...This is the axial rod, or chorda dorsalis, also calledchorda vertebralis, vertebral cord, axial cord, dorsal cord,notochorda, or, briefly, chorda...
Ernst Haeckel 「The Evolution of Man」
...But it is only in the amphioxus and the cyclostoma thatthe axial rod retains its simplest form throughout life...
Ernst Haeckel 「The Evolution of Man」
...Underneath the axial rod or chorda runs a very simple alimentary canal, a tubethat opens on the ventral side of the animal by a mouth in front and anusbehind...
Ernst Haeckel 「The Evolution of Man」
...They do not begin to diverge until afterthe medullary tube and alimentary canal, and the axial rod with the musclesbetween the two, have been formed...
Ernst Haeckel 「The Evolution of Man」
...As in other mammals, we distinguish first between the axial ordorsal skeleton and the skeleton of the limbs...
Ernst Haeckel 「The Evolution of Man」
...It follows the long axis of the body inthe shape of a cylindrical axial rod of elastic but firm composition, equallypointed at both ends...
Ernst Haeckel 「The Evolution of Man」
...The bony skull (cranium), the head-part of the secondary axial skeleton,develops in just the same way as the vertebral column...
Ernst Haeckel 「The Evolution of Man」
...Thelight-beam upon Earth had been attacked by the Wandl control stationwithout axial rotation...
Raymond King Cummings 「Wandl the Invader」
...He already proposes to correct the former estimateof the sun's axial revolutions, derived from observing its spots,by the surer process of observing accelerated and retarded light...
Henry Warren 「Recreations in Astronomy」
...They change their apparent shape as the sun carriesthem across its disk by axial revolution, being narrow as theypresent their edges to us, and rounder as we look perpendicularlyinto them (Fig...
Henry Warren 「Recreations in Astronomy」
...The time of axial revolution which determines the length of theday varies with different planets...
Henry Warren 「Recreations in Astronomy」
...He also constructed a telescope with equatorealmounting, to follow a star by one axial motion...
George Forbes 「History of Astronomy」
...Then allthe emergent pencils now converge to a point on the axial line m M(produced beyond m), and an eye suitably placed can take in all ofthem at once...
Richard A. Proctor 「Half-hours with the Telescope」
...There was some discussion in Diogenes' time as to the author of thetheory of the earth's motion of axial rotation...
Dorothy Stimson 「The gradual acceptance of the Copernican theory of the universe」
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