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Home > Anatomy Terms and Definitions

Anatomy Terms and Definitions:

Choose an anatomy category to find definitions of related terms.
Animal Structures - Organs and other anatomical structures of non-human vertebrate and invertebrate animals.
Body Regions - Anatomical areas of the body.
Cardiovascular System - The HEART and the BLOOD VESSELS by which BLOOD is pumped and circulated through the body.
Cells - Minute protoplasmic masses that make up organized tissue, consisting of a nucleus which is surrounded by protoplasm which contains the various organelles and is enclosed in the cell or plasma membrane. Cells are the fundamental, structural, and functional units of living organisms. (Dorland, 28th ed)
Digestive System - A group of organs stretching from the MOUTH to the ANUS, serving to breakdown foods, assimilate nutrients, and eliminate waste. In humans, the disgestive system includes the GASTROINTESTINAL TRACT and the accessory glands (LIVER; BILIARY TRACT; PANCREAS).
Embryonic Structures - The anatomical parts that make up an organism in the early stages of development.
Endocrine System - The system of glands that release their secretions (hormones) directly into the circulatory system. In addition to the ENDOCRINE GLANDS, included are the CHROMAFFIN SYSTEM and the NEUROSECRETORY SYSTEMS.
Fluids and Secretions - Liquid substances produced by living organisms to fulfill specific functions or excreted as waste. Secretions do not include hormones or enzymes.
Hemic and Immune Systems - Organs involved in the production of BLOOD, including the cellular and the molecular components essential in providing defense against foreign organisms or substances.
Integumentary System - The outer covering of the body composed of the SKIN and the skin appendages, which are the HAIR, the NAILS; and the SEBACEOUS GLANDS and the SWEAT GLANDS and their ducts.
Musculoskeletal System - The MUSCLES, bones (BONE AND BONES), and CARTILAGE of the body.
Nervous System - The entire nerve apparatus, composed of a central part, the brain and spinal cord, and a peripheral part, the cranial and spinal nerves, autonomic ganglia, and plexuses. (Stedman, 26th ed)
Respiratory System - The tubular and cavernous organs and structures, by means of which pulmonary ventilation and gas exchange between ambient air and the blood are brought about.
Sense Organs
Stomatognathic System - The mouth, teeth, jaws, pharynx, and related structures as they relate to mastication, deglutition, and speech.
Tissues - Collections of cells organized in a cooperative arrangement for the purpose of performing a particular function.
Urogenital System - All the organs involved in reproduction and the formation and release of URINE. It includes the kidneys, ureters, BLADDER, URETHRA, and the organs of reproduction - ovaries, UTERUS, FALLOPIAN TUBES, VAGINA, and CLITORIS in women and the testes, SEMINAL VESICLES, PROSTATE, seminal ducts, and PENIS in men.

Anatomy Definitions and Terms

MedicalGlossary.org is designed as a free, browsable resource for all. The medical terms and definitions are not intended to replace medical informaion provided by licensed healthcare professionals. Please see a doctor if you need medical assistance. Don't see the medical term you were researching?  Send us an e-mail from our "about us" page.  We will do our best to research and classify new medical terms in a timely manner. Our current list of medical terms is over 26,000. Data sources include the U.S. National Library of Medicine, 2004 Medical Subject Headings.

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