Segmentation Definition

Segmentation Sentence Examples

• The reduction is brought about simply by the segmentation of the spirem thread into half the number of segments instead of the normal number.

• Segmentation takes place during its passage down the uterus.

• The segmentation of the prosoma and the form of the appendages bear a homoplastic similarity to the head, pro-, meso-, and meta-thorax of a Hexapod with mandibles, maxillary palps and three pairs of walking legs; while the opistho io i e d c b o a S' S" 2 I VT V S IV III II I Opisthosoma Prosoma FIG.

• Segmentation in these is very unequal, and results in the formation of small cells called micromeres and large cells called megameres, as in fig.

• But in a few European and North American species, and in a great many inhabitants of the tropics, the egg is large and a considerable portion of it persists for a long time as a yolk-sac. Although the segmentation is always complete, it is very irregular in these types, some of which make a distinct approach to the meroblastic egg.