Online Google Dictionary

coelom 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈsēləm/,
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coeloms, plural; coelomata, plural;
  1. The body cavity in metazoans, located between the intestinal canal and the body wall

  1. celom: a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity
  2. The coelom ("sea-lum") is a fluid filled cavity formed within the mesoderm. Coeloms developed in triploblasts but were subsequently lost in several lineages. Loss of coelom is correlated with reduction in body size. ...
  3. (Coelomic) By the broadest definition, a body cavity is any fluid filled space in a multicellular organism. However, the term usually refers to the space, located between an animal’s outer covering (epidermis) and the outer lining of the gut cavity, where internal organs develop. ...
  4. A fluid-filled cavity within the body of an animal. The digestive system is suspended within the cavity, which is lined by a tissue called the peritoneum
  5. (Coelomic) extensions in the body wall in the form of canals between longitudinal muscle bands.
  6. In animals, a body cavity between the body wall and the digestive system that forms during preadult development.
  7. A fluid-filled body cavity in animals, lined with tissue of mesodermal origin, housing the internal organs.
  8. A body cavity completely lined with mesoderm.
  9. a fluid-filled space in the mesoderm of more advanced organisms which divides the gut muscles from those of the body wall. This provides a protective place for specialised organs, which are held in position, supported and lubricated. The main advantages are:
  10. A cavity that occurs in higher animals between the intestine and the outer body wall. In the last few days before hatching, chicks draw the remaining yolk into this cavity. This enables them to survive their first few days of life without food.
  11. The main body cavity of metazoans, enclosing most major organs. (pronounced see-lom).
  12. The abdominal cavity.