[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2025-jitchi-9":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":9,"body":10,"choices":11,"correct_indices":28,"explanation":29,"has_explanation":21,"tags":30},"2025-jitchi-9",2025,3,"実地","jitchi",9,"図は人工授精のために採取された犬の精液である。精子量が多く含まれている順はどれか。",[12,16,19,22,25],{"index":13,"body":14,"is_correct":15},1,"ア＞イ＞ウ",false,{"index":17,"body":18,"is_correct":15},2,"ア＞ウ＞イ",{"index":6,"body":20,"is_correct":21},"イ＞ウ＞ア",true,{"index":23,"body":24,"is_correct":15},4,"ウ＞ア＞イ",{"index":26,"body":27,"is_correct":15},5,"ウ＞イ＞ア",[6],"正答は3（イ＞ウ＞ア）。犬の射精液は3つの分画に分かれ、第1分画は前立腺液主体で精子が少なく、精子が最も多いのは第2分画、第3分画は再び前立腺液が主体。図では精子量の多い順がイ＞ウ＞ア。この精子密度の関係に合わない1・2・4・5は誤り。よってイ＞ウ＞ア。**覚え方**: 犬の精液は3分画。精子が濃いのは真ん中（第2分画）。前後は前立腺液が主体で精子が薄い。",null]