Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a)–(e) Force mappings during forward cell migration with guiding patterns. From 0 to 34 min, cell elongated from contracted shape followed by release of trailing region. Cell continued to migrate forward in second migration cycle from 34 to 67 min. (f)–(j) Force mappings during reversed cell migration with guiding patterns. From 0 to 36 min, cell elongated followed by cellular release on right side. From 36 to 58 min, cell reversed and migrated from left to right.
