signalling apparatus
81Second Intifada — Part of the Israeli–Palestinian conflict and Arab–Israeli conflict Clockwise from above: A masked P …
82Williamstown Lighthouse — Infobox lighthouse|name=Williamstown Lighthouse location=Victoria, Australia caption=Timeball tower. coordinates = yearbuilt=Wooden Tower 1840; 1st Bluestone 1849; 2nd Bluestone 1934 yearlit= yeardeactivated=Wooden Tower 1849; 1st Bluestone 1859; …
83Smooth muscle tissue — Smooth muscle …
84Language — This article is about the properties of language in general. For other uses, see Language (disambiguation). Cuneiform is one of the first known forms of written language, but spoken language is believed to predate writing by tens of thousands of… …
85Pain — This article is about physical pain. For pain in the broader sense, see Suffering. For other uses, see Pain (disambiguation). Pain A sports player in pain. ICD 10 R52 …
86Signal transduction — In biology, signal transduction refers to any process by which a cell converts one kind of signal or stimulus into another. Most processes of signal transduction involve ordered sequences of biochemical reactions inside the cell, which are… …
87Telephone — The telephone (from the el. τῆλε, tēle , far and φωνή, phōnē , voice ) is a telecommunications device that is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more. It is one of… …
88Embryology — 1 morula, 2 blastula 1 blastula, 2 gastrula with blastopor …
89Semaphore line — This article is about the communication system using towers with pivoting shutters. For other uses, see Semaphore (disambiguation). For the now closed railway in Adelaide, Australia, see Semaphore railway line, Adelaide. A Chappe telegraph at… …
90Somerset and Dorset Joint Railway — Overview Type Heavy rail Status Disused Locale …
