|  | 
            
                | 
                                
                                        | 
                                                Hair, negroid
                                         |  
                                        | 
                                                Negroid hair:* Shaft diameter: moderate to fine with considerable variation
 *Pigment granules: densely distributed (hair shaft may be opaque) and arranged in prominent clumps
 *Shaft: prominent twist and curl
 *Cross-sectional shape: flattened
 
 Image courtesy of Microscopy of Hair Part 1: A Practical Guide and Manual for Human Hairs; Forensic Science Communications.
 
 |  |