nadir  
English
Technical (English): nadir
Popular (English): low point
Spanish
Technical: nadir (nm)
Popular: el punto más bajo

---

nail  
English
Technical (English): nail
Popular (English): nail
Spanish
Technical: uña
Popular: uña

---

nap  
English
Technical (English): nap
Popular (English): nap
Spanish
Technical: siesta
Popular: siesta

---

nape  
English
Technical (English): nape
Popular (English): nape
Spanish
Technical: nuca
Popular: nuca

---

narcolepsy  
English
Technical (English): narcolepsy
Popular (English): narcolepsy
Spanish
Technical: narcolepsia
Popular: narcolepsia

---

narcosis  
English
Technical (English): narcosis
Popular (English): narcosis
Spanish
Technical: narcosis
Popular: narcosis

---

narcotic  
English
Technical (English): narcotic
Popular (English): morphine-like drug
Spanish
Technical: narcótico (nm)
Popular: agente que produce insensibilidad, estupor o anestesia

---

narcotic  
English
Technical (English): narcotic
Popular (English): narcotic
Spanish
Technical: narcótico
Popular: narcótico

---

Narcotic Anonymous  
English
Technical (English): Narcotic Anonymous
Popular (English): Narcotic Anonymous
Spanish
Technical: Narcóticos Anónimos
Popular: Narcóticos Anónimos

---

nasal  
English
Technical (English): nasal
Popular (English): nose-related
Spanish
Technical: nasal (adj)
Popular: relativo a la nariz

---

nasal cavity  
English
Technical (English): nasal cavity
Popular (English): nasal cavity
Spanish
Technical: cavidad nasal, hoyo de la nariz
Popular: cavidad nasal, hoyo de la nariz

---

nasal spray  
English
Technical (English): nasal spray
Popular (English): nasal spray
Spanish
Technical: atomizador nasal
Popular: atomizador nasal

---

nasolacrimal  
English
Technical (English): nasolacrimal
Popular (English): nose and tear duct related
Spanish
Technical: nasolacrimal (adj)
Popular: relativo a la nariz y al aparato lagrimal )

---

natal  
English
Technical (English): natal
Popular (English): natal
Spanish
Technical: natal
Popular: natal

---

national disaster medical system  
English
Technical (English): national disaster medical system
Popular (English): national disaster medical system
Spanish
Technical: sistema médico nacional para desastres
Popular: sistema médico nacional para desastres

---

Native American  
English
Technical (English): Native American
Popular (English): Native American
Spanish
Technical: nativo americano, indio americano
Popular: nativo americano, indio americano

---

natriuresis  
English
Technical (English): natriuresis
Popular (English): excretion of sodium by kidneys
Spanish
Technical: natriuresis (nf)
Popular: excreción de cantidades anormales de sodio en la orina

---

natural childbirth  
English
Technical (English): natural childbirth
Popular (English): natural childbirth
Spanish
Technical: parto natural
Popular: parto natural

---

natural disaster  
English
Technical (English): natural disaster
Popular (English): natural disaster
Spanish
Technical: desastre natural
Popular: desastre natural

---

natural family planning  
English
Technical (English): natural family planning
Popular (English): natural family planning
Spanish
Technical: planificación familiar natural
Popular: planificación familiar natural

---

natural phenomenon  
English
Technical (English): natural phenomenon
Popular (English): natural phenomenon
Spanish
Technical: fenómeno natural
Popular: fenómeno natural

---

naturopath  
English
Technical (English): naturopath
Popular (English): naturopath
Spanish
Technical: naturista
Popular: naturista

---

nausea  
English
Technical (English): nausea
Popular (English): feeling sick
Spanish
Technical: náusea (nf)
Popular: Ganas de vomitar

---

nausea  
English
Technical (English): nausea
Popular (English): nausea
Spanish
Technical: náusea, mareo, estómago revuelto, asco
Popular: náusea, mareo, estómago revuelto, asco

---

navel  
English
Technical (English): navel
Popular (English): navel
Spanish
Technical: ombligo
Popular: ombligo

---

nearsighted  
English
Technical (English): nearsighted
Popular (English): nearsighted
Spanish
Technical: corto de vista
Popular: corto de vista

---

nebulizer  
English
Technical (English): nebulizer
Popular (English): nebulizer
Spanish
Technical: nebulizador, máquina de vapor
Popular: nebulizador, máquina de vapor

---

neck  
English
Technical (English): neck
Popular (English): neck
Spanish
Technical: cuello, pescuezo
Popular: cuello, pescuezo

---

necrolysis  
English
Technical (English): necrolysis
Popular (English): gangrene
Spanish
Technical: necrólisis (nf)
Popular: separación y exfoliación del tejido a causa de muerte celular

---

necrosis  
English
Technical (English): necrosis
Popular (English): gangrene
Spanish
Technical: necrosis (nf)
Popular: muerte celular en un organismo vivo

---

necrosis  
English
Technical (English): necrosis
Popular (English): necrosis
Spanish
Technical: necrosis
Popular: necrosis

---

nectarine  
English
Technical (English): nectarine
Popular (English): nectarine
Spanish
Technical: nectarina
Popular: nectarina

---

needle  
English
Technical (English): needle
Popular (English): needle
Spanish
Technical: aguja
Popular: aguja

---

negative  
English
Technical (English): negative
Popular (English): negative
Spanish
Technical: negativo (adj)
Popular: sin resultado, no positivo, bajo la línea cero

---

negative  
English
Technical (English): negative
Popular (English): negative
Spanish
Technical: negativo(a)
Popular: negativo(a)

---

negative pressure room  
English
Technical (English): negative pressure room
Popular (English): negative pressure room
Spanish
Technical: cuarto de presión negativa
Popular: cuarto de presión negativa

---

negative test result  
English
Technical (English): negative test result
Popular (English): negative test result
Spanish
Technical: resultado negativo
Popular: resultado negativo

---

neonatal  
English
Technical (English): neonatal
Popular (English): neonatal
Spanish
Technical: neonatal
Popular: neonatal

---

neonatal  
English
Technical (English): neonatal
Popular (English): new baby-related
Spanish
Technical: neonatal (adj)
Popular: relativo al primer mes de vida

---

neonate  
English
Technical (English): neonate
Popular (English): neonate
Spanish
Technical: recién nacido, neonato
Popular: recién nacido, neonato

---

neoplasm  
English
Technical (English): neoplasm
Popular (English): neoplasm
Spanish
Technical: neoplasma
Popular: neoplasma

---

neoplastic  
English
Technical (English): neoplastic
Popular (English): tumour-related
Spanish
Technical: neoplásico (adj)
Popular: relativo a un cáncer

---

nephrectomy  
English
Technical (English): nephrectomy
Popular (English): nephrectomy
Spanish
Technical: nefrectomía
Popular: nefrectomía

---

nephritis  
English
Technical (English): nephritis
Popular (English): nephritis
Spanish
Technical: nefritis
Popular: nefritis

---

nephritis  
English
Technical (English): nephritis
Popular (English): kidney inflammation
Spanish
Technical: nefritis (nf)
Popular: inflamación del riñón

---

nephrolith  
English
Technical (English): nephrolith
Popular (English): kidney stone
Spanish
Technical: nefrolito (nm)
Popular: piedra del riñón

---

nephrology  
English
Technical (English): nephrology
Popular (English): nephrology
Spanish
Technical: nefrología
Popular: nefrología

---

nephron  
English
Technical (English): nephron
Popular (English): nephron
Spanish
Technical: nefroma
Popular: nefroma

---

nephropathy  
English
Technical (English): nephropathy
Popular (English): kidney disease
Spanish
Technical: nefropatía (nf)
Popular: enfermedad del riñón

---

nephrotic  
English
Technical (English): nephrotic
Popular (English): kidney disorder-related
Spanish
Technical: nefrótico (adj)
Popular: relativo a una enfermedad del riñón o causado por ella

---

nephrotoxic  
English
Technical (English): nephrotoxic
Popular (English): destructive to the kidneys
Spanish
Technical: nefrotóxico (adj)
Popular: que es tóxico para el riñón

---

nerve  
English
Technical (English): nerve
Popular (English): nerve
Spanish
Technical: nervio
Popular: nervio

---

nervous  
English
Technical (English): nervous
Popular (English): nervous
Spanish
Technical: nervioso(a)
Popular: nervioso(a)

---

nervous breakdown  
English
Technical (English): nervous breakdown
Popular (English): nervous breakdown
Spanish
Technical: crisis nerviosa
Popular: crisis nerviosa

---

nervous system  
English
Technical (English): nervous system
Popular (English): nervous system
Spanish
Technical: sistema nervioso
Popular: sistema nervioso

---

nervousness  
English
Technical (English): nervousness
Popular (English): nervousness
Spanish
Technical: nerviosismo
Popular: nerviosismo

---

nervousness  
English
Technical (English): nervousness
Popular (English): nervousness
Spanish
Technical: nerviosismo (nm)
Popular: excitabilidad e irritabilidad excesivas

---

neural  
English
Technical (English): neural
Popular (English): nerve-related
Spanish
Technical: neural (adj)
Popular: relativo a los nervios; situado en la región de la columna vertebral

---

neuralgia  
English
Technical (English): neuralgia
Popular (English): neuralgia
Spanish
Technical: neuralgia
Popular: neuralgia

---

neuralgia  
English
Technical (English): neuralgia
Popular (English): neuralgia
Spanish
Technical: neuralgia (nf)
Popular: dolor en el trayecto de los nervios

---

neuritis  
English
Technical (English): neuritis
Popular (English): neuritis
Spanish
Technical: neuritis
Popular: neuritis

---

neuritis  
English
Technical (English): neuritis
Popular (English): nerve inflammation
Spanish
Technical: neuritis (nf)
Popular: inflamación de un nervio

---

neurodermatitis  
English
Technical (English): neurodermatitis
Popular (English): skin damage caused by scratching
Spanish
Technical: neurodermatitis (nf)
Popular: enfermedad de la piel producida por causas emocionales

---

neuroleptanalgesia  
English
Technical (English): neuroleptanalgesia
Popular (English): altered awarenss of pain due to drugs
Spanish
Technical: neuroleptoanalgesia (nf)
Popular: anestesia mediante administración de un neuroléptico y un analgésico

---

neuroleptic  
English
Technical (English): neuroleptic
Popular (English): tranquilizer
Spanish
Technical: neuroléptico (nm)
Popular: calmante del sistema nervioso

---

neurological  
English
Technical (English): neurological
Popular (English): nervous system-related
Spanish
Technical: neurológico (adj)
Popular: relativo al sistema nervioso o a la neurología

---

neurology  
English
Technical (English): neurology
Popular (English): neurology
Spanish
Technical: neurología
Popular: neurología

---

neuromuscular  
English
Technical (English): neuromuscular
Popular (English): muscle and nerve-related
Spanish
Technical: neuromuscular (adj)
Popular: relativo a la conexión entre los nervios y los músculos

---

neuronal  
English
Technical (English): neuronal
Popular (English): neuron-related
Spanish
Technical: neuronal (adj)
Popular: relativo a las neuronas

---

neuropathy  
English
Technical (English): neuropathy
Popular (English): nervous system disorder
Spanish
Technical: neuropatía (nf)
Popular: enfermedad nerviosa

---

neurosis  
English
Technical (English): neurosis
Popular (English): neurosis
Spanish
Technical: neurosis
Popular: neurosis

---

neurosurgery  
English
Technical (English): neurosurgery
Popular (English): neurosurgery
Spanish
Technical: neurocirugía
Popular: neurocirugía

---

neurotic  
English
Technical (English): neurotic
Popular (English): neurotic
Spanish
Technical: neurótico (adj)
Popular: relativo a la neurosis o afectado por ella

---

neurotoxic  
English
Technical (English): neurotoxic
Popular (English): destructive to nerve tissue
Spanish
Technical: neurotóxico (adj)
Popular: tóxico o destructor del tejido nervioso

---

neurotransmitter  
English
Technical (English): neurotransmitter
Popular (English): chemical released by nerve endings
Spanish
Technical: neurotransmisor (nm)
Popular: sustancia que por vía química transmite impulsos nerviosos

---

neurovegetative  
English
Technical (English): neurovegetative
Popular (English): nervous system-related
Spanish
Technical: neurovegetativo (adj)
Popular: perteneciente o relativo al sistema nervioso vegetativo

---

neutralization  
English
Technical (English): neutralization
Popular (English): neutralization
Spanish
Technical: neutralización (nf)
Popular: proceso por el que una cosa pierde eficacia

---

neutropenia  
English
Technical (English): neutropenia
Popular (English): low white bolld cell count
Spanish
Technical: neutropenia (nf)
Popular: disminución del número de leucocitos neutrófilos en la sangre

---

neutrophil  
English
Technical (English): neutrophil
Popular (English): neutrophil
Spanish
Technical: neutrófilo (adj)
Popular: que tiene afinidad por los colorantes neutros

---

new mother  
English
Technical (English): new mother
Popular (English): new mother
Spanish
Technical: madre primeriza, nulípara
Popular: madre primeriza, nulípara

---

new parents  
English
Technical (English): new parents
Popular (English): new parents
Spanish
Technical: padres primerizos
Popular: padres primerizos

---

newborn  
English
Technical (English): newborn
Popular (English): newborn
Spanish
Technical: recién nacido
Popular: recién nacido

---

newborn screening test  
English
Technical (English): newborn screening test
Popular (English): newborn screening test
Spanish
Technical: análisis/ prueba para recién nacidos
Popular: análisis/ prueba para recién nacidos

---

niacin  
English
Technical (English): niacin
Popular (English): niacin
Spanish
Technical: niacina
Popular: niacina

---

nicotine  
English
Technical (English): nicotine
Popular (English): nicotine
Spanish
Technical: nicotina
Popular: nicotina

---

nidation  
English
Technical (English): nidation
Popular (English): fertilisation
Spanish
Technical: nidación (nf)
Popular: implantación del embrión maduro

---

nightmare  
English
Technical (English): nightmare
Popular (English): nightmare
Spanish
Technical: pesadilla
Popular: pesadilla

---

nil  
English
Technical (English): nil
Popular (English): nil
Spanish
Technical: nulo (adj)
Popular: nulo (adj)

---

nipple  
English
Technical (English): nipple
Popular (English): nipple
Spanish
Technical: pezón
Popular: pezón

---

nit  
English
Technical (English): nit
Popular (English): nit
Spanish
Technical: liendre
Popular: liendre

---

nocturia  
English
Technical (English): nocturia
Popular (English): frequent urination at night
Spanish
Technical: nicturia (nf)
Popular: emisión de orina más abundante durante la noche que durante el día

---

nocturnal  
English
Technical (English): nocturnal
Popular (English): nocturnal
Spanish
Technical: nocturno (adj)
Popular: relativo a la noche o que ocurre o es activo durante ella

---

nodose  
English
Technical (English): nodose
Popular (English): with nodes
Spanish
Technical: nodular (adj)
Popular: caracterizado por pequeños nudos sólidos

---

noise  
English
Technical (English): noise
Popular (English): noise
Spanish
Technical: ruido
Popular: ruido

---

nonspecific  
English
Technical (English): nonspecific
Popular (English): nonspecific
Spanish
Technical: inespecífico (adj)
Popular: no característico

---

noodle  
English
Technical (English): noodle
Popular (English): noodle
Spanish
Technical: pasta, fideo
Popular: pasta, fideo

---

normalization  
English
Technical (English): normalization
Popular (English): normalization
Spanish
Technical: normalización (nf)
Popular: normalización (nf)

---

normotensive  
English
Technical (English): normotensive
Popular (English): with normal blood pressure
Spanish
Technical: normotenso (adj)
Popular: que tiene tensión o presión normal

---

nose  
English
Technical (English): nose
Popular (English): nose
Spanish
Technical: nariz
Popular: nariz

---

nosebleed  
English
Technical (English): nosebleed
Popular (English): nosebleed
Spanish
Technical: hemorragia nasal, sangrado por la nariz
Popular: hemorragia nasal, sangrado por la nariz

---

nosocomial  
English
Technical (English): nosocomial
Popular (English): disease contracted in hospital
Spanish
Technical: nosocomial (adj)
Popular: relacionado con la hospitalización o con un hospital

---

nostalgic  
English
Technical (English): nostalgic
Popular (English): nostalgic
Spanish
Technical: nostálgico(a)
Popular: nostálgico(a)

---

nostril  
English
Technical (English): nostril
Popular (English): nostril
Spanish
Technical: fosa/ ventana nasal
Popular: fosa/ ventana nasal

---

notification  
English
Technical (English): notification
Popular (English): notification
Spanish
Technical: notificación
Popular: notificación

---

nourishing  
English
Technical (English): nourishing
Popular (English): nourishing
Spanish
Technical: nutritivo, alimenticio
Popular: nutritivo, alimenticio

---

novocain  
English
Technical (English): novocain
Popular (English): novocain
Spanish
Technical: novocaína
Popular: novocaína

---

nuclear  
English
Technical (English): nuclear
Popular (English): nuclear
Spanish
Technical: nuclear
Popular: nuclear

---

nuclear attack  
English
Technical (English): nuclear attack
Popular (English): nuclear attack
Spanish
Technical: ataque nuclear
Popular: ataque nuclear

---

nuclear explosion  
English
Technical (English): nuclear explosion
Popular (English): nuclear explosion
Spanish
Technical: explosión nuclear
Popular: explosión nuclear

---

nuclear medicine  
English
Technical (English): nuclear medicine
Popular (English): nuclear medicine
Spanish
Technical: medicina nuclear
Popular: medicina nuclear

---

nuclear weapon  
English
Technical (English): nuclear weapon
Popular (English): nuclear weapon
Spanish
Technical: arma nuclear
Popular: arma nuclear

---

nulliparous  
English
Technical (English): nulliparous
Popular (English): never having given birth
Spanish
Technical: nulípara (adj)
Popular: que no ha dado a luz a un lactante viable

---

numbness  
English
Technical (English): numbness
Popular (English): numbness
Spanish
Technical: entumecimiento, adormecimiento, insensibilidad
Popular: entumecimiento, adormecimiento, insensibilidad

---

nummular  
English
Technical (English): nummular
Popular (English): coin-like
Spanish
Technical: numular (adj)
Popular: en forma de moneda

---

nurse  
English
Technical (English): nurse
Popular (English): nurse
Spanish
Technical: enfermero(a), cuidar un enfermo, amamantar, lactar, dar pecho, dar de mamar
Popular: enfermero(a), cuidar un enfermo, amamantar, lactar, dar pecho, dar de mamar

---

nurse's aid  
English
Technical (English): nurse's aid
Popular (English): nurse's aid
Spanish
Technical: auxiliar de enfermero(a)
Popular: auxiliar de enfermero(a)

---

nursery  
English
Technical (English): nursery
Popular (English): nursery
Spanish
Technical: sala de recién nacidos, cuarto del bebé, guardería, cunero
Popular: sala de recién nacidos, cuarto del bebé, guardería, cunero

---

nursing home  
English
Technical (English): nursing home
Popular (English): nursing home
Spanish
Technical: ancianato, asilo de ancianos, casa para personas de la tercera edad
Popular: ancianato, asilo de ancianos, casa para personas de la tercera edad

---

nursing supervisor  
English
Technical (English): nursing supervisor
Popular (English): nursing supervisor
Spanish
Technical: supervisor(a)/ jefe(a) de enfermería
Popular: supervisor(a)/ jefe(a) de enfermería

---

nut  
English
Technical (English): nut
Popular (English): nut
Spanish
Technical: nuez, loco(a)
Popular: nuez, loco(a)

---

nutrient  
English
Technical (English): nutrient
Popular (English): nutrient
Spanish
Technical: sustancia nutritiva
Popular: sustancia nutritiva

---

nutrient  
English
Technical (English): nutrient
Popular (English): nutrient
Spanish
Technical: nutrimento (nm)
Popular: alimentación, alimento

---

nutrition  
English
Technical (English): nutrition
Popular (English): nutrition
Spanish
Technical: nutrición, alimentación
Popular: nutrición, alimentación

---

nutritional problems  
English
Technical (English): nutritional problems
Popular (English): nutritional problems
Spanish
Technical: problemas de nutrición/ alimentación
Popular: problemas de nutrición/ alimentación

---

nutritionist  
English
Technical (English): nutritionist
Popular (English): nutritionist
Spanish
Technical: nutricionista, nutriólogo(a)
Popular: nutricionista, nutriólogo(a)

---

nutritive  
English
Technical (English): nutritive
Popular (English): nutritive
Spanish
Technical: nutritivo(a), alimenticio(a)
Popular: nutritivo(a), alimenticio(a)

---

nutritive element  
English
Technical (English): nutritive element
Popular (English): nutritive element
Spanish
Technical: elemento nutritivo
Popular: elemento nutritivo

---

nystagmus  
English
Technical (English): nystagmus
Popular (English): wonky eyes
Spanish
Technical: nistagmo (nm)
Popular: movimiento rápido e involuntario del globo ocular

---