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Anatomy - Ch.1
Anatomy - Chapter 1 - Body Organization
Question | Answer |
---|---|
Define Human anatomy | structure of the human body |
Define Human physiology | function of anatomical structures |
_____ are composed of organ systems | Organisms |
_____ are composed of organs | Organ systems |
_____ are composed of tissues | Organs |
_____ are composed of cells | Tissues |
_____ are composed (in part) of organelles | Cells |
the smallest units of an organism that carry out all the basic functions of life | cells |
True or False Nothing simpler than a cell is considered alive | True |
A tissue is a... | ... mass/layer of similar cells that performs a specific function |
An organ is... | ...two or more tissue types that work together to carry out a particular function. definite anatomical boundaries and are visibly distinguishable from adjacent structures |
An organ system is a... | ...group of organs that carry out a basic function of the organism |
The human body has how many systems? | 11 |
Gross Anatomy | the study of the structure visible to the naked eye |
systematic anatomy | study one organ system at a time |
regional anatomy | multiple organ systems in a given region perspective typically taught at medical schools |
Name 3 organs that belong to more than one organ system | Male urethra, pharynx, and mammary glands |
Organ systems are classified by what? | Principal functions |
Integumentary System | External support and protection |
Skeletal System | Support and framework Production of blood cells |
Muscular System | Body movement, posture support, and heat production |
Nervous System | Regulation of all body activities |
Endocrine System | Secretes hormones |
Circulatory System | Transports blood, removes metabolic waste |
Lymphatic System | Body immunity, and tissue drainage |
Respiratory System | Gas exchange |
Digestive System | Breakdown and absorption of food |
Urinary System | Filters blood, and removal of metabolic waste |
Reproductive System | Production of sex cells |
Eponyms | (=tombstone names) - terms coined from the names of people |
About __% of today’s medical terms are formed primarily from about 1,200 Greek and Latin roots | 90% |
Anatomical position | is a stance in which a person: stands erect with feet flat on the floor arms at sides palms, face and eyes facing forward |
sagittal plane | (divides into right and left) portions |
midsagittal plane | (equal right and left halves) |
frontal plane | (divides into anterior and posterior portions) |
supine | face up or forward |
prone | aces down or rearward |
Two major regions | Axial and Appendicular |
Axial Region | Head, Cervical region (neck),and trunk |
Appendicular Region | Upper and lower limbs |
Axial - Thoracic Region | Pectoral, Sternal, Acromial, Axillary, Vertebral, and Scapular |
Axial - Abdominal Region | Umbilical and Lumbar |
Axial - Pelvic Region | Pubic, Inguinal, Sacral, Gluteal, and Perineal |
Appendicular - Upper Limb | Brachium, cubital, antebrachium, carpus, manus, palmar surface, dorsum, digits |
Appendicular - Lower Limb | Femoral (thigh), Crus (Crural), popliteal, patellar, tarsus, pes, dorsum, plantar surface, digits |
Anterior | Toward the front of the body |
Toward the front of the body | anterior |
Posterior | Toward the back of the body |
Toward the back of the body | Posterior |
Superior | above |
above | superior |
Inferior | below |
below | inferior |
cephalic | toward the head or superior end |
rostral | toward the forehead or nose |
caudal | toward the tail |
medial | toward the midline of the body |
Lateral | away from the midline |
Proximal | closer to the point of attachment or origin |
distal | Farther from the point of origin |
Deep | Farther from the surface |
Superficial | Close to the surface |
Oblique | Angle cuts |