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trabeculae

trabeculae Sentence Examples

  • Sperm sacs generally occupying a good many segments and with simple interior undivided by a network of trabeculae.

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  • Sperm sacs generally limited to one or two segments with interior subdivided by trabeculae.

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  • Within the trabeculae of the sponge-work blood circulates, and between the trabeculae the water passes,.

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  • The structure of the corpora cavernosa consists of a strong fibrous coat, the tunica albuginea, from the deep surface of which numerous fibrous trabeculae penetrate the interior and divide it into a number of spaces which are lined with endothelium and communicate with the veins.

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  • It is not clear from Welch's account what is the cause of the whiteness of the tips of the hairs of the autumn coat, but his figures suggest that it is due to the development of gas in the interspaces between the keratin bridges and trabeculae of the hairs.

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  • In others the peripheral ends of the septa are united only by bars or trabeculae, so that the theca is perforate, and in many such perforate corals the septa themselves are pierced by numerous perforations.

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  • Space forbids a discussion of the proposals to classify corals after the minute structure of their coralla, but it will suffice to say that it has been shown that the septa of all corals are built up of a number of curved bars called trabeculae, each of which is composed of a number of nodes.

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  • In many secondary corals (Cyclolites, Thamnastraea) the trabeculae are so far separate that the individual bars are easily recognizable, and each looks something like a bamboo owing to the thickening of the two ends of each node.

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  • The trabeculae are united together by these thickened internodes, and the result is a fenestrated septum, which in older septa may become solid and aporose by continual deposit of calcite in the fenestrae.

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  • The septa of modern perforate corals are shown to have a structure nearly identical with that of the secondary forms, but the trabeculae and their nodes are only apparent on microscopical examination.

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  • The aporose corals, too, have a practically identical structure, their compactness being due to the union of the trabeculae throughout their entire lengths instead of at intervals, as in the Perforata.

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  • Further, the trabeculae may be evenly spaced throughout the septum, or may be grouped together, and this feature is probably of value in estimating the affinities of corals.

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  • The tapetum is derived from the layer of cells surrounding the sporogenous group. Short trabeculae of sterile tissue have been found to project into the cavity of the sporangium of some species.

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  • The cells of the endodermis are developed as trabeculae, which traverse the continuous air-space surrounding each stele.

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  • The cavities of the large sporangia were sometimes traversed by trabeculae of sterile tissue resembling those found in Isoetes.

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  • The cells composing the young sporangium are at first similar, but ultimately become differentiated into sterile trabeculae, which may stretch from the inner to the outer wall, and the mother-cells of the spores.

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  • The tapetal layer is partly formed from the sporangial wall and partly as a layer covering the trabeculae.

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  • honeycombed appearance because it is laced with trabeculae that greatly increase surface area.

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  • Cancellous Bone Cancellous bone has large open spaces (marrow spaces) and plates of bone called trabeculae.

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  • Sperm sacs generally occupying a good many segments and with simple interior undivided by a network of trabeculae.

    0
    0
  • Sperm sacs generally limited to one or two segments with interior subdivided by trabeculae.

    0
    0
  • Within the trabeculae of the sponge-work blood circulates, and between the trabeculae the water passes,.

    0
    0
  • The structure of the corpora cavernosa consists of a strong fibrous coat, the tunica albuginea, from the deep surface of which numerous fibrous trabeculae penetrate the interior and divide it into a number of spaces which are lined with endothelium and communicate with the veins.

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    0
  • The structure of the corpus spongiosum and glans resembles that of the corpora cavernosa, but the trabeculae are finer and the network closer.

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  • It is not clear from Welch's account what is the cause of the whiteness of the tips of the hairs of the autumn coat, but his figures suggest that it is due to the development of gas in the interspaces between the keratin bridges and trabeculae of the hairs.

    0
    0
  • In others the peripheral ends of the septa are united only by bars or trabeculae, so that the theca is perforate, and in many such perforate corals the septa themselves are pierced by numerous perforations.

    0
    0
  • Space forbids a discussion of the proposals to classify corals after the minute structure of their coralla, but it will suffice to say that it has been shown that the septa of all corals are built up of a number of curved bars called trabeculae, each of which is composed of a number of nodes.

    0
    0
  • In many secondary corals (Cyclolites, Thamnastraea) the trabeculae are so far separate that the individual bars are easily recognizable, and each looks something like a bamboo owing to the thickening of the two ends of each node.

    0
    0
  • The trabeculae are united together by these thickened internodes, and the result is a fenestrated septum, which in older septa may become solid and aporose by continual deposit of calcite in the fenestrae.

    0
    0
  • The septa of modern perforate corals are shown to have a structure nearly identical with that of the secondary forms, but the trabeculae and their nodes are only apparent on microscopical examination.

    0
    0
  • The aporose corals, too, have a practically identical structure, their compactness being due to the union of the trabeculae throughout their entire lengths instead of at intervals, as in the Perforata.

    0
    0
  • Further, the trabeculae may be evenly spaced throughout the septum, or may be grouped together, and this feature is probably of value in estimating the affinities of corals.

    0
    0
  • The tapetum is derived from the layer of cells surrounding the sporogenous group. Short trabeculae of sterile tissue have been found to project into the cavity of the sporangium of some species.

    0
    0
  • The cells of the endodermis are developed as trabeculae, which traverse the continuous air-space surrounding each stele.

    0
    0
  • The cavities of the large sporangia were sometimes traversed by trabeculae of sterile tissue resembling those found in Isoetes.

    0
    0
  • The cells composing the young sporangium are at first similar, but ultimately become differentiated into sterile trabeculae, which may stretch from the inner to the outer wall, and the mother-cells of the spores.

    0
    0
  • The tapetal layer is partly formed from the sporangial wall and partly as a layer covering the trabeculae.

    0
    0
  • Cancellous Bone Cancellous bone has large open spaces (marrow spaces) and plates of bone called trabeculae.

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    0
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