Levothyroxine sodium is the monosodium salt of the levorotary isomer of thyroxine. Levothyroxine (T4) is a naturally occurring hormone produced by the thyroid gland and. converted to the more active hormone triiodothyronine (T3) in peripheral tissues. The. precise signals controlling the conversion of T4 to T3 within the cell are not known.
IPTV (Internet Protocol television) IPTV (Internet Protocol television) is a service that provides television programming and other video content using the TCP/IP protocol suite as opposed to traditional cable or satellite signals. Download this free guide.
Comparison of an amateur radio handheld transceiver, cell phone, and matchbox. A radiotelephone (or radiophone) is a communications system for transmission of speech over radio. Radiotelephone systems are not necessarily interconnected with the public land line telephone network. Radiotelephony means transmission of sound (audio) by radio, in contrast to radiotelegraphy (transmission of telegraph signals) or video transmission.