A strong, stretchy envelop that helps to hold the body together ("is your hide").

dermis

The dense connective tissue making up the dermis

is consists of two major regions:

Papillary layer

Reticular layer

 ____ is the upper dermal region, which is uneven and has peglike projections from its superior surface.

papillary layer

The superior surface of the papillary layer, which

indent the epidermis above.

dermal papillae

free nerve endings

pain receptors

Meissner's corpuscles

touch receptors

 The ridges of the fingertips ar well provided with sweat pores and leave a unique indentifying films of sweat called fingerprints.

papillary patterns

Deepest skin layer. It contains blood vessels, sweat and oil glands and deep pressure receptors.

reticular layer

Pacinian corpuscles

deep pressure receptors

___ is found in reticular layer that prevent bacteria that have managed to get through the epidermis from penetrating any deeper into the body.

Phagocytes

Found in the dermis;

 Responsible for the toughness of the dermis; Also attract and bind water and thus help to keep the skin hydrated.

collagen fibers

Found in the dermis;

Give the skin its elasticity when we are young.

elastic fibers

The dermis is abundant supplied with ____ that play a role in maintaing the body temperature homeostasis.

blood vessels

Dermis is abundant of ___ and ____

blood vessels supply

nerve supply

3 pigments contribute to skin color

1. The amount and kind (yellow, reddish, brown or black) of melanin in the epidermis.
2. The amount of carotene deposited in the stratum corneum and subcutaneous tissue.
3. The amount of oxygen-rich hemoglobin (pigment in red blood cells) in the dermal blood vessels.

Emotions that influence the skin color

1. Redeness (erythema) - embarrasment
2. Pallor (blanching)      - fear, anger, anemia, low blood pressure
3. Jaundice (yellow cast)- liver disorder
4. Bruises (black-blue marks) - clotted blood masses called hematomas; deficiency of vitamin C or hemophilia (bleeder's disease)