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.
Usually, the virus is first eliminated in the feces on day 3 and the shedding continues for another 10 days. After 10 to 14 days, the dog might stop shedding the virus making it undetectable in the feces. Rarely, clinically infected dogs shed the virus periodically.