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sense |
any of the faculties, as sight, hearing, smell, taste, or touch, by which humans and animals perceive stimuli originating from outside or inside the body.
(2). |
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sentido |
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sensory system |
a part of the nervous system responsible for processing sensory information.
It consists of sensory receptors, neural pathways, and parts of the brain involved in sensory perception.
(4).
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sistema sensorial |
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visual transduction |
the transportation of visual stimuli to the nervous system.
(4).
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traducción visual |
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focus |
a point at which rays of light, heat, or other radiation, meet
after being refracted or reflected. The focal point of a lens. [Optics.] (2).
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foco |
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lens |
also crystalline. A part of the eye behind the pupil that focuses images on the retina.
(2).
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Lente cristalino |
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photoreceptor |
a photosensitive cell in the retina of vertebrate eyes. (4)
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fotoreceptor |
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optic nerve |
also known as cranial nerve II, is a paired nerve that transmits visual information from the retina to the brain |
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nervio óptico |
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pupil |
the expanding and contracting opening in the iris of the eye, through which light passes to the retina. (3)
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pupila |
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muscle |
a tissue composed of cells or fibers, the contraction of which produces movement in the body.
(2)
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músculo |
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fiber |
a slender, threadlike element or cell, as of nerve, muscle, or connective tissue. (2)
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fibra |
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optic chiasm |
or optic chiasma. It is the part of the brain where the optic nerves (CN II) partially cross. The optic chiasm is located at the bottom of the brain immediately below the hypothalamus. (4)
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quiasma óptico |
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lateral geniculate nucleus |
LGN (also lateral geniculate body or lateral geniculate complex) is a relay center in the thalamus for the visual pathway. It receives a major sensory input from the retina. The LGN is the main central connection for the optic nerve to the occipital lobe. In humans, each LGN has six layers of neurons (grey matter) alternating with optic fibers (white matter).
(4)
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núcleo lateral geniculado |
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visual cortex |
the part of the cerebral cortex responsible for processing visual information. (4)
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corteza visual |
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cones |
Cone cells are one of three types of photoreceptor cells in the retina of the eye. They are responsible for color vision and function best in relatively bright light, as opposed to rod cells, which work better in dim light. (4)
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conos |
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rods |
Rod cells are photoreceptor cells in the retina of the eye that can function in less intense light than the other type of visual photoreceptor, cone cells. Rods are concentrated at the outer edges of the retina and are used in peripheral vision.
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bastones |
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macula |
or macula lutea is an ovalshaped pigmented area near the center of the retina of the human eye. It has a diameter of around 5.5 mm (0.22 in). (It) is subdivided into the umbo, foveola,
foveal avascular zone (FAZ), fovea, parafovea, and perifovea areas.
(4)
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mácula |
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fovea |
fovea centralis is a small, central pit composed of closely packed cones in the eye. It is located in the center of the macula lutea of the retina.
(4)
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fóvea |
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macular degeneration |
also age-related macular degeneration (AMD or ARMD), is a medical condition which may result
in blurred or no vision in the center of the visual field. (4)
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degeneración macular |
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ganglion cell |
also retinal ganglion cell (RGC) is a type of neuron located near the inner surface (the ganglion cell layer) of the retina of the eye. It receives visual information
from photoreceptors via two intermediate neuron types: bipolar cells and retina amacrine cells. (4)
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célula ganglionar |
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visual acuity |
also (VA), it commonly refers to the clarity of vision. Visual acuity is dependent on optical and neural factors, i.e., (i) the sharpness of the retinal focus within the eye, (ii) the health and functioning of the retina, and (iii) the sensitivity of the interpretative faculty of the brain.
(4)
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agudeza visual |
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receptive field |
of an individual sensory neuron is the particular region of the sensory space (e.g., the body surface, or the visual field) in which a stimulus will trigger the firing of that neuron. This region can be a hair in the cochlea or a piece of skin, retina, tongue or other part of an animal's body.
(4)
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campo receptivo |
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strabismus |
also heterotropia, a condition that interferes with binocular vision because it prevents a person from directing both eyes simultaneously towards the same fixation point; the eyes do not properly align with each other.
(4)
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estrabismo |
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fuse |
to combine or blend by melting together. (2)
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fundir, unir |
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inherit |
to receive (a genetic character) by the transmission of hereditary factors.
(2)
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heredar |
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gene therapy |
the therapeutic delivery of nucleic acid polymers into a patient's cells as a drug to treat disease. (4)
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terapia genetica |
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hearing |
auditory perception, or audition is the ability to perceive sound by detecting vibrations,[1] changes in the pressure of the surrounding medium through time, through an organ such as the ear.
(4)
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oído |
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pitch |
a perceptual property of sounds that allows their ordering on a frequencyrelated scale,[1] or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower"
(4)
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timbre |
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pinna |
also, auricle or auricula is the visible part of the ear that resides outside of the head.
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pabellón auricular |
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funnel |
to pass along; channel.
(1)
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pasar por un embudo o canal |
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tympanic membrane |
also, eardrum, or tympanic membrane, is a thin, coneshaped membrane that separates the external ear from the middle ear in humans and other tetrapods. Its function is to transmit sound from the air to the ossicles inside the middle ear, and then to the oval window in the fluid-filled cochlea.
(4)
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membrana timpánica o tímpano |
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hammer |
also, malleus /ˈmæliəs/ is a hammer-shaped small bone or ossicle of the middle ear which connects with the incus and is attached to the inner surface of the eardrum. It transmits the sound vibrations from the eardrum to the incus.
(4)
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martillo |
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stirrup |
also, stapes /ˈsteɪpiːz/ is a bone in the middle ear of humans and other mammals which is involved in the conduction of sound vibrations to the inner ear. The stirrup-shaped small bone is on and transmits these to the oval window, medially.
(4)
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estribo |
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middle ear |
the portion of the ear internal to the eardrum, and external to the oval window of the inner ear. (4)
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oído medio |
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inner ear |
(internal ear, auris interna) is the innermost part of the vertebrate ear.
In vertebrates, the inner ear is mainly responsible for sound detection and balance. (4)
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oído interno |
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cochlea |
auditory portion of the inner ear, a spiral-shaped cavity in the bony labyrinth, making 2.5 turns around its axis.
(4)
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cóclea |
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basilar membrane |
within the cochlea of the inner ear is a stiff structural element that separates two liquid-filled tubes that
run along the coil of the cochlea, the scala media and the scala tympani. (4) |
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membrane basilar |
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tectorial membrane |
(TM) is one of two acellular membranes in the cochlea of the inner ear, the other being the basilar membrane (BM). The TM is located above the spiral limbus and the spiral organ of Corti and extends along the longitudinal length of the cochlea parallel to the BM.
(4)
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membrane tectorial |
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sterocilia |
the mechanosensing organelles of hair cells, which respond to fluid motion in numerous types of animals for various functions, including hearing and balance. They are about 10– 50 micrometers in length.
(4)
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esterocilia |
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auditory nerve |
cochlear nerve (also auditory or acoustic nerve) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes. It carries auditory sensory information from
the cochlea of the inner ear directly to the brain. The other portion of the vestibulocochlear nerve is the vestibular nerve, which carries spatial orientation information to the brain from the semicircular canals.
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nervio auditivo |
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superior temporal gyrus |
one of three (sometimes two) gyri in the temporal lobe of the human brain, which is located laterally to the head, situated somewhat above the external ear.
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sisura superior temporal |
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auditory cortex |
The primary auditory cortex is the part of the temporal lobe that processes auditory information in humans and other vertebrates. It is a part of the auditory system, performing basic and higher functions in hearing.[1] It is located bilaterally, roughly at the upper sides of the temporal lobes.
(4)
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corteza auditiva |
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taste |
also, gustatory perception, or gustation is one of the five traditional senses that belongs to the gustatory system . Taste is the sensation produced when a substance in the mouth reacts chemically with taste receptor cells located on taste buds in the oral cavity, mostly on the tongue.
(4)
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gusto |
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taste bud |
contain the taste receptors. They are located around the small structures known as papillae found on the upper surface of the tongue, soft palate, upper esophagus, the cheek and epiglottis.[1] These structures are involved
in detecting the five elements of taste perception: salty, sour, bitter, sweet and umami; through the combination of these elements we detect "flavors."
(4)
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papila gustative |
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papillae |
also, Lingual papillae (singular papilla) are the small, nipple-like structures on the upper surface of the tongue that give the tongue its characteristic rough texture. There are 4 types of papillae on the human tongue, they
have different structures and are named accordingly: filiform, fungiform, foliate and circumvallate papillae.
(4)
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papilas |
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palate |
the roof of the mouth in humans and other mammals.
(4)
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paladar |
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cranial nerves |
the nerves that emerge directly from the brain (including the brainstem), in contrast to spinal nerves (which emerge from segments of the spinal cord). Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck.
(4)
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nervios craneales |
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airborne odor molecules |
odorants
(4)
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moléculas de olor transportada por aire |
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mucus membrane |
a membrane that lines various cavities in the body and surrounds internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue.
(4)
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membrana mucosa |
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olfactory bulbs |
a neural structure of the vertebrate forebrain involved in olfaction, or the sense of smell.
(4)
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bulbos olfatorios |
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olfactory cortex |
also, primary olfactory cortex is a portion of the cerebral cortex involved in olfaction.
(4)
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corteza olfatoia |
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orbital cortex |
also, orbitofrontal cortex (OFC) is a prefrontal cortex region in the frontal lobes in the brain
which is involved in the cognitive processing of decision-making.
(4)
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corteza orbital |
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touch |
one of the sensations processed by the somatosensory system giving rise to touching behavior.
(4)
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tacto |
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touch receptor |
also, cutaneous receptors are the types of sensory receptor found in the dermis or epidermis.
They are a part of the somatosensory system. Cutaneous receptors include cutaneous mechanoreceptors, nociceptors
(pain) and thermoreceptors (temperature).
(4)
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receptor táctil |
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sensory cortex |
can refer informally to the primary somatosensory cortex, or it can be used as an umbrella term for
the primary and secondary cortices of the different senses.
(4)
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corteza sensorial |
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tactile |
of, pertaining to, endowed with, or affecting the sense of touch.
(2)
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táctil |
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caliper |
a device used to measure the distance between two opposite sides of an object.
A caliper can be as simple as a compass with inward or outward-facing points.
(4)
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calibrador |
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caliper |
a device used to measure the distance between two opposite sides of an object.
A caliper can be as simple as a compass with inward or outward-facing points.
(4)
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calibrador |
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caliper |
a device used to measure the distance between two opposite sides of an object.
A caliper can be as simple as a compass with inward or outward-facing points.
(4)
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calibrador |
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nociceptor |
a sensory nerve cell that responds to damaging or potentially damaging
stimuli by sending signals to the spinal cord and brain. This process, called nociception, usually
causes the perception of pain in sentient beings.
(4)
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nociceptor |
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noxious |
harmful or injurious to health or physical well-being.
(2)
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nocivo, dañino |
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histamine |
an organic nitrogenous compound involved in local immune responses
as well as regulating physiological function in the gut and acting as a neurotransmitter.
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histamina |
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prostaglandins |
a group of physiologically active lipid compounds having diverse hormone-like effects in animals.
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prostaglandina |
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allodynia |
refers to central pain sensitization (increased response of neurons) following painful, often repetitive, stimulation.
allodynia can lead to the triggering of a pain response from stimuli which do not normally provoke pain.
(4)
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alodinia |
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C fibers |
one of three classes of nerve fiber in the central nervous system and peripheral nervous system. the c group
fibers are unmyelinated and have a small diameter and low conduction velocity. they include postganglionic fibers in the
autonomic nervous system (ans), and nerve fibers at the dorsal roots (iv fiber). these fibers carry sensory information.
(4)
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fibras C |
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endogenous opioid system |
one of the most studied innate pain-relieving systems. this system consists of widely scattered
neurons that produce three opioids: beta-endorphin, the met- and leu-enkephalins, and the dynorphins. these opioids act
as neurotransmitters and neuromodulators at three major classes of receptors, termed mu, delta, and kappa, and produce analgesia.
(5)
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sistema endógeno opioide |
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endorphins |
endogenous opioid neuropeptides. they are produced by the central nervous system and the pituitary gland.
(4)
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endorfinas |
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morphine |
a pain medication of the opiate type. It acts directly on the central nervous system (CNS)
to decrease the feeling of pain.
(4)
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morfina |
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opioid receptor |
a group of inhibitory G protein-coupled receptors with opioids as ligands. The endogenous
opioids are dynorphins, enkephalins, endorphins, endomorphins and nociceptin. The opioid receptors are ~40% identical
to somatostatin receptors (SSTRs). Opioid receptors are distributed widely in the brain, and are found in the spinal
cord and digestive tract.(4)
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opio receptor |
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pain therapy |
also, Pain management, pain medicine, pain control or algiatry, is a branch of medicine
employing an interdisciplinary approach for easing the suffering and improving the quality of life of those living
with chronic pain
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terapia contra el dolor |
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painkilling drugs |
an analgesic or painkiller is any member of the group of drugs used to achieve analgesia, relief from pain. analgesic drugs act in various ways on the peripheral and central nervous systems.
(4)
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analgésicos |