Definitions

from The Century Dictionary and Cyclopedia

  • n. One of the guide-plates in the pedestal of a car-truck, serving to hold the axle-box, and permit it to move up and down under the changing tension of the springs; an axle-guard.

Etymologies

Sorry, no etymologies found.

Examples

  • A few figures bustled about on them, in helmets and horn-plate cuirasses that flung back the light as if metallic.

    Three Worlds To Conquer

  • In the middle of the dorsal surface of the embryo there is originally, as we already know, the medullary (mr) tube directly underneath the horn-plate (h), from the middle part of which it has been developed.

    The Evolution of Man — Volume 1

  • The broad dorsal furrow (Rf) formed by the medullary plate (m) is still wide open, but is divided from the lateral horn-plate (h) by the parallel medullary swellings, which eventually close.

    The Evolution of Man — Volume 1

  • (Figure 1.93 h) is now called the horn-plate or horn-layer, because from it is developed the whole of the outer skin or epidermis, with all its horny appendages (nails, hair, etc.).

    The Evolution of Man — Volume 1

  • In the horn-plate, at the spot where the mouth is found subsequently, a pit-like depression is formed, and this grows deeper and deeper, pushing towards the blind fore-end of the capital cavity; this is the mouth-pit.

    The Evolution of Man — Volume 1

  • From a dorsal lateral joint of the medullary tube (spc) the spinal ganglia (spg) grow out between it and the horn-plate. ch chorda, ao double aorta, hy gut-gland layer, sp gut-fibre layer, with blood-vessels in section, ms muscle plate, in the dorsal wall of the myocoel (episomite).

    The Evolution of Man — Volume 1

  • The edges of the medullary plate (m), the medullary swellings (w), which separate the medullary from the horn-plate (h), are bending towards each other.

    The Evolution of Man — Volume 1

  • The prorenal duct is visible in this gap even at the time of the severance of the medullary tube from the horn-plate.

    The Evolution of Man — Volume 1

  • Figure B the medullary tube (n) and the dorsal wall are closed, but the alimentary canal (a) and the ventral wall are open; the prorenal ducts (u) are cut off from the horn-plate (h) and internally connected with segmental prorenal canals.

    The Evolution of Man — Volume 1

  • Both are formed substantially from the skin-fibre layer, and externally covered with the horn-plate, the border section of the skin-sense layer.

    The Evolution of Man — Volume 1

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