- Ap
- ap-
- A-P
- AP, A-P
- APA
- APACHE II
- apallesthesia
- apallic syndrome
- apancreatic
- APAP acetaminophen
- APAP with codeine
- aparalytic
- aparathyrosis
- apareunia
- aparthrosis
- apathetic
- apathetically
- apathetic hyperthyroidism
- apathic
- apathism
- apathy
- apatite
- apatite crystal
- APC
- APE
- ape hand
- apellous
- apepsia
- apepsinia
- aperient
- aperiodic
- aperistalsis
- apéritif
- aperitive
- Apert syndrome
- apertura
- aperturae
- aperture
- apex
- apex beat
- apexcardiogram
- apexes
- apexigraph, apexograph
- apex murmur
- apex of the heart
- apex of the lung
- apexograph
- Apgar score
- APHA
- aphacia
- aphacic
- aphagia
- aphakia, aphacia
- aphakic
- aphakic eye
- aphalangia
- aphanisis
- aphasia
- aphasiac
- aphasic
- aphasiologist
- aphasiology
- aphemia
- aphephobia
- aphereses
- apheresis
- aphonia
- aphonia paranoica
- aphonic
- aphonic pectoriloquy
- aphonic speech
- aphonogelia
- Aphonopelma
- aphose
- aphrasia
- aphrasic
- aphrodisiac
- aphtha
- aphthae
- aphthic
- aphthoid
- aphthong
- aphthongia
- aphthosis
- aphthous
- aphthous stomatitis
- aphthous ulcer
- Apiaceae
- APIC
- apical
- apical abscess
- apical ballooning syndrome
- apical crowding
- apical cyst
- apical foramen
- apical granuloma
- apical heave
- apical infection
- apical ligament
- apical pericementitis
- apical periodontitis
- apical pulse
- apicectomy
- apices
- apicitis
- apicoectomy
- apicolocator
- apicolysis
- Apicomplexa
- apicostomy
- apicotomy
- apinealism
- apiphobia
- apitherapy
- aplanatic
- aplanatic lens
- aplasia
- aplasia axialis extracorticalis congenita
- aplasia cutis congenita
- aplastic
- aplastic anemia
- Apley, Alan Graham
- Apley compression/distraction test
- Apley scratch test
- APMA
- APMPPE
- APN
- APNA
- APN-CS
- apnea
- apnea alarm mattress
- apnea-hypopnea index
- apnea monitor
- apnea monitoring
- apnea of prematurity
- apnea test
- apneic oxygenation
- apneumatic
- apneumatosis
- apneumia
- apneusis
- apneustic breathing
- apneustic center
- apneustic respiration
- apo
- apo-, ap-
- apocamnosis
- apochromatic
- apochromatic lens
- apochromatic objective
- apocrine
- apocrine gland
- apocrine miliaria
- apocrine secretion
- apocrine sweat gland
- apodal, apodous
- apodia
- apodization
- apodize
- apodous
- APOE genotype
- apoenzyme
- apoferritin
- apogee
- apolar
- apolipoprotein
- apolipoprotein B-apolipoprotein A-I ratio
- apolipoprotein E
- apolipoprotein J
- apology law
- apomorphine
- apomorphine hydrochloride
- aponeurology
- aponeurorrhaphy
- aponeuroses
- aponeurosis
- aponeurositis
- aponeurotic
- aponeurotic fascia
- aponeurotome
- aponeurotomy
- apophyseal
- apophyses
- apophysial
- apophysis
- apophysis of Ingrassia
- apophysis raviana
- apophysitis
- apoplectic
- apoplectic coma
- apoplectic dementia
- apoplectic retinitis
- apoplectiform
- apoplectoid
- apoplexia
- apoplexia uteri
- apoplexy
- apoptosis
- aporepressor
- aposia
- apotemnophilia
- apothecaries' weight
- apothecaries' weights and measures
- apothecary
- apotripsis
- apovitellin
- apparatus
- apparent
- appearance
- appendage
- appendages of the eye
- appendages of the fetus
- appendages of the skin
- appendectomy
- appendical
- appendiceal, appendical
- appendiceal neuroma
- appendicectasis
- appendices
- appendicitis
- appendicoenterostomy
- appendicolysis
- appendicopathy
- appendicopathy oxyurica
- appendicostomy
- appendicular
- appendicular abscess
- appendicular artery
- appendicular muscle
- appendicular skeleton
- appendix
- appendix epididymidis
- appendix epiploica
- appendixes
- appendix testis
- appendix vermiformis
- apperception
- apperceptive
- apperceptively
- apperceptive personality test
- appestat
- appetite
- appetite suppression
- appetitive
- appetizer
- APPI
- applanate
- applanation
- applanation tonometer
- applanation tonometry
- applanometer
- apple core sign
- apple jelly nodule
- apple packer's epistaxis
- apple picker's disease
- apple sorter's disease
- appliance
- application
- application of heat
- application service provider
- application site
- applicator
- applied anatomy
- applied ethics
- applied kinesiology
- applied psychology
- applied research
- applied science
- appointment
- apposition
- apposition suture
- apprehension test
- approach
- appropriate
- appropriate for gestational age
- approximal
- approximate
- approximation suture
- apractagnosia
- apractic
- apraxia
- apraxic
- aprismatic enamel
- aproctia
- aproctous
- apron
- aprosody
- aprosopia
- aprotes
- aprotinin
- APRV
- APT
- APTA
- APTA Code of Ethics
- aptamer
- aptitude
- aptitude test
- APTT
- Apt test
- aptyalia, aptyalism
- aptyalism
- APUD cell
- APUD cells
- apudoma
- apulmonism
- apus
- apyknomorphous
- apyogenous
- apyretic
- apyrexia, apyrexy
- apyrexial
- apyrexy
- apyrogenetic, apyrogenic
- apyrogenic