Anatomy of the Skin
The Epidermis
The Epidermis
c, corneous (horny) layer; g, granular layer; m, mucous layer (rete Malpighii).
The stratum lucidum is the layer just above the granular layer.
Nerve terminations—n, afferent nerve; b, terminal nerve bulbs; l, cell of Langerhans.
The stratum lucidum is the layer just above the granular layer.
Nerve terminations—n, afferent nerve; b, terminal nerve bulbs; l, cell of Langerhans.
The Blood-vessels
C, epidermis; D, corium; P, papillæ; S, sweat-gland duct.
v, arterial and venous capillaries (superficial, or papillary plexus) of the papillæ.
Deep plexus is partly shown at lower margin of the diagram; vs—an intermediate
plexus, an outgrowth from the deep plexus, supplying sweat-glands, and
giving a loop to hair papilla.
The Hair and Hair-Follicle
A, shaft of the hair; B, root of the hair; C, cuticle of the hair; D, medullary substance of the hair.
E, external layer of the hair-follicle; F, middle layer of the hair-follicle; G, internal layer of the hair-follicle; H, papilla of the hair; I, external root-sheath; J, outer layer of the internal root-sheath; K, internal layer of the internal root-sheath.
The Nervous and Vascular Papillæ
A, shaft of the hair; B, root of the hair; C, cuticle of the hair; D, medullary substance of the hair.E, external layer of the hair-follicle; F, middle layer of the hair-follicle; G, internal layer of the hair-follicle; H, papilla of the hair; I, external root-sheath; J, outer layer of the internal root-sheath; K, internal layer of the internal root-sheath.
