Mucous membrane

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Mucous membrane
Ens.png
LAYERS:
serosa
longitudinal muscle
myenteric plexus
circular muscle
submucosal plexus
submucosal
mucosal
Gray1033.png
Section of the human esophagus. Moderately magnified. The section is transverse and from near the middle of the gullet.
a. Fibrous covering.
b. Divided fibers of longitudinal muscular coat.
c. Transverse muscular fibers.
d. Submucous or areolar layer.
e. Muscularis mucosae.
f. Mucous membrane, with vessels and part of a lymphoid nodule.
g. Stratified epithelial lining.
h. Mucous gland.
i. Gland duct.
m’. Striated muscular fibers cut across.
Latin tunica mucosa
Gray's subject #242 1110
Dorlands/Elsevier t_22/12831913

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


The mucous membranes (or mucosae; singular: mucosa) are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line various body cavities that are exposed to the external environment and internal organs. It is at several places continuous with skin: at the nostrils, the lips, the ears, the genital area, and the anus. The sticky, thick fluid secreted by the mucous membranes and gland is termed mucus. The term mucous membrane refers to where they are found in the body and not every mucous membrane secretes mucus.

Body cavities featuring mucous membrane include most of the respiratory system. The glans penis (head of the penis) and glans clitoridis and the inside of the prepuce (foreskin) and clitoral hood are mucous membranes, not skin.

Components

Types of mucosa (incomplete)

Additional images

See also

External links

ca:Mucosa

cs:Sliznice da:Slimhinde de:Schleimhauteo:Mukozo fa:غشاء مخاطیid:Membran mukosa it:Mucosa la:Mucosa lt:Gleivinė nl:Slijmvliesno:Slimhinnefi:Limakalvo sv:Slemhinnauk:Слизова оболонка



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