| These ingrowing hairs, or pili incarnati, affect 70 percent of black men who are clean-shaven. |
| At the hair follicle, one or several sebaceous glands and an arrector pili muscle, which causes the hair to stand on end, can be found. |
| Afterward, he went back to Samoa and returned with pili, whom he made ruler, and from whom the Kamehamehas were descended. |
| The glands discharge their contents by the contraction of the arrector pili muscle and by any pressure applied to the gland. |
| Associated with the follicle are sebaceous glands and the arrector pili smooth muscle fiber bundle. |
| Bacterial colonization involves multiple factors, including fimbriae or pili, flagella, and surface polysaccharides. |
