IVY n.
h. (Bot.) See Mountain laurel, under Mountain. -- Ivy owl (Zoöl.), the barn owl. -- Ivy tod (Bot.), the ivy plant. Tennyson. -- Japanese ivy (Bot.), a climbing plant (Ampelopsis tricuspidata), closely related to the Virginia creeper. -- Poison ivy (Bot.), an American woody creeper (Rhus Toxicodendron), with trifoli…
MANGE n.
, 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.
gy 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…