from The Century Dictionary.

  • noun A sclerous or scleroskeletal structure intervening between successive myotomes; a division or partition of muscles by means of intervening sclerous tissue, as occurs in the muscles of the trunk of various amphibians and fishes.
  • noun A knife used in incising the sclerotic.
  • noun That portion of the meta-merically segmented mesoderm of the vertebrate embryo which gives rise to the sustentacular or supporting structures, such as the bony, cartilaginous, and connective-tissue skeleton.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) One of the bony, cartilaginous, or membranous partitions which separate the myotomes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun surgery A knife used in sclerotomy
  • noun anatomy A segmented mass of mesenchymal tissue, in a somite, that develops into the ribs


Sorry, no etymologies found.


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  • In each of the provertebrae it is called the "sclerotome" (in opposition to the outlying muscular plate, the "myotome").

    The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

  • The cells of the segment become differentiated into three groups, which form respectively the cutis-plate or dermatome, the muscle-plate or myotome, and the sclerotome (Fig. 64).

    II. Osteology. 1. Development of the Skeleton 1918

  • The cells of the sclerotome are largely derived from those forming the core of the myocœl, and lie next the notochord.

    II. Osteology. 1. Development of the Skeleton 1918

  • The lower or ventral part of each sclerotome (the inner and lower edge of the cube-shaped provertebra) divides into two plates, which grow round the chorda, and thus form the foundation of the body of the vertebra

    The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

  • _transfixio iridis_ of Fuchs; Antonelli's peripheral iritomy; Holth's formation of a cystoid cicatrix; Hern's operation; Terson's sclero-iridectomy; Abadie's ciliarotomy; Ballantyne's incarceration of iris method; Masselon's small equatorial sclerotomy; Simi's equatorial sclerotomy; Galezowski's sclero-choriotomy; excision of the cervical ganglion; removal of the ciliary ganglion; Querenghi's operation of sclero-choriotomy; Bettremieux's simple anterior sclerectomy; Heine's cyclodialysis; Herbert's wedge-isolation operation; Verhoeff's operation with a special sclerotome; Holth's sclerectomy with a punch-forceps;

    Glaucoma A Symposium Presented at a Meeting of the Chicago Ophthalmological Society, November 17, 1913 Various


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