Integumentary System Flashcards
Largest organ of the body
Skin
An integument and associated structures with hair glands and nails constitute integumentary system
Skin
It is 7% of the body
Skin
It is a dynamic interface between the external environment
Skin
It consists of several kinds of tissues that are structured arrangely to function together
Skin as an organ
Dry membrane in the outermost protective boundary
Skin
What are the composed skin derivatives
But glance oil glands hair and nails
It insulates and cushions the underlying body tissue and protects them from mechanical damage chemical damage thermal damage and bacterial invasion
Skin functions as protection
It is the first line of defense
Skin
It prevents water loss from our body surface
Body temperature regulation
The body gets rid of urea salt and water through sweat
Excretion
Acts as a many excretory system where you we are souls and water are lost during sweating
Excretion
Acts as a many excretory system where you we are souls and water are lost during sweating
Excretion
Consists of loose areolar connective tissues
Stratum papillare
Name after its finger like projections the papillae
Stratum papillare
Extend towards the epidermis layer contains a network of blood capillaries or tactile Meissner’s corpuscles
Stratum papillare
This lies under the papillary region which is usually much more thicker
Stratum reticulare
Consists of dense irregular connective tissue
Stratum reticulare
Named after a dense concentration of collagenous elastic and reticular fibers that weave through it
Stratum reticulare
Allows the skin to play a role in regulating body temperature
Dermal blood supply
If the skin is exposed to the heat then our body creates wet to the skin surface if our body is face with cold temperature then our body constrict our muscles constrict when it is called but when it is hot or muscle engorged or expand
Take note
Skin is rich in nerve supply
Dermal cutaneous receptor
Transmits messages the essential nervous system for interpretation
Dermal cutaneous receptor
Nerve ending for a light touch
Meissners corpuscle