AAA
American Ambulance Association
A.A.A
American Academy of Allergists; American Association of Anatomists
A.A.A.S
American Association for the Advancement of Science
AABB
American Association of Blood Banks
AACC
American Association for Clinical Chemistry
A.A.C.N
American Association of Critical-Care Nurses; American Association of Colleges of Nursing
A.A.F.P
American Academy of Family Physicians
AAHN
American Association for the History of Nursing
AAL
anterior axillary line
A.A.M.A
American Association of Medical Assistants
A.A.M.I
Association for the Advancement of Medical Instrumentation
AAMS
Association of Air Medical Services
AAMT
American Association for Medical Transcription
A.A.N
American Academy of Nursing
A.A.N.A
American Association of Neuroscience Nurses
A.A.O.H.N
American Association of Occupational Health Nurses
A.A.O.S
American Academy of Orthopedic Surgeons
A.A.P
American Academy of Pediatrics; American Association of Pathologists
A.A.P.A
American Academy of Physician Assistants
AAPMR
American Academy of Physical Medicine and Rehabilitation
A.A.R.C
American Association for Respiratory Care
AARP
American Association of Retired Persons
AAS
atomic absorption spectroscopy
AASECT
American Association of Sec Educators, Counselors, and Therapists
Ab
antibody
Abacavir
A nucleoside analogue reverse transcriptase inhibitor used in the treatment of HIV-1
Abadie's sign
Charles A. Abadie - In exophthalmic goiter, spasm of the levator palpebrae superioris
A band
A dark-staining area in the center of a sarcomere in skeletal or cardiac muscle, composed of overlapping myosin and actin filaments.
Abandonment
A premature termination of the professional treatment relationship by the health care provider without adequate notice or the patient's consent
Abaptiston
Trephine that cannot slip and injure the brain
Abarognosis
Loss of ability to sense weight.
Abarthrosis
A moveable joint or point at which bones move freely against each other.
Abarticular
At a distance from a joint
Abarticulation
Ambiguous term meaning dislocation of a joint. 2. Diarthrosis
Abasia
motor incoordination in walking. 2. Inability to walk due to impairment of coordination
a.-astasia
lack of motor coordination with inability to stand or walk
paralytic a.
Abasia in which the leg muscles are paralyzed
paroxysmal trepidant a.
abasia caused by trembling and sudden stiffening of legs on standing, making walking impossible. It may be related to hysteria
Abate
To lessen or decrease. 2. To cease or cause to cease
Abatement
Decrease in severity of pain or symptoms.
Abaxial, abaxile
Not within the axis of a body or part. 2. At the opposite end of the axis of a part
Abbe-Wharton-Mclndoe operation
A surgical procedure performed to create a new vagina in patients who do not have one.
Abbot's method
A treatment for scoliosis that is no longer used, in which a series of plaster jackets were applied to straighten the spine
ABC
antigen- binding capacity; airway, breathing, circulation
ABCD
A mnemonic to aid health care providers in the recognition of malignant melanoma.
abciximab
a monoclonal antibody that inhibits platelet aggregation and prevents blood clots from forming.
acute abciximab
An abnormal condition of the abdomen in which there is a sudden, abrupt onset of severe pain.
pendulous abciximab
A condition in which the excessively relaxed anterior abdominal wall hangs over the pubis
scaphoid abciximab
a condition in which the anterior wall is hollowed, presenting a sunken appearance as in emaciation
Abdominal
pertaining to the abdomen
Abdominal decompression
A technique used in obstetrics to facilitate child birth
Abdominal muscles
The group of four muscles that make up the abdominal wall consisting of the rectus abdominis, external oblique, internal oblique, transversus abdominis
abdominal quadrants
Four parts or divisions of the abdomen determined by drawing imaginary vertical and horizontal lines through the umbilicus
Abdominal reflexes
Contraction of the muscles of the abdominal wall on stimulation of the overlying skin.
Abdominal regions
The abdomen and its external surface, divided into nine regions by four imaginary planes
Abdominal rescue
Emergency cesarean delivery of a fetus jeopardized during labor or failed vaginal birth.
Abdominal rings
The apertures in the abdominal wall
abdominocentesis
puncture of the abdomen with an instrument for withdrawal of fluid from the abdominal cavity
Abdominocyesis
abdominal pregnancy
Abdominocystic
pertaining to the abdomen and bladder
abdominodiaphragmatic breathing
A controlled breathing pattern using reciprocal action of the abdominal muscles for expiration and the diaphragm for inspiration
Abdominogenital
Pertaining to the abdomen and genital or gans
Abdominohysterectomy
Removal of the uterus through abdominal incision
abdominohysterotomy
Incision of the uterus through a surgical opening in the abdomen
Abdominoperineal
pertaining to the abdomen and perineum area
Abdominoplasty
plastic surgery on the abdomen
Abdominoscopy
An outdated term for laparoscopy
abdominoscrotal
pertaining to abdomen and scrotum
abdominoscrotal muscle
Cremaster
Abdominothoracic
pertaining to the abdomen and thorax
Abdominouterotomy
Abdominohysterotomy
Abdominovaginal
pertaining to the abdomen and vagina
Abdominovesical
pertaining to the abdomen and urinary bladder
Abducens
Pertaining to drawing away from the midline of the body
abducens labiorum
The muscle that elevates the angle of the mouth
Abdominalgia
pain in the abdomen
abdominalgia oculi
Musculus rectus lateralis bulbi
Abducens muscle
Rectus lateralis muscle of the eye; it moves the eyeball outward
Abducens nerve
The sixth cranial nerve; it innervates the lateral rectus muscle of the eye
Abducent
Abducting; leading away. 2. Abducens.
Abducent nerve
Abducens nerve
Abduct
To draw away from the median plane of the body or one of its parts
Abduction
lateral movement of the limbs away from the median plane of the body, or lateral bending of the head or trunk.
Movement of the digits away from the axial line of a limb.
Outward rotation of the eyes
Abductor
muscle that moves a part away from the midline
Abentric
Related to or involving organs located outside the intestines
Abernethy's Fascia
A layer of areolar tissue separating the external iliac artery from the biliac fascia over the soas muscle
Aberrant
Deviating from the normal
aberrant conduction
In the electrical conduction system of the heart, the passage of the electrical stimulus via an abnormal pathway, diagnosed by examination of the electrocardiogram
Aberratio
aberration
a. testis
Location of a testis in a position away from the path of normal descent
Aberration
Deviation from the normal
Imperfect refraction of light rays
Chromatic aberration
Unequal refraction of different wavelengths of light through a lens, producing a colored image
Chromosomal aberration
An abnormality in chromosomes regarding number or chromosomal material
Dioptric aberration
Spherical a.
Lateral aberration
Deviation of a ray from the focus measured on a line perpendicular to the axis
Longitudinal aberration
Deviation of a ray from the direction parallel to the optic axis
Spherical aberration
Aberration or distortion of an image due to rays entering the peripheral portion of spherical mirror or lens being reflected differently from those closer to the center