<P> A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs . It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue . It is mostly of endodermal origin and is continuous with the skin at various body openings such as the eyes , ears , inside the nose , inside the mouth , lip , the urethral opening and the anus . Some mucous membranes secrete mucus , a thick protective fluid . The function of the membrane is to stop pathogens and dirt from entering the body and to prevent bodily tissues from becoming dehydrated . </P>
<P> A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs . It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue . It is mostly of endodermal origin and is continuous with the skin at various body openings such as the eyes , ears , inside the nose , inside the mouth , lip , the urethral opening and the anus . Some mucous membranes secrete mucus , a thick protective fluid . The function of the membrane is to stop pathogens and dirt from entering the body and to prevent bodily tissues from becoming dehydrated . </P>
which layer of the alimentary canal produces mucous
which layer of the alimentary canal produces mucous
mucous membrane
mucous membrane