Prefix : A prefix is an element placed at the beginning of a word to adjust or qualify its meaning.
Learn with examples for Prefix: Infra, Intra, Inter, Iso, Mal, Macro, Mega, Micro, Neo, Noct, Para, Per, Peri, Poly, Pre, Post, Retro, semi, super, supra, tachy, trans
Infra- below, under
Intra- within
Inter- between
Iso- equal, same
Mal- bad, poor
Macro- large
Mega- large
Micro- small
Neo- new
Noct- Night
Para- by the side of
Per- through
Peri- surrounding, around
Poly- many
Pre- before
Post- after
Retro- backward, behind
Semi- half
Super- above, excessive
Supra- Above
Tachy- fast
Trans- across
Analgesia: It refers to the absence of pain.
R20.0 Anesthesia of skin
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Anodontia: It is a dental condition characterized by complete absence of teeth.
K00.0 Anodontia
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Anosmia: It is the partial or complete loss of the sense of smell.
R43.0 Anosmia
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Aphagia: It refers to loss of the ability of swallow.
R13.0 Aphagia
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Aphonia: It refers to loss of voice.
R49.1 Aphonia
Ambidextrous: It is the ability to use both the right and left hand equally well.
Antepartum: It refers to the time period before childbirth.
O46.001 Antepartum hemorrhage with coagulation defect, unspecified, first trimester
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Anteversion: It means “leaning forward”. Femoral anteversion is a condition in which the femoral neck leans forward with respect to the rest of the femur.
Q65.89 Other specified congenital deformities of hip (Anteversion of femoral neck)
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Anterolisthesis: It refers to the forward positioning of one spinal vertebra in relation to the adjacent vertebra beneath it.
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Anteprandial: Before a meal, especially before dinner.
Antibody: An antibody is a class of protein called an immunoglobulin, which is made by specialised white blood cells to identify and neutralise foreign objects like bacteria and viruses.
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Anticoagulant: It is commonly known as blood thinners, are chemical substances that prevent or reduce coagulation of blood, prolonging the clotting time.
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Antidiuretic: It is a substance that helps to control fluid balance by reducing urination and opposing diuresis.
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Antiseptic: It is a substance that stops or slows down the growth of microorganisms.
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Antidote: It is a substance that counteract the effects of poison.
Autograft: Tissue transplanted from one part of the body to another in the same individual.
T86.821 Skin graft (allograft) (autograft) failure
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Autoimmune disease: An illness that occurs when the body tissues are attacked by its own immune system.
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Autointoxication: It refers to poisoning with toxic substances formed within the body, as during intestinal digestion.
Bradycardia: It is an abnormally slow heart rate of less than 60 beats per minute
R00.1 Bradycardia, unspecified
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Bradykinesia: It refers to slowness of movement.
R25.8 other abnormal involuntary movements
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Bradypnea: It is the medical term for abnormally slow breathing.
R06.89 other abnormalities of breathing
Dysmenorrhea: It is the medical term for pain with menstruation.
N94.6 Dysmenorrhea, unspecified
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Dyspareunia: It is the medical term for painful intercourse.
N94.10 Unspecified dyspareunia
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Dysphagia: It is the medical term for swallowing difficulties.
R13.10 Dysphagia, unspecified
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Dyspnea: It is the medical term for shortness of breath.
R06.00 Dyspnea, unspecified
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Dystocia: It describes difficulty during labour.
O66.9 Obstructed labor, unspecified
Ectocardia: It refers to a congenital displacement of the heart.
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Ectropion: It is a condition in which the eyelid turns outward.
H02.101 Unspecified ectropion of right upper eyelid
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Exophthalmos: It is also known as proptosis, is the medical term for bulging or protruding eyeballs.
H05.20 Unspecified exophthalmos
Endometritis: Inflammation of the inner lining of the uterus. (Endometrium)
N71.9 Inflammatory disease of uterus, unspecified
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Endophlebitis: Inflammation of the inner coat (tunica intima) of a vein.
I80.10 Phlebitis and thrombophlebitis of unspecified femoral vein
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Endophthalmitis: Inflammation of the interior of the eye.
H44.001 Unspecified purulent endophthalmitis, right eye
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Endocarditis: It is an infection of the endocardium, which is the inner lining of the heart chambers and heart valves.
I38 Endocarditis, valve unspecified
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Endocervicitis: Inflammation of the mucous membrane of the uterine cervix.
N72 Inflammatory disease of cervix uteri
Eucapnia: The presence of normal amounts of carbon dioxide in the blood.
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Eunatremia: A normal concentration of sodium in blood plasma.
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Eupnea: It refers to normal relaxed breathing.
Extrasystoles: Heart beats that occur outside the heart’s regular rhythm are known as extrasystoles.
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Extrauterine pregnancy: A pregnancy that is not in the usual place and is located outside the inner lining of the uterus.
Homogenesis: A method of reproduction in which the parents and offspring are alike.
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Homograft: A graft of tissue taken from a donor of the same species as the recipient (allograft).
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Homosex: It refers to sexual attraction or sexual behaviour between members of the same sex or gender.
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Homozygous: It is a genetic condition where an individual inherits the same alleles for a particular gene from both parents.
Heterochromia: It is used to describe the condition where a person has different coloured eyes.
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Heterograft: A tissue graft taken from a species different from that of the recipient. It is also known as xenograft.
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Heterozygous: It refers to having inherited different forms of a particular gene from each parent.
Hemianalgesia: It refers to loss of pain sensation on one side of the body.
R20.0 Anesthesia of skin
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Hemianopia: It describes visual defects that occupy about half of an eye’s visual space.
H53.46 Homonymous bilateral field defects
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Hemicardia: It refers to lateral half of the heart, either the right or left.
Q24.8 Other specified congenital malformations of heart
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Hemiparesis: It refers to weakness or inability to move on one side of the body.
G81.90 Hemiplegia, unspecified affecting unspecified side
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Hemispasm: A spasm that affects only one lateral side of the body.
R25.2 Cramp and spasm
Hyperglycemia: It refers to high levels of sugar or glucose in the blood.
R73.9 Hyperglycemia, unspecified
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Hypertension: It is also known as high blood pressure, is a medical condition in which the blood pressure in the arteries is persistently elevated.
I10 Essential (primary) hypertension
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Hypercapnia: It is a condition of abnormally elevated carbon dioxide levels in the blood.
R06.89 Other abnormalities of breathing
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Hypergonadism: It is a condition where the gonads or the reproductive glands tend to produce hormones in excess.
E28.8 Other ovarian dysfunction
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Hyperkalemia: It refers to abnormal high potassium levels in the blood.
E87.5 Hyperkalemia
Hypoglycemia: It refers to low levels of sugar or glucose in the blood.
Hypotension: It is also known as low blood pressure, occurs when blood pressure drops below the normal range.
Hypocapnia: It is also known as hypocarbia, is a state of reduced carbon dioxide in the blood.
Hypogonadism: It is a condition where the gonads or the reproductive glands tend to produce little or no sex hormones.
Hypokalemia: It refers to low levels of potassium in the blood
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