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The calcitonin gene related peptide (yellow) binds to its receptor (blue) on neurons and smooth muscle cells of cerebral blood vessels, activating a signal cascade through G-proteins (dark blue) in this cells that  leads to a dilatation of the blood vessels (vasodilatation). Blocking the CGRP receptor diminishes the quantity of migraine attacks.\
Kurashiki, Japan - May 24, 2013 : Station sign at the Kurashiki Station in Kurashiki, Okayama Prefecture, Japan. Sanyo Main Line and Hakubi Line are providing services in this station.
3D rendering of a Mechanical  Finite element analysis
Road sign on Austrian highway.
road sign with the crossroads to reach the Italian towns Bologna Florence and Genoa on the motorway
Muster Station in Brighton Marina, England. This is a sign or gathering point for people to go to in case of danger or emergency
Tsunami evacuation advisory sign
Road sign in Basel
Washington, DC - August 7, 2019: Sign for the Anacostia Riverwalk Trail located along the waterfront of Southwest District of Columbia USA
Tokyo, Japan - November 21, 2018 : Kinshicho Station in Sumida Ward, Tokyo, Japan. Chuo-Sobu Line and Sobu Line are providing services in this station.
Blue freeway sign over motorway A3 on a rainy day and traffic with motion blur, Germany.
Frankfurt, Germany - November 08, 2021: Road signs over German highway A661 nearby Frankfurt-Heddernheim. Some road users in the foreground. Bundesautobahn 661 (BAB 661 or A 661) is an Autobahn in Germany - it starts in Oberursel and goes along Frankfurt am Main and Offenbach am Main to its ending in Egelsbach.
GABA B receptors  are G protein-coupled receptors, also called metabotropic receptors.  Binding of  an agonist (here baclofen, red) leads to a G-protein coupled C-AMP signaling pathway. Source: PDB entries 7eb2, 6r3q,.
Road direction sign against Berlin communications tower
3D cartoon and Gaussian surface models, PDB 6gu2, white background
Directional sign hanging on a footbridge in Shibuya, Tokyo, Japan. I
Sign showing what lanes to get into on motorway in England for Luton and Stansted airports and to the North
Tokyo, Japan - May 27, 2023 : Ogikubo Station in Suginami, Tokyo, Japan. It operated by the JR East and the Tokyo Metro.
Kanagawa, Japan - January 14, 2024:  Destination sign displayed at Tomei Expressway in Japan
Sign for Tonggu Road near High-Tech Park in Shenzhen, China
Guangzhou, China- 6 Jun 2024: Liuersan road sign in Guangzhou, China.
Hannover, Germany - September 06, 2019: Traffic on the highway near Hannover in the morning.
A 3D rendering of Giant yellow road signs with answer ahead word
German highway A5, exit sign rest area
Road sign in Takachiho, Miyazaki Prefecture, Japan
Belt Parkway, Shore Parkway road traffic of Brooklyn in Kings County, NY
career / work-life balance concept - love it, change it or leave it
Directional arrow sign for Seaplane Terminal
Shanghai,China-September 18, 2019: Do not cross the road sign near the People's square in Shanghai, China
Vehicles travel along a rural road with traffic signs and speed limits, set against a backdrop of rolling hills and cloudy sky.
Free Images: "bestof:Toll-like receptor pathways revised.jpg Simple representation of the toll-like receptor pathways taken from my seminar powerpoint Revised to include TIRAP/Mal"
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