The Blood-vessels.
Fig. 3.
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.
(After Ranvier).
The Nervous and Vascular Papillæ.
Fig. 4.