serosa

(noun)

A membrane that lines an internal cavity to protect the contents and secretes serum.

Related Terms

  • pleural cavity
  • coelom

Examples of serosa in the following topics:

  • Serosa

    • Serosa consists of a secretory epithelial layer and a thin connective tissue layer that reduce the friction from muscle movements.
    • In anatomy, the serous membrane (or serosa) is a smooth membrane that consists of a thin connective tissue layer and a thin layer of cells that secrete serous fluid.
    • Serosa is not to be confused with adventitia, a connective tissue layer that binds together structures rather than reduces friction between them.
    • For example, the serosa of the uterus is called the perimetrium.
    • The serosa is labeled at far right, and is colored yellow.
  • Histology of the Small Intestine

    • The small intestine wall has four layers: the outermost serosa, muscularis, submucosa, and innermost mucosa.
    • The serosa is the outermost layer of the intestine.
    • The serosa is a smooth membrane consisting of a thin layer of cells that secrete serous fluid, and a thin layer of connective tissue.
    • This image shows the layers of the duodenum: the serosa, muscularis, submucosa, and mucosa.
  • Anatomy of the Gallbladder

    • There are several different layers of the gallbladder: the mucosa (epithelium and lamina propria), the muscularis, the perimuscular, and the serosa.
    • The serosa is a smooth membrane that is the outer covering of the gallbladder.
  • Serous Membranes

    • In anatomy, a serous membrane (or serosa) is a smooth membrane consisting of a thin layer of cells, which secrete serous fluid, and a thin connective tissue layer.
    • Serosa is not to be confused with adventitia, a connective tissue layer which binds together structures rather than reducing friction between them.
    • (Serosa is labeled at far right, and is colored yellow. )
  • Submucosa

    • From the inside out they are called: mucosa, submucosa, muscularis, and serosa .
    • (Serosa is labeled at far right, and is colored yellow. )
  • Mucosa

    • From the inside out they are called: mucosa, submucosa, muscularis, and serosa.
  • Muscularis

    • From the inside out they are called the mucosa, submucosa, muscularis externa, and serosa.
  • Body Cavity Membranes

    • Mesothelial tissue also surrounds the male internal reproductive organs (the tunica vaginalis testis) and covers the internal reproductive organs of women (the tunica serosa uteri).
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