Sthohr's histology : arranged upon an embroyological basis (1906)
Sthohr, Philipp, 1849-1911, Lewis, Frederic Thomas, 1875 · Philadelphia : P. Blakiston's Son & Co. · leaf 328
Fig. 364.—Cells ofa Human Nail.X 240. HAIR. J/ boiling a fragment placed in a strong solution of caustic potash. Thecells retain their nuclei as is seen in Fig. 364. The forward movementof the nail is due to the production of new ceils from behind. Hair. Epidermis. Epithelial column. … Mesenchyma. The hairs arise as local thickenings of the epidermis. They soonbecome round columns of ectodermal cells extending downward into thecorium (Fig. 365). As the columns elongate the terminal portion becomesenlarged, forming the bidb of the hair, and a mesodermic papilla occupiesthe center…
Histology · Microscopy
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
