Definition of TORUS. 1. : a large molding of convex profile commonly occurring as the lowest molding in the base of a column.2. : the thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity.3.efinition of TORUS. 1. : a large molding of convex profile commonly occurring as the lowest molding in the base of a column. 2. : the thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity. 3.
Artranq/iStock/Getty Images. Outdoor dogs generally shed most in April and May and have a second shedding season before winter, in August, September or October, depending on the climate. Some dogs blow their coat in a fairly rapid, massive shedding and others shed more gradually.
Breeds that shed less are more likely to be hypoallergenic, since the dog's dander and saliva stick to the hair and are not released into the environment. However, protein expression levels play a major role and amount of shedding alone does not determine degree of allergic reaction.