segmentation

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segmentation

 [seg″men-ta´shun]
1. division into similar parts.

seg·men·ta·tion

(seg'men-tā'shŭn),
1. The act of dividing into segments; the state of being divided into segments.
2. Synonym(s): cleavage (2)

segmentation

/seg·men·ta·tion/ (seg″men-ta´shun)
1. division into similar parts.

segmentation

(sĕg′mən-tā′shən, -mĕn-)
n.
1. Division into segments.
2. Embryology See cleavage.

segmentation

[seg′məntā′shən]
Etymology: L, segmentum + atio, process
1 the division of an animal body into repeating, similar sections, such as somites or metameres.
2 the division of a zygote into blastomeres; cleavage.

segmentation

Repetitive bowel contractions affecting short fixed lengths but without shift of position as in peristalsis. Segmentation functions to mix and homogenize the bowel contents but is not concerned with their transport.

segmentation

  1. the process of cutting off one part of an organism from another, as in CLEAVAGE of an OVUM.
  2. the production of metameres in METAMERIC SEGMENTATION.
  3. the cutting off by a cross wall of a multinucleate portion of a filament or HYPHA.

seg·men·ta·tion

(seg'mĕn-tā'shŭn)
Act of dividing into segments.

segmentation

1. division into similar parts.
2. cleavage.

intestinal segmentation
periodic constriction of segments of intestine without movement backwards or forwards; a mixing rather than a propulsive movement; the movements are reflex and can be initiated by intrinsic nerves in the wall of the small intestine.
Enlarge picture
Segmentation movements of the small intestine. By permission from Guyton R, Hall JE, Textbook of Medical Physiology, Saunders, 2000