VASOCONSTRICTOR CENTERS
\vˈasəkˌɒnstɹɪktə sˈɛntəz], \vˈasəkˌɒnstɹɪktə sˈɛntəz], \v_ˈa_s_ə_k_ˌɒ_n_s_t_ɹ_ɪ_k_t_ə s_ˈɛ_n_t_ə_z]\
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Centers in the spinal cord, excitation of which causes constriction of the smaller blood vessels. The principal vasoconstrictor centeris a bilateral group of cells, situated in the medulla oblongata and the pons Varolii, from just below the corpus quadrigemina to 3 to 4 mm. above the point of the calamus scriptorius.
By Smith Ely Jelliffe
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