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 ha