(botany) A vascular system in which development starts in the regions farthest from the axis and spreads inward.
The jurisdiction of an exarch (any definition); an exarchate.
hydroxy
hydroxy
adj
(chemistry) Being, or containing a hydroxyl radical.
noun
(informal, pharmacology) Clipping of hydroxychloroquine.
hyraxes
hystrix
hystrix
noun
(pathology) ichthyosis hystrix
pharynx
pharynx
noun
(anatomy) The part of the alimentary canal and respiratory tract that extends from the back of the mouth and nasal cavity to the larynx and esophagus.
(zootomy) The part of the alimentary canal immediately behind the mouth in invertebrates that may be thickened and muscular, eversible and toothed, or adapted as a suctorial organ.