HOLY a.
of the United States. Called also vanilla, or Seneca, grass. -- Holy Innocents' day, Childermas day. -- Holy Land, Palestine, the birthplace of Christianity. -- Holy office, the Inquisition. -- Holy of holies (Script.), the innermost apartment of the Jewish tabernacle or temple, where the ark was kept, and where no…
KERATIN n.
containing sulphur in a loose state of combination, and forming the chemical basis of epidermal tissues, such as horn, hair, feathers, and the like. It is an insoluble substance, and, unlike elastin, is not dissolved even by gastric or pancreatic juice. By decomposition with sulphuric acid it yields leucin and tyrosin…
MANGE n.
dogs, and other animals, causing the mange. The mange insect of the horse (Psoroptes, or Dermatodectes, equi), and that of cattle (Symbiotes, or Dermatophagys, bovis) are the most important species. See Acarina.
MEDULLARY a.
pith; pithy. Medullary groove (Anat.), a groove, in the epiblast of the vertebrate blastoderm, the edges of which unite, making a tube (the medullary canal) from which the brain and spinal cord are developed. -- Medullary rays (Bot.), the rays of cellular tissue seen in a transverse section of exogenous wood, which p…