a lubricating membrane lining an internal surface or an organ, as the alimentary, respiratory, and genitourinary canals.
a mucus-secreting membrane that lines body cavities or passages that are open to the external environment Also called mucosa
mucous membrane n.
A membrane lining all body passages that communicate with the exterior, such as the respiratory, genitourinary, and alimentary tracts, and having cells and associated glands that secrete mucus. Also called mucosa.
Any of the membranes lining the passages of the body, such as the respiratory and digestive tracts, that open to the outside. Cells in the mucous membranes secrete mucus, which lubricates the membranes and protects against infection.
mucous membrane [(myooh-kuhs)]
The membrane that lines passageways and cavities in the body that lead to the outside, such as the mouth, gastrointestinal tract, nose, vagina, and urethra. These membranes are equipped with glands that secrete mucus.
- Mucous plug
mucous plug n. A mass of mucus and cells filling the cervical canal between menstrual periods or during pregnancy.
[myoo-koh-vis-i-doh-sis] /ˌmyu koʊˌvɪs ɪˈdoʊ sɪs/ noun, Pathology. 1. . mucoviscidosis mu·co·vis·ci·do·sis (myōō’kō-vĭs’ĭ-dō’sĭs) n. See cystic fibrosis.
[myoo-kroh] /ˈmyu kroʊ/ noun, plural mucrones [myoo-kroh-neez] /myuˈkroʊ niz/ (Show IPA). Botany, Zoology. 1. a short point projecting abruptly, as at the end of a leaf. /ˈmjuːkrəʊ/ noun (pl) mucrones (mjuːˈkrəʊniːz) 1. (biology) a short pointed projection from certain parts or organs, as from the tip of a leaf
[myoo-kroh-nit, -neyt] /ˈmyu kroʊ nɪt, -ˌneɪt/ adjective, Botany, Zoology. 1. having an abruptly projecting point, as a feather or leaf. /ˈmjuːkrəʊnɪt; -ˌneɪt/ adjective 1. terminating in a sharp point