Following an injury what is getting released
example of chemical mediators
histamine and prostaglandins
What does mediators do
induce dilation of blood vessels and produce redness and heat
Increases the pressure in the tissue, which can also stimulate neurons and cause pain.
blocks the effects of histamine
prevents the synthesis of prostaglandins
reduces the release of several chemical mediators
threadlike protein fibrin which binds the edges of the wounds together
The surface of the clot dries to form a
The neutrophil eventually dies and can accumulate as a mixture of dead cells and fluid called
The clot is replaced with
a result of the contraction of fibroblasts in the granulation tissue, pulls the edges of the wound closer together
The integumentary system consists of the
The appearance of the integumentary system can indicate
Integumentary systems functions
Vitamin D protection
The skin provides protection against abrasion and ultraviolet light.
When exposed to ultraviolet light, the skin produces a molecule that can be transformed into vitamin D.
Vitamin D regulation
The integumentary system has sensory receptors that can detect heat, cold, touch, pressure, and pain.
Small amounts of waste products are lost through the skin and in gland secretions.