gustation - définition. Qu'est-ce que gustation
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Qu'est-ce (qui) est gustation - définition


gustation         
  • Taste buds and papillae of the tongue
  • This diagram linearly (unless otherwise mentioned) tracks the projections of all known structures that allow for taste to their relevant endpoints in the human brain.
  • The diagram depicted above shows the signal transduction pathway of the bitter taste. Bitter taste has many different receptors and signal transduction pathways. Bitter indicates poison to animals. It is most similar to sweet. Object A is a taste bud, object B is one taste cell, and object C is a neuron attached to object B. I. Part I is the reception of a molecule.1. A bitter substance such as quinine, is consumed and binds to G Protein-coupled receptors.II. Part II is the transduction pathway 2. Gustducin, a G protein second messenger, is activated. 3. Phosphodiesterase, an enzyme, is then activated. 4. Cyclic nucleotide, cNMP, is used, lowering the concentration 5. Channels such as the K+, potassium, channels, close. III. Part III is the response of the taste cell. 6. This leads to increased levels of Ca+. 7. The neurotransmitters are activated. 8. The signal is sent to the neuron.
  • The diagram depicts the signal transduction pathway of the sour or salty taste. Object A is a taste bud, object B is a taste receptor cell within object A, and object C is the neuron attached to object B.

I. Part I is the reception of hydrogen ions or sodium ions.

1. If the taste is sour, H<sup>+</sup> ions, from acidic substances, pass through H<sup>+</sup> channels. Depolarization takes place

II. Part II is the transduction pathway of the relay molecules. 2. Cation, such as K<sup>+</sup>, channels are opened.

III. Part III is the response of the cell.

3. An influx of Ca<sup>+</sup> ions is activated.

4. The Ca<sup>+</sup> activates neurotransmitters.

5. A signal is sent to the neuron attached to the taste bud.
  • The diagram above depicts the signal transduction pathway of the sweet taste. Object A is a taste bud, object B is one taste cell of the taste bud, and object C is the neuron attached to the taste cell. I. Part I shows the reception of a molecule. 1. Sugar, the first messenger, binds to a protein receptor on the cell membrane. II. Part II shows the transduction of the relay molecules. 2. G Protein-coupled receptors, second messengers, are activated. 3. G Proteins activate adenylate cyclase, an enzyme, which increases the cAMP concentration. Depolarization occurs. 4. The energy, from step 3, is given to activate the K+, potassium, protein channels.III. Part III shows the response of the taste cell. 5. Ca+, calcium, protein channels is activated.6. The increased Ca+ concentration activates neurotransmitter vesicles. 7. The neuron connected to the taste bud is stimulated by the neurotransmitters.
SENSE THAT DETECTS TYPES OF CHEMICALS THAT TOUCH THE TONGUE
Basic taste; Basic tastes; Gustatory; Gustatory system; Sour; Bitter (taste); Sourness; Bitter taste; Yumminess; Saltiness; Primary tastes; Gustation; Tasteful; Sense of taste; Four tastes; Gustatory sense; Gustatory sensation; Tangiest; Sour taste; Tartness; Bitterness (taste); Tart (flavor); Gustaoception; Kokumi; Gustatory systems; Oleogustus; Draft:Oleogustus; Oiliogustus; Oliogustus; Bitter flavor; Primary taste; Taſte; Taste perception; Taste threshold; Salty taste; Salty (taste); Sour (taste); Flavor (taste); Flavour (taste)
¦ noun formal the action or faculty of tasting.
Derivatives
gustative adjective
gustatory g?'ste?t(?)ri, 'g?st?t(?)ri adjective
Origin
C16: from L. gustatio(n-), from gustare 'to taste', from gustus 'taste'.
Gustation         
  • Taste buds and papillae of the tongue
  • This diagram linearly (unless otherwise mentioned) tracks the projections of all known structures that allow for taste to their relevant endpoints in the human brain.
  • The diagram depicted above shows the signal transduction pathway of the bitter taste. Bitter taste has many different receptors and signal transduction pathways. Bitter indicates poison to animals. It is most similar to sweet. Object A is a taste bud, object B is one taste cell, and object C is a neuron attached to object B. I. Part I is the reception of a molecule.1. A bitter substance such as quinine, is consumed and binds to G Protein-coupled receptors.II. Part II is the transduction pathway 2. Gustducin, a G protein second messenger, is activated. 3. Phosphodiesterase, an enzyme, is then activated. 4. Cyclic nucleotide, cNMP, is used, lowering the concentration 5. Channels such as the K+, potassium, channels, close. III. Part III is the response of the taste cell. 6. This leads to increased levels of Ca+. 7. The neurotransmitters are activated. 8. The signal is sent to the neuron.
  • The diagram depicts the signal transduction pathway of the sour or salty taste. Object A is a taste bud, object B is a taste receptor cell within object A, and object C is the neuron attached to object B.

I. Part I is the reception of hydrogen ions or sodium ions.

1. If the taste is sour, H<sup>+</sup> ions, from acidic substances, pass through H<sup>+</sup> channels. Depolarization takes place

II. Part II is the transduction pathway of the relay molecules. 2. Cation, such as K<sup>+</sup>, channels are opened.

III. Part III is the response of the cell.

3. An influx of Ca<sup>+</sup> ions is activated.

4. The Ca<sup>+</sup> activates neurotransmitters.

5. A signal is sent to the neuron attached to the taste bud.
  • The diagram above depicts the signal transduction pathway of the sweet taste. Object A is a taste bud, object B is one taste cell of the taste bud, and object C is the neuron attached to the taste cell. I. Part I shows the reception of a molecule. 1. Sugar, the first messenger, binds to a protein receptor on the cell membrane. II. Part II shows the transduction of the relay molecules. 2. G Protein-coupled receptors, second messengers, are activated. 3. G Proteins activate adenylate cyclase, an enzyme, which increases the cAMP concentration. Depolarization occurs. 4. The energy, from step 3, is given to activate the K+, potassium, protein channels.III. Part III shows the response of the taste cell. 5. Ca+, calcium, protein channels is activated.6. The increased Ca+ concentration activates neurotransmitter vesicles. 7. The neuron connected to the taste bud is stimulated by the neurotransmitters.
SENSE THAT DETECTS TYPES OF CHEMICALS THAT TOUCH THE TONGUE
Basic taste; Basic tastes; Gustatory; Gustatory system; Sour; Bitter (taste); Sourness; Bitter taste; Yumminess; Saltiness; Primary tastes; Gustation; Tasteful; Sense of taste; Four tastes; Gustatory sense; Gustatory sensation; Tangiest; Sour taste; Tartness; Bitterness (taste); Tart (flavor); Gustaoception; Kokumi; Gustatory systems; Oleogustus; Draft:Oleogustus; Oiliogustus; Oliogustus; Bitter flavor; Primary taste; Taſte; Taste perception; Taste threshold; Salty taste; Salty (taste); Sour (taste); Flavor (taste); Flavour (taste)
·noun The act of Tasting.
taste         
  • Taste buds and papillae of the tongue
  • This diagram linearly (unless otherwise mentioned) tracks the projections of all known structures that allow for taste to their relevant endpoints in the human brain.
  • The diagram depicted above shows the signal transduction pathway of the bitter taste. Bitter taste has many different receptors and signal transduction pathways. Bitter indicates poison to animals. It is most similar to sweet. Object A is a taste bud, object B is one taste cell, and object C is a neuron attached to object B. I. Part I is the reception of a molecule.1. A bitter substance such as quinine, is consumed and binds to G Protein-coupled receptors.II. Part II is the transduction pathway 2. Gustducin, a G protein second messenger, is activated. 3. Phosphodiesterase, an enzyme, is then activated. 4. Cyclic nucleotide, cNMP, is used, lowering the concentration 5. Channels such as the K+, potassium, channels, close. III. Part III is the response of the taste cell. 6. This leads to increased levels of Ca+. 7. The neurotransmitters are activated. 8. The signal is sent to the neuron.
  • The diagram depicts the signal transduction pathway of the sour or salty taste. Object A is a taste bud, object B is a taste receptor cell within object A, and object C is the neuron attached to object B.

I. Part I is the reception of hydrogen ions or sodium ions.

1. If the taste is sour, H<sup>+</sup> ions, from acidic substances, pass through H<sup>+</sup> channels. Depolarization takes place

II. Part II is the transduction pathway of the relay molecules. 2. Cation, such as K<sup>+</sup>, channels are opened.

III. Part III is the response of the cell.

3. An influx of Ca<sup>+</sup> ions is activated.

4. The Ca<sup>+</sup> activates neurotransmitters.

5. A signal is sent to the neuron attached to the taste bud.
  • The diagram above depicts the signal transduction pathway of the sweet taste. Object A is a taste bud, object B is one taste cell of the taste bud, and object C is the neuron attached to the taste cell. I. Part I shows the reception of a molecule. 1. Sugar, the first messenger, binds to a protein receptor on the cell membrane. II. Part II shows the transduction of the relay molecules. 2. G Protein-coupled receptors, second messengers, are activated. 3. G Proteins activate adenylate cyclase, an enzyme, which increases the cAMP concentration. Depolarization occurs. 4. The energy, from step 3, is given to activate the K+, potassium, protein channels.III. Part III shows the response of the taste cell. 5. Ca+, calcium, protein channels is activated.6. The increased Ca+ concentration activates neurotransmitter vesicles. 7. The neuron connected to the taste bud is stimulated by the neurotransmitters.
SENSE THAT DETECTS TYPES OF CHEMICALS THAT TOUCH THE TONGUE
Basic taste; Basic tastes; Gustatory; Gustatory system; Sour; Bitter (taste); Sourness; Bitter taste; Yumminess; Saltiness; Primary tastes; Gustation; Tasteful; Sense of taste; Four tastes; Gustatory sense; Gustatory sensation; Tangiest; Sour taste; Tartness; Bitterness (taste); Tart (flavor); Gustaoception; Kokumi; Gustatory systems; Oleogustus; Draft:Oleogustus; Oiliogustus; Oliogustus; Bitter flavor; Primary taste; Taſte; Taste perception; Taste threshold; Salty taste; Salty (taste); Sour (taste); Flavor (taste); Flavour (taste)
I
n.
appreciation
sense of what is proper
1) to acquire, cultivate, develop a taste
2) to demonstrate, display, show (a) taste
3) (an) acquired; artistic; bad; discriminating; elegant, excellent, exquisite; good taste (it is bad taste to ignore an invitation to a wedding)
4) a taste for (to develop a taste for music)
5) taste in (they showed good taste in planning the decor; excellent taste in music)
6) in (a certain) taste (everything was done in good taste)
7) (misc.) tastes differ; a sense of taste
sensation obtained from tasting, eating
(also fig.)
8) to leave a taste (the fruit left a pleasant taste in my mouth; the whole affair left a bitter taste in my mouth)
9) to spoil the taste
10) a bad, foul; bitter; mild; nice, pleasant, sweet; sour; strong taste
11) (misc.) the sense of taste
small amount tasted
12) to have, take (esp. AE) a taste (of)
13) to give smb. a taste of smt. (often fig.) (they gave him a taste of his own medicine)
II
v.
1) (d; intr.) to taste of (the food tastes of garlic)
2) (s) the food tastes good