&lt;p&gt;Hair follicular units or grafts are regarded as a group of hair follicles, according to our &lt;strong&gt;Top 5 Hair Transplant Surgeon in countryname&lt;/strong&gt;. As stated by the trichologists in &lt;strong&gt;countryname &lt;/strong&gt;It also contains nerves, arteries, and the erector pilorum, which are small muscles.&lt;/p&gt;