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- The majority of boys was in mesomorph and ectomorph. 男孩大多屬中、外胚層體型；
- Of or relating to an ectomorph. 瘦型體質者的或與之有關的
- "ectomorph:an individual having a lean, slightly muscular body build in which tissues derived from the embryonic ectoderm predominate." 瘦型體質者:由胚胎胚層發育而成的組織形成的瘦型的、肌肉不發達的人.
- ectomorphn. 瘦長而肌肉不發達的人
- ectomorphy 瘦型體質
- ectomorphy type 外胚葉型
