What is a 'Defined-Benefit Plan'. A defined-benefit plan is a retirement plan that an employer sponsors, where employee benefits are computed using a formula that considers factors, such as length of employment and salary history. The company administers portfolio management and investment risk for the plan.
The distinction between neuropeptide and peptide hormone has to do with the cell types that release and respond to the molecule; neuropeptides are secreted from neuronal cells (primarily neurons but also glia for some peptides) and signal to neighboring cells (primarily neurons).oth neuropeptides and peptide hormones are synthesized by the same sets of enzymes, which include prohormone convertases and carboxypeptidases that selectively cleave the peptide precursor at specific processing sites to generate the bioactive peptides.
It is commonly known as T4, and your doctor can test the levels of thyroxine in your blood with a couple of simple blood tests. Thyroxine deficiencies can cause many problems, and the lack of the hormone thyroxine is known as hypothyroidism. That means the thyroid gland is not producing enough hormones.The alternative to hypothyroid is hyperthyroid, where the body is overproducing thyroxine.Both conditions cause mild to serious symptoms.t is commonly known as T4, and your doctor can test the levels of thyroxine in your blood with a couple of simple blood tests. Thyroxine deficiencies can cause many problems, and the lack of the hormone thyroxine is known as hypothyroidism. That means the thyroid gland is not producing enough hormones.