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Common integument
Common integument
The outer coat of the body.
Protects the body from external influences and act as a barrier between its external and internal environments.
Formed by
skin
and
subcutaneous tissue (hypodermis)
.
Skin
Covers the surface of the body.
One of the largest organs: the surface area of the skin in an adult is 1,5–2,3 м
2
, weight — up to 6% of body weight (with subcutaneous fat — up to 16%).
Performs various functions: protective, thermoregulatory, receptor, excretory, metabolic, endocrine, immune.
Consists of
epidermis
(outer epithelial layer) and
dermis
(inner connective tissue layer).
Forms
derivatives (appendages)
in the form of
glands
,
hair
and
nails
.
Subcutaneous fascia (hypoderma)
Is formed by subcutaneous adipose tissue (lobules of white adipose tissue surrounded by layers of loose connective tissue).
Provides mobility of the skin and its connection with the underlying parts of the body, thermal insulation, as well as the deposition of nutrients, vitamins and hormones.
The thickness of the layer depends on the area of the body and the state of nutrition.
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Private histology
Basic concepts and terms
Nervous system
+
Sensory organs
+
Cardiovascular system
+
The system of organs of hemopoiesis and immunogenesis
+
Endocrine system
+
Digestive system
+
Respiratory system
+
Common integument
-
Skin
Skin appendages
Urinary system
+
Male reproductive system
+
Female reproductive system
+
List of micropreparations, electronic microphotographs and drawings
Literature