H

hard palate (hard PAL-ăt):
The hard palate is located at the anterior region of the nasal cavity and is composed of bone.
heart murmur (hart MŬR-mŭr):
An abnormal heart sound.
heart rate (hart rāt):
The number of times the heart contracts in one minute.
hematocrit (hē-MAT-ŏ-krĭt):
A lab test which measures the percentage red blood cells in a sample of whole blood. It represents how much of the person’s blood is made up of red blood cells, by volume.
hematologist (hĕm-ă-TŎL-ō-jĭst):
Physician who specializes and treats blood disorders.
hematology (hĕm-ă-TŎL-ō-jē):
Study of blood.
hematoma (hĕm-ă-TŌ-mă):
Tumor composed of blood.
hematopoiesis (hē-mat-ŏ-poy-Ē-sĭs):
The process in which the body produces blood.
hematosalpinx (hē-măt-ŏ-SAL-pingks):
Blood in the uterine/fallopian tube.
hematuria (hē-mă-TOOR-ē-ă):
Blood in the urine.
hemicolectomy (hĕm-ē-kō-LĔK-tō-mē):
Excision of half of the colon.
hemiparesis (hĕm-ē-PĂR-ĕ-sĭs):
Slight paralysis of half (right or left) side of the body.
hemiplegia (hĕm-ē-PLĒ-jē-ă):
Paralysis that effects one side of the body.
hemodialysis (HD) (hē-mō-dī-ĂL-ĭ-sĭs):
Procedure for removing impurities from the blood due to an inability of the kidney to function.
hemolysis (hemolysis):
Breaking apart of the erythrocyte cell membrane, allowing its contents to leak out.
hemopoiesis (hē-mō-poy-Ē-sĭs):
The production of blood cells and platelets, which occurs in the bone marrow.
hemopoietic growth factors:
Chemical messengers which promote the proliferation and differentiation of formed elements and include erythropoietin, thrombopoietin, colony-stimulating factors, and interleukins.
hemorrhage (HEM-(ŏ-)răj):
Excessive or uncontrolled bleeding from the blood vessels.
hemorrhagic stroke (HEM-(ŏ-)răj-ik strōk):
Disruption of blood flow to the brain caused by bleeding within the cranial vault.
hemorrhoids (HEM-ŏ-royds):
Distended and swollen veins in the rectum and anus.
hemostasis (hē-MŎ-STĀ-sĭs):
The process by which the body seals a ruptured blood vessel to prevent further blood loss. Biological process that results in stable equilibrium.
hemothrax (hē-mŏ-THŌR-aks):
Blood in the chest cavity.
hepatitis (hep-ă-TĪT-ĭs):
Inflammation of the liver.
hepatoma (hĕp-ă-TŌ-mă):
Tumor of the liver.
hepatomegaly (hep-ăt-ō-MEG-ă-lē):
Enlarged liver.
herniorrhaphy (hĕr-nē-OR-ă-fē):
Suturing of a hernia.
hiatal:
Location where the diaphragm has a small opening (hiatus) through which the esophagus passes before connecting.
hidradenitis (hi-dra-ĕn-ĪT-ĭs):
Inflammation of a sweat gland.
high-density lipoprotein (HDL) (hi DEN-sit-ē lip-ō-PRŌ-tēn):
High-density lipoprotein, often referred to as ‘good’ cholesterol.
hilum (HĪ-lŭm):
The hilum is a ridge of cartilage that separates the two main bronchi. A concave region where blood vessels, lymphatic vessels, and nerves also enter the lungs.
hirsuitism (HŬR-sŭ-tĭ-zm):
Excess hair all over the body.
histamine (HIS-tă-mēn):
Vasoactive mediator in granules of mast cells and is the primary cause of allergies and anaphylactic shock. Involved in the inflammatory response and typically causes itching.
homeostasis (hō-mē-ō-STĀ-sĭs):
Biological process that results in stable equilibrium.
hormonal replacement therapy (HRT):
Replacement of hormones, estrogen, and progesterone, typically to treat symptoms associated with menopause.
hormone (HOR-mōn):
Secretion of an endocrine organ that travels via the bloodstream or lymphatics to induce a response in target cells or tissues in another part of the body.
human immunodeficiency virus (HIV) (hu-man im-yŭ-nō-dĕ-FISH-ĕn-sē VĪ-rŭs):
A retrovirus that attacks the T-helper cells of the immune system. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency syndrome).
human papillomavirus (HPV (PAP-ĭ-LŌ-mă-VĪ-rŭs)):
A sexually transmitted disease with over 40 subtypes that cause diseases in humans ranging from common warts to cervical cancer.
humeral (HŪ-mĕr-ăl):
Pertaining to the humerus.
hydrocele (HĪ-drŏ-sēl):
fluid-filled sac around the testicle.
hydrocelectomy (hī-drō-sē-LĔK-tō-mē):
Surgical removal of a fluid-filled sac around the testicle causing scrotal swelling (hydrocele).
hydrocephalus (hī-drō-SEF-ă-lŭs):
An abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the brain.
hydronephrosis (hī-drō-nĕf-RŌ-sĭs):
Abnormal condition of water in the kidney.
hydrosalpinx (hī-drō-SĂL-pĭnks):
Water in the uterin/fallopian tube.
hydrostatic (hī-drō-STAT-ik):
Relating to the equilibrium of liquids and the pressure exerted by liquid at rest.
hymen (HĪ-mĕn):
 The fold of membrane found near the opening of the vagina.
hymenectomy (hī-mĕn-ĔK-tō-mē):
Excision of the hymen.
hymenotomy (hī-mĕ-NOT-ŏ-mē):
Incision into the hymen.
hypercalcemia (hī-pĕr-kal-SĒ-mē-ă):
Excessive calcium in the blood.
hypercapnia (hī-pĕr-KAP-nē-ă):
Condition of excessive (greater than normal levels) carbon dioxide (in the blood).
hypercholesterolemia (hī-pĕr-kō-lĕs-tĕr-ŏl-Ē-mē-ă):
Higher than normal levels of cholesterol in the blood.
hyperemesis (hī-pĕr-EM-ĕ-sĭs):
Excessive vomiting during pregnancy.
hyperemesis gravida (hī-pĕr-EM-ĕ-sĭs GRĂV-ĭ-dă):
Excessive vomiting during pregnancy.
hyperemesis gravidarum (hī-pĕr-EM-ĕ-sĭs GRĂV-ĭ-dŭm):
Hyperemesis can occur with any pregnant women, even a woman who miscarries. Often these women may require hospitalization for fluid and electrolyte intake.
hyperesthesia (hī-pĕr-es-THĒ-zh(ē-)ă):
Excessive sensitivity to stimuli.
hyperglycemia (hī-pĕr-glī-SĒ-mē-ă):
Excessive sugar in the blood.
hyperkalemia (hī-pĕr-kā-LĒ-mē-ă):
Excessive potassium in the blood.
hyperkinesia (hī-pĕr-kī-NĒ-zh(ē-)ă):
Condition of excessive movement.
hyperlipidemia (hī-pĕr-lĭp-ĭ-DĒ-mē-ă):
Excessive fat in the blood.
hyperopia (hī-pĕr-Ō-pē-ă):
Farsightedness; near objects look blurred but distant objects are more clearly visible.
hyperpnea (hī-pĕrp-NĒ-ă):
Forced breathing or breathing that is excessive.
hypersensitivities (hī-pĕr-sĕn-sĭ-TĬV-ĭ-tēs):
Reacting to something that would not normally evoke a reaction.
hypertension (HTN) (hī-pĕr-TEN-shŏn):
High blood pressure.
hyperthyroidism (hī-pĕr-THĪ-royd-ĭzm):
State of excessive thyroid gland activity.
hypertrophy (hī-PĔR-trŏ-fē):
Excessive development.
hypocalcemia (hī-pō-kal-SĒ-mē-ă):
Deficient calcium in the blood.
hypocapnia (hī-pō-KAP-nē-ă):
Condition of deficient (low levels) of carbon dioxide (in the blood).
hypodermic (hī-pō-DĔR-mĭk):
Pertaining to below the skin.
hypodermis (hī-pŏ-DĔR-mĭs):
Literally means below the dermis. The layer of skin below the dermis that is composed mainly of loose connective and fatty tissues.
hypoglycemia (hī-pō-glī-SĒ-mē-ă):
Deficient sugar in the blood.
hypokalemia (hī-pō-kā-LĒ-mē-ă):
Deficient potassium in the blood.
hyponatremia (hī-pō-nā-TRĒ-mē-ă):
Deficient sodium in the blood.
hypopituitarism (hī-pō-pĭ-TŪ-ĭt-ă-rizm):
State of deficient pituitary gland activity.
hypopnea (hī-pōp-NĒ-ă):
Deficient breathing.
hypothalamus (hī-pō-THAL-ă-mŭs):
Major region of the diencephalon that is responsible for coordinating autonomic and endocrine control of homeostasis.
hypothalmic:
A region of the forebrain below the thalamus.
hypothermia (hī-pō-THĔR-mē-ă):
Condition of (body) temperature that is below (normal).
hypothyroidism (hī-pō-THĪ-royd-izm):
Underactive thyroid gland, insufficient production of thyroid hormones (T3 and T4).
hypovolemic (hī-pō-vō-LĒ-mēk):
State of abnormally low extracellular fluid in the body.
hypoxemia (hip-ok-SĒ-mē-ă):
Condition of deficient oxygen.
hypoxia (hī-POKS-ē-ă):
Literally: ‘lower than normal amount of oxygen to tissues’. Hypoxia means that a tissue is not getting enough oxygen to survive and cell death is likely.
hysterectomy (his-tĕ-REK-tŏ-mē):
Surgical removal of the uterus.
hysteropexy (his-tĕ-RŌ-pĕks-ē):
Surgical fixation of the uterus.
hysterorrhexis (his-tĕ-rō-REK-sĭs):
Rupture of the uterus.
hysterosalpingo-oophorectomy (hist-ĕ-rō-sal-ping-gō-ō-ŏ-fŏ-REK-tŏ-mē):
Excision of the uterus, uterine tubes, and ovaries.
hysterosalpingogram (HSG) (his-tĕ-rō-sal-PING-ō-gram):
Radiographic image of the uterus and uterine tubes.
hysteroscope (HIS-tĕ-rō-skōp):
Instrument used for visual examination of the uterus.
hysteroscopy (his-tĕ-ROS-kŏ-pē):
Visual examination of the uterus.

Attribution

Except where otherwise noted, this book is adapted from Medical Terminology by Grimm et al. (2022), Nicolet College, CC BY 4.0 International. / A derivative of Building a Medical Terminology Foundation by Carter & Rutherford (2020), and Anatomy and Physiology by Betts, et al., CC BY 4.0, which can be accessed for free at OpenStax Anatomy and Physiology.

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Building a Medical Terminology 2e - Student Companion Workbook Copyright © 2024 by Kimberlee Carter; Marie Rutherford; and Connie Stevens is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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