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11 Cards in this Set
- Front
- Back
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important of thyroid hormone in development
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bone growth (long bones) and CNS maturation
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parafollicular cells secrete
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calcitonin
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function of thyroid cells
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transport iodine into the colloid
synthesize thyroglobulin release thyroid hormone |
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sodium-iodide transporter
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transports iodide into thyroid follicular cells
requires Na/K ATPase to supply gradient |
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thyroid peroxidase
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converts iodide (I-) to iodine
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2 DIT =
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T4 hormone
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1 DIT + 1 MIT
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T3 hormone
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why is proteolysis important for thyroid hormone
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required to release T3 and T4
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most T3 is made
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in the periphery - converted from T4
T4 is not biologically active until converted to T3 |
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thyroid hormone transport in plasma
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thyroxine binding globulin binds the most
transthyretin albumin high density lipoproteins |
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where are thyroid receptors located in the cell
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nucleus
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