Quantcast Physiology of Gustation - The Sensory System

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Custom Search
b. Papillae. Some taste buds are located in elevated connective tissue on the
tongue. This tissue is called papillae. Papillae cause the upper surface of the tongue to
look rough. Circumvallate papillae are the largest papillae; they form an inverted V-
shaped row at the back of the tongue. Fungiform (mushroom-shaped) papillae are
located primarily on the tip and sides of the tongue. There are taste buds in all
circumvallate and most fungiform papillae. The front two thirds of the tongue are
covered with pointed, thread-like structures called filiform papillae.
To create the sensation of taste, a substance must be in a solution of saliva so
that the substance can enter the taste pores. The taste substance makes contact in the
pores with plasma membranes of the gustatory hairs; this causes the taste receptors to
be stimulated. There are two sensory pathways for taste. Pathway one contains the
facial nerve which carries taste sensations from the front two-thirds of the tongue.
Pathway two, the glosso-pharyngeal nerve, carries taste sensations from the back one
third of the tongue. These sensations are transmitted to the brain where the information
is interpreted as the sensation of taste.
A thorough understanding of the sensory system is essential in your ability to
provide basic emergency and primary medical care for today's soldier. For example,
laser injuries affect eyesight; artillery blasts affect hearing. Your knowledge of the
anatomy and physiology of the senses is necessary for you to recognize the effects of
modern weaponry and treat the soldier accordingly.

Medical News
Noise-induced hearing loss alters brain responses to speech
Prolonged exposure to loud noise alters how the brain processes...
Monoamine oxidase A is a abiomarker for postpartum depression
Many women suffer from baby blues after giving birth. Some...
Emotion-tracking software aims for "mood-aware" internet
Emotions can be powerful for individuals. But they're also powerful...
New research links anxiety to epilepsy-like seizures
New research by clinical psychologists from Arizona State University and...
Cause of rare childhood cancer discovered
Scientists have made a breakthrough in understanding the cause of...
The emotional appeal of stand-up comedy
Comics taking to the stage at the Edinburgh Fringe this...
Boosting neural pathway from gut to brain could play part in weight control
A Purdue University study found an increase in sensory nerve...
Tip-over furniture can kill kids
(HealthDay)—It can happen in an instant: A small child pulls...
Ebola discoverer says would sit next to victim on train
The scientist who helped discover the Ebola virus said the...
RA patients will trade efficacy for less frequent, shorter treatment
(HealthDay)—Based on hypothetical scenarios, rheumatoid arthritis (RA) patients would accept...
Slow progress toward meaningful use stage 2
(HealthDay)—Providers and hospitals are making slow progress toward achieving meaningful...
Japan's smoking rate drops to record low
Japan's smoking rate has dropped below 20 percent for the...
Peace Corps withdraws from W. Africa over Ebola fears
The US Peace Corps announced Wednesday it was pulling hundreds...
Fast food ambitions in China hurt by safety scares
(AP)—Already China's biggest restaurant operator with 4,600 outlets, KFC is...
Current evidence suggests benefits of e-cigarettes outweigh harms
A major scientific review of available research on the use,...
80 percent of aortic stenosis patients are in the same/better health 1 year after treatment
A survey, published online in the European Journal of Cardio-Thoracic...
Vets' alcohol problems linked to stress on the home front (w/ Video)
Regardless of traumatic events experienced during deployment, returning National Guard...
Whole body CT scans show no significant differences in incidence or severity of atherosclerotic disease
New research published in Global Heart (the journal of the...
Biologists describe mechanism promoting multiple DNA mutations
DNA mutations—long known to fuel cancer as well as evolutionary...
How black truffles deal with the jumpers in their genome
The black truffle uses reversible epigenetic processes to regulate its...

Privacy Statement - Copyright Information. - Contact Us

comments powered by Disqus

Integrated Publishing, Inc.
9438 US Hwy 19N #311 Port Richey, FL 34668

Phone For Parts Inquiries: (727) 755-3260
Google +