Refer to Figure 6-1 in the lecture notes as you view these images. The image on the left contains portions of three hair bulbs. The one in the lower center demonstrates the dermal papilla. The image on the right contains a cross-section through a hair shaft. The shaft is surrounded by multiple sebaceous glands. Click on the link below to view close ups of a hair bulb, shaft and a tactile or sinus hair follicle.