Research Consent Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

H

Hair - Thin strands of protein that grow up from the hair follicles

Heart - Muscle that moves or pumps blood through the body

Heart Failure - When the heart inadequately pumps blood through the body

Heart Murmur - Swishing sound, heard when listening to the heart through a stethoscope, caused by abnormal flow of blood through the heart

Hematemesis - Blood in vomit

Hematocrit - The percentage of blood made u of red blood cells

Hematocytopenia - Not enough blood cells

Hematologist - Doctor who treats blood disorders

Hematology - The study of blood

Hematoma - Pocket of blood caused by bleeding from a broken blood vessel; appears "black and blue"

Hematopoiesis - The making of blood cells

Hematosalpinx - Blood in the uterine tube

Hematuria - Blood in the urine

Hemipareis - Muscle weakness or partial paralysis, usually with loss of feeling, on one side of the body

Hemiplegia - Total loss of muscle movement, usually with loss of feeling, on half of the body

Hemodialysis - Method used to remove waste material from the blood

Hemoglobin (Hgb) - Substance that carries oxygen and gives blood its red color

Hemodynamic - Measuring of blood flow Measuring

Hemolysis - Bursting open of red blood cells

Hemophilia - Genetic defect in which blood clots too slowly

Hemorrhage - Bleeding; escape of blood from blood vessels

Hemorrhoidectomy - Surgery to remove hemorrhoids

Hemorrhoids - Twisted and bulging veins in the rectal area

Hemostasis - The stopping of bleeding

Hemothorax - Blood in the chest cavity

Heparin - Lock Needle placed in the arm with blood thinner to keep the blood from clotting

Hepatitis - Inflammation of the liver

Hepatoma - Growth on the liver

Hernia - Bulging of an organ through an abnormal opening in a muscle wall

Herniated - Disk Breaking of a ring-shaped pad in the spine, which often pinches a nerve; slipped disk

Herniorrhaphy - Surgery to fix a hernia

Herpes - Groups of tiny blisters found on the skin caused by infection with a herpes virus

Hetersexual - Person who is attracted to the opposite sex

Hgh - See hemoglobin (Hgb)

Hicuup - Sudden, uncontrolled spasm of the diaphragm

Hidradenitis - Inflammation of a sweat gland

Hip Bone - Bone at the lower part of the body trunk

Hirsultism - Abnormal hairiness (in women, an adult male pattern of hair distribution)

Histology - The study of tissue under the microscope

Hodgkin's Disease - A cancer of white blood cells

Holter Monitor - A portable machine for recording heart beats

Homosexual - Person who is attracted to the same sex

Hordeolum - Infection of the oil glands of the eyelids; stye

Hormone - Substance made by a gland in the body that regulates another part of the body

Hospital Formulary - List of drugs and their proper doses maintained by each hospital

Humeral - Having to do with the upper arm bone

Humerus - Upper arm bone

Hydrocephalus - Increase in fluid in the brain usually causing pressure on the brain; water on the brain

Hydronephrosis - Abnormal collection of urine in the kidney causing a swollen kidney

Hydrosalpinx - Fluid in the uterine tube

Hymen - Fold of tissue at the opening of the vagina

Hymenectomy - Surgery to remove the hymen

Hypercalcemia - Too much calcium in the blood

Hypercapnia - Too much carbon dioxide in the blood

Hyperesthesia - Very sensitive to touch

Hyperglycemia - Too much sugar in tile blood

Hyperkalemia - Too much potassium in the blood

Hyperkinesis - Overactive movements

Hyperopia - Farsightedness

Hyperplasia - Abnormal increase in number of normal cells

Hypertension - High blood pressure

Hypertensive Heart - Heart problems caused by high blood pressure Disease

Hyperthyroidism - Overactive thyroid gland

Hyperventilation - Breathing that is too fast

Hypnotic - Drug used to make a person sleep

Hypocalcemia - Not enough calcium in the blood

Hypocapnia - Not enough carbon dioxide in the blood

Hypochondriac Region - Area to the right or left above the navel

Hypodermic - Under the skin

Hypodermic - Injection Injection of a substance under the skin

Hypoesthesia - State of having less than normal sensitivity to stimulation

Hypogastric Region - Area below the navel

Hypoglycemia - Not enough sugar in the blood

Hypokalemia - Not enough potassium in the blood

Hypopnea - Weak, slow breathing

Hypospadias - Birth defect in which the urethra opens under the penis instead of at the tip of the penis

Hypothermia - Low body temperature

Hypothyroidism - Underactive thyroid gland

Hypotonia - Decreased muscle tone

Hypoventilation - Too little air entering the lungs

Hypoxemia - Not enough oxygen in the blood

Hypoxia - Not enough oxygen in the tissues

Hysteratresia - Birth defect in which the uterus does not open to the outside of the body

Hysterectomy - Surgery to remove the uterus

Hysteropexy - Surgery to fasten down the uterus in its normal position

Hysterosalpingo - Surgery to remove all of the internal female reproductive Oophorectomy organs

Hysterosalpingography - Taking an x-ray of the uterus and the uterine tubes using a dye to outline them

Hysteroscope - Tool used to look into the uterus