Swelling of the lymph glands is typically a result of local or widespread inflammation, but sometimes enlarged lymph nodes are due to cancer. Swollen lymph glands are referred to as lymphadenopathy. Inflammation of a lymph node is referred to as lymphadenitis. Symptoms of swollen lymph nodes include. 1  localized pain, 2  swelling, 3  tenderness,  warmth in the involved area.
The Latin root word luc means light, bight. Lucent gives means shining, as in: âThe Queen laughed, and looked at him again with lucent eyes. Transluscent is made of trans + lucent and refers to something that is, essentially, see through.
The speed of light in vacuum is usually denoted by a lowercase c, for constant or the Latin celeritas (meaning swiftness, celerity). Historically, the symbol V was used as an alternative symbol for the speed of light, introduced by James Clerk Maxwell in 1865.