Значения термина rachis на английском

The ovicells arise from the back of the rachis towards the side.

Ovicell pedunculate ovoid, adnate to the rachis, with a lateral opening.

Barbs showed a lower denaturation temperature than rachis and calamus.

The feathers lacked the well-developed central shaft - a rachis - known from modern birds.

Mutation of the gene blocks the differentiation of spikelets and makes rachis branches develop unlimitedly.

Strong bush, 10-20 ft., with leaf-rachis strongly winged, the foliage pinnately compound.

They are placed all on one side of the rachis, generally in single file, but sometimes in pairs.

Nephrodium molle: circumnutation of rachis, traced from 9.15 A.M. May 28th to 9 A.M. 29th.

Rostrum, arising from the rachis, as long as the cell, slender, tubular, adnate; lateral processes very small, ovarian receptacles -

The number of rachis nodes (spikelets) on a wheat spike is a component of grain yield that correlates with flowering time.

Their structure suggested that the two finest tiers of branching in modern feathers, known as barbs and barbules, arose before the rachis formed.

I. that a frond of this Fern, as yet only slightly lobed and with a rachis only .23 inch in height, plainly circumnutated.

The ovicells are placed in a single series on one side of the rachis, as in S. digitalis, but are widely different in form.

Colour bright brown, rachis shining, very dark brown; polypidom about six inches high, simply pinnulate, pinnules about half an inch; thickly and regularly disposed, alternate.

The rachis of the bracken fern (Pteris aquilina), and of some, probably many, other ferns, likewise rises above ground under the form of an arch.

Two QTL controlling primary rachis branches were identified and they were co-located with 2 of the 3 QTL for vascular bundles respectively.