Anatomy & SciencesQuestion 281 of 484
Within the hair root, the small cone of dermal tissue that pushes up into the hair bulb and supplies blood vessels is the:
a.Dermal papilla
b.Outer root sheath
c.Hair shaft cortex
d.Arrector pili
Explanation
The dermal papilla is the vascular peg at the very base of the follicle. Matrix cells of the bulb surround it and divide rapidly, fed by the papilla's capillaries.
Practice all 484 questions free — no signup required.
Related questions on this topic
- A client's intake form notes that her skin's pH is around 5.0. This slightly acidic pH primarily helps to:
- Which pair of changes in the dermis is most characteristic of intrinsic (chronological) skin aging?
- Approximately how long does the anagen (active growth) phase of scalp hair typically last in a healthy adult?
- Black and brown hair color is produced mainly by which type of melanin?
- A client asks why her hair is turning gray. The most accurate explanation is that:
- The muscle that pulls the corners of the mouth downward, helping create a frowning expression, is the:
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against California Board of Barbering & Cosmetology Exam · How we review