(especially of the cuticle of an arthropod) hardened by the presence of substances other than chitin, as by scleroproteins, waxes, or calcium salts.
noun 1. Embryology. the part of a mesodermal somite contributing to the development of the vertebrae and ribs. 2. Surgery. an instrument for use in performing a sclerotomy. 3. Zoology. a fibrous partition separating successive myotomes. sclerotome scle·ro·tome (sklēr’ə-tōm’) n. A knife used in sclerotomy. A group of mesenchymal cells emerging from the ventromedial part […]
noun, plural sclerotomies. Surgery. 1. incision into the sclera, as to extract foreign bodies. noun (pl) -mies 1. surgical incision into the sclera sclerotomy scle·rot·o·my (sklə-rŏt’ə-mē) n. Incision through the sclera of the eye.
sclerotylosis scle·ro·ty·lo·sis (sklēr’ō-tī-lō’sĭs) n. An inherited disorder associated with gastrointestinal cancer and marked by atrophic fibrosis of the skin, hypoplasia of the nails, and palmoplantar keratoderma. Also called scleroatrophy.
adjective 1. hard; firm; bony. adjective 1. (anatomy, pathol) hard; bony; indurated sclerous scle·rous (sklēr’əs, sklěr’-) adj. Scleroid.