- hypophospholipidaemia
 - hypoparathyroidism
 - hypozeugma
 - hyperbaton
 - hypallage
 - hypozeuxis
 - hypofaminine
 - hendiadys
 - hypodermic solution tablet
 - hypodermic tablet
 - hypogastric
 - hypogastric region
 - hypoglossal canal
 - hypoglossal triad
 - hypoglobulinaemia
 - hypogastrium
 - hypoglycaemic coma
 - hypogonad obesity
 - hypophyseal_portal system
 - hypopigmented type
 - hypostatic
 - hypostatic pneumonia
 - hyaluronidase
 - heterosis
 - hybridization in situ
 - hypospray
 - hydracids
 - hybridoma
 - hydatidiform
 - hydragogue purgative
 - hydrencephalocele
 - hydraulic depth
 - hydroferricyanic acid
 - hydrocystadenoma
 - hydrocolloid
 - hfc
 - hydrogen transfer
 - hydrogogue
 - hydroperitoneum
 - hornwort
 - hydropic
 - hydroxyl ion concentration
 - hydroscopicity
 - hydrokinetic
 - Hyaena hyaena
 - hydroxyisobutyric acid
 - Hyaena brunnea
 - hyomandibular cleft
 - hyeroodon rostratus
 - hyomandibular