Anatomy of the human body
Human Anatomy | |
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Latin | Anatomia humani corporis |
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TH | {{#property:P1694}} |
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Anatomical terminology [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] |
Human anatomy is the scientific study of the morphology of the adult human. It is subdivided into gross anatomy and microscopic anatomy. Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of anatomical structures that can be seen by the naked eye. Microscopic anatomy is the study of minute anatomical structures assisted with microscopes, and includes histology (the study of the organization of tissues), and cytology (the study of cells).
Overview[edit | edit source]
Anatomy is inherently tied to embryology, comparative anatomy, evolutionary biology, and phylogeny, as these are the processes by which anatomy is generated over immediate (embryology) and long (evolution) timescales. Human anatomical structures are primarily understood through their DNA information. The study of "macro" or large-scale structures of the human body is known as gross anatomy. On the other hand, microanatomy involves the use of optical instruments in the study of the tissues of various structures, known as histology, and also in the study of cells.
Systems of the Human Body[edit | edit source]
The human body is composed of several organ systems, each dedicated to specific functions necessary for the body's health and survival. Below are the major systems:
Skeletal system[edit | edit source]
The skeletal system provides the hard structure (skeleton) to the body made up of bones and cartilage. It also includes joints, ligaments, and other connective tissue that stabilizes or interconnects these other structures.
Muscular system[edit | edit source]
The muscular system consists of skeletal, smooth, and cardiac muscles. It permits movement of the body, maintains posture, and circulates blood throughout the body.
Circulatory system[edit | edit source]
The circulatory system includes the heart, blood vessels, and blood. It is responsible for pumping blood to distribute nutrients, oxygen, and waste.
Nervous system[edit | edit source]
The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. It is responsible for controlling both voluntary and involuntary physiological functions.
Respiratory system[edit | edit source]
The respiratory system includes the lungs, trachea, and other breathing systems. It is responsible for the intake of oxygen and the expulsion of carbon dioxide.
Digestive system[edit | edit source]
The digestive system consists of the oral cavity, esophagus, stomach, intestines, liver, pancreas, and other associated organs. It is responsible for the digestion and absorption of nutrients.
Endocrine system[edit | edit source]
The endocrine system consists of glands that secrete hormones into the bloodstream that regulate metabolism, growth, and sexual function.
Urinary system[edit | edit source]
The urinary system includes the kidneys, ureters, bladder, and urethra. It is responsible for removing waste from the body and regulating blood volume and pressure.
Reproductive system[edit | edit source]
The reproductive system varies significantly between males and females. In females, it includes the ovaries, fallopian tubes, uterus, vagina, and mammary glands. In males, it includes the testes, vas deferens, seminal vesicles, prostate, and penis.
See also[edit | edit source]
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Contributors: Prab R. Tumpati, MD