单词	morphogen
释义	morphogen noun mor·​pho·​gen ˈmȯr-fə-jən  -ˌjen : a diffusible chemical substance that exerts control over morphogenesis especially by forming a gradient in concentration Example Sentences Recent Examples on the Web Each cell in the sheet is programmed to make three pairs of molecules — one pair for each morphogen. Quanta Magazine, 5 Apr. 2018 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Wired, 24 Mar. 2019 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Jordana Cepelewicz, WIRED, 24 Mar. 2019 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Wired, 24 Mar. 2019 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Jordana Cepelewicz, WIRED, 24 Mar. 2019 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Wired, 24 Mar. 2019 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Wired, 24 Mar. 2019 Signaling molecules called morphogens then diffuse through the embryonic tissues, eventually defining the formation of body parts. Wired, 24 Mar. 2019 See More Word History First Known Use 1950, in the meaning defined above Medical Definition morphogen noun mor·​pho·​gen ˈmȯr-fə-jən, -ˌjen  : a diffusible chemical substance that exerts control over morphogenesis especially by forming a gradient in concentration
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