Echocardiogram
/ˌɛkoʊˈkɑːrdiəˌɡræm/
A test that uses ultrasound waves to produce live images of the heart.
Ectopic
/ɛkˈtɒpɪk/
In an abnormal place or position (e.g., an ectopic pregnancy or heartbeat).
Effector
/ɪˈfɛktər/
An organ or cell that acts in response to a stimulus.
Efferent
/ˈɛfərənt/
Conducted or conducting outward or away from something (e.g., motor nerves away from the brain).
Ejaculation
/iˌdʒækjuˈleɪʃən/
The action of ejecting semen from the body.
Electrocardiogram
/iˌlɛktroʊˈkɑːrdiəˌɡræm/
A record or display of a person's heartbeat produced by electrocardiography (ECG/EKG).
Electrolytes
/iˈlɛktrəˌlaɪts/
Minerals in your body that have an electric charge, such as sodium and potassium.
Embolism
/ˈɛmbəˌlɪzəm/
Obstruction of an artery, typically by a clot of blood or an air bubble.
Endocardium
/ˌɛndoʊˈkɑːrdiəm/
The thin, smooth membrane which lines the inside of the chambers of the heart.
Endocrine
/ˈɛndəkrɪn/
Relating to glands which secrete hormones or other products directly into the blood.
Endocytosis
/ˌɛndoʊsaɪˈtoʊsɪs/
The taking in of matter by a living cell by invagination of its membrane to form a vacuole.
Endometrium
/ˌɛndoʊˈmiːtriəm/
The mucous membrane lining the uterus, which thickens during the menstrual cycle.
Endothelium
/ˌɛndoʊˈθiːliəm/
The tissue which forms a single layer of cells lining the blood vessels and heart.
Enzyme
/ˈɛnzaɪm/
A substance produced by a living organism which acts as a catalyst to bring about a biochemical reaction.
Eosinophil
/ˌiːəˈsɪnəfɪl/
A type of disease-fighting white blood cell often indicative of a parasitic infection or allergy.
Epidermis
/ˌɛpɪˈdɜːrmɪs/
The surface epithelium of the skin, overlying the dermis.
Epinephrine
/ˌɛpɪˈnɛfrɪn/
Another term for adrenaline; a hormone secreted by the adrenal glands in response to stress.
Epithelium
/ˌɛpɪˈθiːliəm/
The thin tissue forming the outer layer of a body's surface and lining the alimentary canal.
Erythrocyte
/ɪˈrɪθrəˌsaɪt/
A red blood cell that (in humans) is typically a biconcave disc without a nucleus.
Erythropoietin
/ɪˌrɪθroʊˈpɔɪɪtɪn/
A hormone secreted by the kidneys that increases the rate of production of red blood cells.
Esophagus
/ɪˈsɒfəɡəs/
The part of the alimentary canal which connects the throat to the stomach.
Estrogen
/ˈɛstrədʒən/
Any of a group of steroid hormones which promote the development and maintenance of female characteristics.
Exocytosis
/ˌɛksoʊsaɪˈtoʊsɪs/
A process by which the contents of a cell vacuole are released to the exterior through fusion with the cell membrane.
Expiration
/ˌɛkspɪˈreɪʃən/
The act of breathing out; exhalation.