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THE SKIN, TASTE AND SMELL

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by

Mónica Marco

on 23 March 2017

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Transcript of THE SKIN, TASTE AND SMELL

In addiction to sensory receptors, the skin has othe structures responsible for other functions:
TASTE
THE SKIN
THE SKIN, TASTE AND SMELL
SMELL
Is an organ that has sensory receptors that perceive very diverse stimuli through touch.
It allow us to feel different sensations like:
Inside the
nassal phassages
there is an area called
olfatory epithelium
were the
olfactory receptor cells
following the
olfactory bulb
. When
smell olfatory receptor cells
are stimulated we can
detect an odour
.
The pain.
The shape and texture that objects have.
Heat and cold.
Pressure occurring as a result of strong tactile sensations.
Taste allows us to detect chemical substances from foods as they dissolve in our saliva. The sensations produced are the different tastes
The pain receptors are the only ones that have
free nerve endings
because the other touch receptors have
encapsulated nerve endings.
Our
sense of smell
allows us to
percieve gas molecules
the reach our nose.
The distribution of
dermal corpuscles
. In the skin is not uniform: certain types are
predominant in particular areas
. As a result, fine touch receptors are more abundant in the palm of the hand.
hola

Melanocytes:
These are cells that contain melanin and protects the body from solar radiation
Adipose tissue:
this is a layer of fat cells located in the deepest part of the skin which used to absorb impacts, protect the body from cold temperatures.
Although, there are many different tastes, they are all the result of a combination of the five basic tastes
SWEET
SALTY
BITTER
SOUR
TASTE BUDS
Taste receptors are cells that group in taste buds, wich are located inside the mouth, especially on the tongue. These days, we know that the place where we can savour each taste is not fixed, but that receptors for all the basic tastes are located across the surface of the tongue (although some are more predominant in certain areas than others)
UMAMI
Full transcript