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facial nerve`s branch - Chorda tympani provides parasympathetic innervation to submandibular gland and sublingual gland and special sensory taste fibers for the anterior 2/3 of the tongue
glossopharyngeal nerve whitch receives special sensory fibers (taste) from the posterior one-third of the tongue
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Taste buds are monitored by cranial nerves?
Yes, taste buds are monitored by three cranial nerves: the facial nerve (VII) for the front two-thirds of the tongue, the glossopharyngeal nerve (IX) for the back one-third of the tongue, and the vagus nerve (X) for the throat and epiglottis. These nerves transmit taste information from the taste buds to the brain.
The only two cranial nerves that are completely sensory are numbers?
The only two cranial nerves that are completely sensory are the olfactory nerve (I) for smell and the optic nerve (II) for vision.
What are the organs of taste and the cranial nerves connected to them?
The organs of taste are the taste buds. These are mostly located on the tongue but they are also present on roof of the mouth and the inside of cheeks, and a few are located in the lower pharynx (Throat) and epiglottis. There are two main pairs of cranial nerves associated with taste which transmit information from the tongue - the facial nerve (VII) and the glossopharyngeal nerve (IX) The vagus nerve (X) also transmits information from the few taste buds in the epiglottis and lower pharynx
What two cranial nerves on the stimulated side must be functional for pupillary light reflex to occur?
The two cranial nerves that must be functional for the pupillary light reflex to occur are cranial nerve II (optic nerve) for the afferent pathway (carrying the visual information from the retina to the brain) and cranial nerve III (oculomotor nerve) for the efferent pathway (carrying the motor response to constrict the pupil).
What cranial nerves are not associated with the brainstem?
The olfactory bulbs [I] and the optic nerve [II]
Which nerve affects your sense of taste and facial expressions?
The facial nerve (cranial nerve VII) affects your sense of taste for the anterior two-thirds of the tongue and is responsible for controlling facial expressions through its motor functions.
Does the nerve going to the eyebrow go to the spinal cord?
There are 31 pairs of spinal nerves which originate in the spinal cord. There are twelve cranial nerves, which are referred to by Roman numerals. Ten of the twelve cranial nerves originate from the brainstem; the other two stem from the forebrain and thalamus. The nerve that is responsible for eyebrow movement is the VII cranial nerve, also known as the facial nerve. This is one of the ten cranial nerves originating from the brainstem.
What nerve pathways are involved pathways are involved in the sewnse of taste?
The sense of taste involves several nerve pathways primarily mediated by three cranial nerves: the facial nerve (VII), which innervates the anterior two-thirds of the tongue; the glossopharyngeal nerve (IX), responsible for the posterior third; and the vagus nerve (X), which carries taste sensations from the throat and epiglottis. These nerves transmit taste signals to the brainstem, where they synapse in the nucleus of the solitary tract before being relayed to the thalamus and then to the gustatory cortex in the insula. This pathway allows the brain to process and interpret different taste modalities such as sweet, salty, sour, bitter, and umami.
What are two major components of the parasympathetic division of the ANS?
Two major components of the parasympathetic division of the autonomic nervous system are the cranial nerves, specifically the vagus nerve (cranial nerve X), which innervates many organs in the body, and sacral nerves originating from the sacral region of the spinal cord, which also play a key role in controlling various bodily functions, such as digestion and elimination.
How many nerves to make a smile?
It takes 43 muscles to form a smile, but there are too many nerves involved to provide an exact number. The facial muscles are innervated by the facial nerve (CN VII), which branches out into numerous smaller nerves that control specific movements in the face.
What do all cranial nerves control?
Cranial nerve V. is the trigeminal nerve. It got its name after its three branches. Two of the branches are pure sensory, the third is mixed motor and sensory. In short, it gathers sensory information from the scalp, eyelids, eyes (from the cornea and conjuntiva, NOT visual information), nose, cheeks, lips, teeth, gums, oral cavity and jaw. The motor fibers innervate muscles involved in chewing and swallowing.
How do the functions of the two groups of peripheral groups differ?
the spinal nerves "receives" the nerve impulses from the rest of the body while the cranial nerves "process" these nerve impulses.
