PROBLEM TO BE SOLVED: To calculate highly accurately an index related to a blood pressure of an organism.SOLUTION: An organism analyzer includes an average blood pressure calculation part for calculating an average blood pressure index related to an average blood pressure of an organism, corresponding to a blood vessel diameter index related to a blood vessel diameter of the organism, and to a blood stream index related to a blood stream of the organism, calculated from an intensity spectrum related to a frequency of light reflected and received by the inside of the organism by irradiation of a laser beam.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2020,JPO&INPIT【課題】生体の血圧に関する指標を高精度に算定する。【解決手段】生体の血管径に関する血管径指標と、レーザー光の照射により前記生体の内部で反射して受光された光の周波数に関する強度スペクトルから算定され、前記生体の血流量に関する血流量指標とに応じて、前記生体の平均血圧に関する平均血圧指標を算定する平均血圧算定部を具備する生体解析装置。【選択図】図５
