physical characteristics.he scientific genus name Pseudotsuga means âfalse hemlock,â alluding to another kind of tree that Douglas-firs are similar too. Douglas-firs are evergreen trees, meaning that they keep their needle-like leaves year round.
Chronic hives are defined as hives that last more than six weeks or hives that go away, but recur frequently. In most cases of chronic hives, a cause is never clearly identified. In some cases, chronic hives may be related to an underlying autoimmune disorder, such as thyroid disease or lupus.While the underlying cause of chronic hives is usually not identified, treatment can help with symptoms.ives and angioedema also occasionally occur in response to blood transfusions, immune system disorders such as lupus, some types of cancer such as lymphoma, certain thyroid conditions, and infections with bacteria or viruses such as hepatitis, HIV, cytomegalovirus or Epstein-Barr virus.
(Redirected from Thyroid Stimulating Immunoglobulin) Graves' disease, also known as toxic diffuse goiter, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyroid. Signs and symptoms of hyperthyroidism may include irritability, muscle weakness, sleeping problems, a fast heartbeat, poor tolerance of heat, diarrhea, and unintentional weight loss. Other symptoms may include thickening of the skin on the shins, known as pretibial myxedema,