Demodicosis, also called red mange or demodex, is a skin disease caused by Demodex canis, a cigar-shaped microscopic mite that is a normal inhabitant of canine skin and found on most healthy dogs. The mite infests hair follicles and occasionally the sebaceous glands of the skin.ange is a generic term that describes a hair loss and skin condition caused by microscopic parasite s, called mites that live on or in the skin.
A crista (/ËkrÉªstÉ/ , pl. cristae cristÃ¦ and) cristae is a fold in the inner membrane of a. mitochondrionristae are studded with proteins, including ATP synthase and a variety of cytochromes. With the discovery of the dual membrane nature of mitochondria, the pioneers of mitochondrial ultrastructural research proposed different models for the organization of the mitochondrial inner membrane.
The ridge in the upper part of the picture is the high pressure of the upper esophageal sphincter which only opens for a short time to let water pass. Peristalsis is a radially symmetrical contraction and relaxation of muscles that propagates in a wave down a tube, in an anterograde direction.he large intestine does not use peristalsis to propel its contents, but general contractions. These occur one to three times per day in the large intestines and colon, and propel the chyme from the large intestine through the colon to the rectum.