MICROANATOMY

EPITHELIUM CONNECTIVE TISSUE SKIN

INTEGUMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fingerprint ridges are formed by papillae which are located in which of the following layers of the dermis?
A
Reticular layer
B
Stratum corneum
C
Stratum basale
D
Papillary layer
Explanation: 

Detailed explanation-1: -This superficial layer of the dermis projects into the stratum basale of the epidermis to form finger-like dermal papillae (see Figure 6).

Detailed explanation-2: -The thin top layer of the dermis (the inner layer of the skin). The papillary dermis has connective tissue and blood vessels that give nutrients to the epidermis (the outer layer of the skin) and that help control the temperature of the skin.

Detailed explanation-3: -Papillary dermis: The papillary layer is the top layer of your dermis. It’s much thinner than the reticular dermis. It consists of collagen fibers, fibroblast cells, fat cells, blood vessels (capillary loops), nerve fibers, touch receptors (Meissner corpuscles) and cells that fight bacteria (phagocytes).

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