• Thumbnail for Sclereid
    Sclereids are a reduced form of sclerenchyma cells with highly thickened, lignified cellular walls that form small bundles of durable layers of tissue...
    6 KB (715 words) - 08:00, 30 December 2023
  • Thumbnail for Ground tissue
    in plants. Two types of sclerenchyma cells exist: fibers cellular and sclereids. Their cell walls consist of cellulose, hemicellulose, and lignin. Sclerenchyma...
    15 KB (1,872 words) - 01:40, 11 August 2024
  • Thumbnail for Plant cell
    Consequently, sclereids and fibres are typically dead at functional maturity, and the cytoplasm is missing, leaving an empty central cavity. Sclereids or stone...
    19 KB (2,224 words) - 04:45, 3 January 2024
  • sclerenchyma A strengthening or supporting tissue composed of sclereids or of a mixture of sclereids and fibers. sclerophyll A plant with hard, stiff leaves;...
    344 KB (29,067 words) - 06:57, 11 October 2024
  • Thumbnail for Lignin
    in vascular and support tissues: xylem tracheids, vessel elements and sclereid cells.[citation needed] Lignin plays a crucial part in conducting water...
    34 KB (3,819 words) - 21:41, 14 July 2024
  • Thumbnail for Tissue (biology)
    are also known as a stone cells or sclereids. These tissues are mainly of two types: sclerenchyma fiber and sclereids. Sclerenchyma fiber cells have a narrow...
    24 KB (3,035 words) - 20:28, 9 October 2024
  • Thumbnail for Cell wall
    helicoidal. Cells with secondary cell walls can be rigid, as in the gritty sclereid cells in pear and quince fruit. Cell to cell communication is possible...
    43 KB (4,780 words) - 21:43, 11 September 2024
  • calcareous sponge in the family Grantiidae. The sponge lives in the sea and its sclereid consists of calcium carbonate.[clarification needed] The scientific name...
    1 KB (128 words) - 18:52, 27 February 2022
  • Thumbnail for Phloem
    Phloem (section Sclereids)
    cells and unspecialized cells and supportive cells, such as fibres and sclereids. Sieve tube elements are the type of cell that are responsible for transporting...
    19 KB (2,317 words) - 00:51, 24 September 2024
  • Thumbnail for Cornaceae
    Hironoia precludes assignment to an extant genus, the fiber rather than sclereid composition of the fruit places it within the Nyssaceae-Mastixiaceae. Other...
    5 KB (593 words) - 22:39, 28 August 2024
  • such as abnormally thick-walled dead cells (e.g., xylary elements and sclereids) and thin-walled living cells. These cells differentiate in specific patterns...
    43 KB (4,969 words) - 17:37, 26 September 2024
  • σκληρός (sklērós), σκληρότης (sklērótēs) sclera, sclerectomy, scleredema, sclereid, sclerema, sclerenchyma, sclerite, scleritis, scleroderma, sclerophyll...
    2 KB (1,764 words) - 06:15, 16 April 2024
  • Thumbnail for Seed
    and germination. Amongst the barriers may be the presence of lignified sclereids. The outer integument has a number of layers, generally between four and...
    76 KB (9,448 words) - 01:57, 30 September 2024
  • Thumbnail for Aerenchyma
    Martínez-Torre, Cristina (2020). "Plant material (aeriferous parenchyma and sclereid cells) mimicking mucormycosis in sputum cytology". Diagnostic Cytopathology...
    5 KB (651 words) - 18:59, 4 June 2024
  • in botany, a process which hardens plant tissue by adding fibers and sclereids, resulting in sclerenchyma in economics, eurosclerosis This disambiguation...
    607 bytes (90 words) - 11:50, 25 September 2024
  • Thumbnail for Pentapetalae
    "psyllulate" pollen or with a granular structure of the exine, the presence of sclereids in the leaves, the isomerism of the androcecium and the fused carpels...
    33 KB (3,326 words) - 04:07, 8 April 2024
  • Thumbnail for Nymphaeaceae
    frequent presence of latex, usually with distinct, stellate-branched sclereids projecting into the air canals. Hairs are simple, usually producing mucilage...
    26 KB (2,685 words) - 22:02, 4 October 2024
  • Thumbnail for Lyginopteris
    Carboniferous seed fern stems with a very distinctive outer cortex of sclereids forming a pattern in cross section like Roman numerals on a clock face...
    2 KB (100 words) - 17:38, 14 October 2022
  • they grow to as long as 1 cm (0.4 inches). Trichosclereids are a type of sclereids that can be found in olive leaves and the aerial roots of the Swiss cheese...
    964 bytes (104 words) - 22:11, 3 March 2024
  • more difficult by the additional presence of specialized cells known as sclereids, which have thick cell walls that provide extra support and strength to...
    30 KB (3,296 words) - 22:01, 12 October 2024
  • Thumbnail for Idioblast
    In multiples they are known as sclereids. A singular sclerenchymatous idioblast is less common than the grouped sclereids. Their development and differentiation...
    7 KB (838 words) - 03:27, 12 July 2024
  • σκληρός (sklērós), σκληρότης (sklērótēs) sclera, sclerectomy, scleredema, sclereid, sclerema, sclerenchyma, sclerite, scleritis, scleroderma, sclerophyll...
    52 KB (369 words) - 05:02, 10 May 2024
  • Thumbnail for Proteaceae
    trilacunar nodes with three leaf traces (rarely unilacunar with one trace), sclereids frequent; bark with lenticels frequently horizontally enlarged, cork cambium...
    36 KB (4,144 words) - 01:24, 24 September 2024
  • Comparatively to other Coffea species, C. charrieriana lacks sclereids in its seed coat; the absence of sclereids is seen in plants of the genus Psilanthus and other...
    21 KB (2,804 words) - 21:05, 29 July 2024
  • Thumbnail for Tsuga chinensis
    in colour. It is fibrous in texture with minute, almost inconspicuous sclereid, or stone cell groups. The cambium as well as the newly formed phloem are...
    9 KB (1,288 words) - 14:04, 9 June 2024
  • Thumbnail for Araucaria mirabilis
    base. The sclerotesta (the "shell") also exhibits a zigzag pattern of sclereids. The fossilized seeds are exquisitely preserved, showing both mature and...
    21 KB (2,241 words) - 15:28, 3 April 2024
  • Thumbnail for Isopogon anethifolius
     anethifolius differs from some of its genus by its irregular misshapen sclereids (thick-walled cells that make up part of the ground tissue) and contorted...
    22 KB (2,191 words) - 06:30, 19 September 2024
  • Thumbnail for Ochnaceae
    The seed coat often includes a layer of cristarque cells. These are sclereids, each containing calcium oxalate crystals in the form of a druse. Until...
    68 KB (5,897 words) - 21:37, 17 April 2024
  • Thumbnail for Quercus hiholensis
    (1⁄16 in) further. The cupule has patches of sclereids scattered through it with some of the sclereids that are associated with scale bases organized...
    7 KB (875 words) - 04:54, 3 January 2024
  • Thumbnail for Telopea mongaensis
    Later, microscopic analysis revealed that T. oreades had features termed sclereids while T. mongaensis did not. A disjunct northern population of Telopea...
    13 KB (1,651 words) - 06:25, 29 November 2023