| EPIDERMIS | Protective outermost portion of the skin, comprising a living basal layer and a dead external layer (stratum corneum) filled with keratin (9) |
| LEOGORCEY | He was both a Bowery Boy and a Dead End Kid |
| FUR | A wolf has two layers of ___, the longer guard layer and the shorter undercoat |
| ALVAREZ | Nobel Prize-winning physicist noted for his discovery of the iridium layer and his theory that the m |
| HARKNESS | Author of the All Souls trilogy comprising A Discovery of Witches and its sequels Shadow of Night and The Book of Life (8) |
| AVENS | Any of various perennials of the genus Geum having usually pinnate basal leaves and variously colore |
| COXA | Basal section of the leg of an arthropod insect, articulated with the trochanter (4) |
| OVARY | In botany, the hollow basal region of a flower's carpel that contains the ovules (5) |
| SHALEJOKES | "Q: How is a chicken coop like finely stratified sedimentary rock? A: They're both full of layers," and the like? |
| TWAYBLADE | Any orchid of the former genus Listera, now included in Neottia, characterised by a single pair of broad basal leaves (9) |
| OZONE | Triatomic gas in a thinning layer ... and, symbolically, what appears in this puzzle's four longest |
| WESTINDIES | Region comprising a crescentshaped group of islands in the Caribbean Sea including the Greater and Lesser Antilles and the Bahamas (4,6) |
| HEUCHERA | Genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers. |
| ECHEVERIA | Large genus of tropical American succulent plants with showy rosettes of basal leaves (9) |
| LAMINATOR | He makes material in layers and makes it a normal mixture (9) |
| STIRRUP | A support for a rider's foot, comprising a metal hoop suspended on a strap from a saddle (7) |
| OTOSCOPE | Medical instrument for examining the ear canal, typically comprising a magnifying lens and a light mounted on a handle (8) |
| SKIN | External layer |
| EXTERIOR | External layer (8) |
| VENEER | External layer |
