When should I take a home pregnancy test? Many home pregnancy tests claim to be accurate as early as the first day of a missed period â or even before. You're likely to get more accurate results, however, if you wait until after the first day of your missed period or, better yet, one week after your missed period.
An atypical pigmented spindle-cell nevus: a small multicolored lesion showing irregular and ill-defined borders. The clinical diagnosis was melanoma in situ (Fig. 4). A typical pigmented spindle-cell nevus: a small slightly raised dark lesion with defined borders.
A kinetochore microtubule, as its name suggests, is the type of microtubule that attaches to the kinetochores of the condensed chromosomes (this is the type that draws the chromosomes toward the centrosomes at the poles of the dividing cell). More >>. Spindle apparatus >>. Biology Dictionary >>. A polar microtubule does not attach to a chromosome. Instead, they emanate from the two centrosomes and overlap with each other in the center of the cell and, by sliding against each other, force the centrosomes toward the poles of the cell.