响尾蛇属：响尾蛇科(Crotalidae)之一属。林响尾蛇(C.horridus)常见于美国东部；衲脊响尾蛇(C.adamanteus)见于乔治亚州、亚拉巴马州、弗罗里达州，蛇背有菱形花纹；大响尾蛇(C.atrox)见于美国西南诸州西部和邻近墨西哥地区；绿响尾蛇(C.viridis)见于北美大草原- holoprosencephaly
- holorachischisis
- holosaccharide
- holoschisis
- holosystolic
- holothurin
- Holothyrus
- holotonia
- holotonic
- holotopy
- holotrichous
- holotype
- holoxenic
- holozoic
- holozymase
- Holten's test
- Holthouse's hernia
- Holth's operation
- Holzknecht's space
- homalocephalus
- homaluria
- Homans'sign
- Homapin
- homarine
- homatropine