dorsoventral

(redirected from dorsiventral)
Also found in: Dictionary, Medical, Wikipedia.
  • adj

Words related to dorsoventral

extending from the back to the belly

Related Words

References in periodicals archive ?
Mesophyll was dorsiventral, with 1-2 layers of palisade parenchyma.
Once dorsiventral and proximodistal domains have been established, the induction of marginal growth and complexity (in compound leaves) begins.
The rhizome, which exhibits dorsiventral symmetry, is attached to a few fragmentary fronds, which have a herbaceous texture, and are provided on both sides of the laminae, rachis, costae, and margins with cylindrical, castaneous setae, 1.
Dorsiventral nutlet orientation is the most common and plesiomorphic state (Kukenthal, 1935-1936; Goetghebeur, 1998; Muasya et al.
They proposed that the dorsiventral stele anatomy of this group might have evolved from the radial dictyostele typical of Asplenium by elongation of the rhizome, probably as an adaptation to the petrophytic habitat.
The groups of terminal cauloids, however, became dorsiventral in symmetry; the cauloids within each cluster fused together, thus forming a flat plate or leaf blade in which the existence of the constituent cauloids was indicated only by the dichotomous venation.
In all four species the vascular cylinder is dorsiventral with leaf gaps closely placed at the dorsal surface so that the successive ones of the two rows overlap conspicuously.
Leaves are nearly always dorsiventral and hence rarely useful systematically, but the sharpness of differentiation varies from absent (Gymnostachys), to weak, to strong throughout the family.
1H) appears dorsiventral as was reported for Lycopodiella carolinianum by Bruce (Amer.
The four primary morphoanatomical leaf types of the genus are: flat and hipostomatous; flat and amphistomatous; boat shaped, inverse dorsiventral, and epistomatous; and acicular-involute and subcentric, with stomata confined to the bottom of a hairy, narrow groove in the adaxial side (i.
Pollen strobili compound, terminal, in groups of 1-5, erect, quickly becoming pendulous, 3-7(-12) cm long; microsporophylls 8-10, dorsiventral, peltate, hyposporangiate, each bearing 3-5(-8) sporangia.