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.
The centrosome is an organelle that serves as a microtubule organizing center during division. It's duplicated during S phase, and the two copies move to opposite sides of the cell. Now, once the mitotic spindle has been assembled, the centrosomes are also referred to as spindle poles.