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Anatomy and Physiology
Chapter 1
58
Biology
Undergraduate 1
01/11/2009

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Term
Anatomy
Definition
Studies the structure of the body parts
Term
Physiology
Definition
The function of the body
Term
Gross, Macroscopic, Anatomy
Definition
Study of the large body structures visible to the naked eye
Term
Regional anatomy
Definition
all the structures in a particular region of the body (muscles, bones, blood vessels, nerves)
Term
Systemic anatomy
Definition
body structure is studied system by system
Term
Surface anatomy
Definition
study of the internal structures as they relate to the overlying skin surface
Term
Microscopic anatomy
Definition
deals with structures too small to be seen with the naked eye
Term
Cytology
Definition
cells of the body
Term
Histology
Definition
study of tissues
Term
Developmental anatomy
Definition
traces structural changes that occur in the body throughout the life span
Term
Renal Physiology
Definition
concerns the kidney function and urine production
Term
Neurophysiology
Definition
explains the workings of the nervous system
Term
Cardiovascular Physiology
Definition
examines the operation of the heart and blood vessels
Term
Principle of complementarity of structure and function
Definition
what a structure can do depends on its specific form
Term
Chemical Level 1st
Definition
the simplest level of the structural hierarchy, forms molecules such as water
Term
Cellular Level 2nd
Definition
all cells have some common functions, but individual cells vary widely in size and shape, reflecting their unique functions
Term
Tissue Level 3rd
Definition
are groups of similar cells that have a common function
Term
4 Basic Tissue Types
Definition
epithelium, muscle, connective tissue, nervous tissue
Term
Epithelium
Definition
covers the body surface and lines its cavities
Term
Muscle
Definition
provides movement
Term
Connective Tissue
Definition
supports and protects body organs
Term
Nervous Tissue
Definition
provides a means of rapid internal communication by transmitting electrical impulses.
Term
Organ Level 4th
Definition
extremely complex functions become possible
Term
Organ System 5th
Definition
Organs that work together to accomplish a common purpose
Term
Organismal Level 6th
Definition
represents the sum total of all structural levels working together to promote life
Term
Integumentary System
Definition
Forms the external body covering, protects deeper tissues from injury
Term
Skeletal System
Definition
Protects and supports body organs; provides framework the muscles use to cause movement; blood cells are formed in the bones; stores minerals
Term
Muscular System
Definition
Allows manipulation of the environment, locomotion, and facial expression; maintains posture; produces heat
Term
Lymphatic System
Definition
Picks up fluid leaked from blood vessels and returns it to blood; disposes of debris; houses white blood cells
Term
Respiratory System
Definition
Keeps blood constantly supplied with oxygen and removes CO2
Term
Digestive System
Definition
Breaks down food into units that enter the blood for distribution
Term
Negative feedback mechanism
Definition
most common homeostatic control mechanism, it shuts off the original stimulus or reduces its intensity
Term
Positive feedback mechanism
Definition
the result or response enhances the original stimulus so that the activity is accelerated (labor, blood clotting)
Term
Homeostasis
Definition
a state of body equilibrium or stable internal environment of the body
Term
Superior (cranial)
Definition
Toward the head end or the upper part of the body (head is superior to the abdomen)
Term
Inferior (caudal)
Definition
Away from the head end or towards the lower end of the body (navel is inferior to the chin)
Term
Ventral (anterior)
Definition
Toward or at the front of the body; in front of (breastbone is anterior to the spine)
Term
Dorsal (posterior)
Definition
Toward or at the back of the body; behind (heart is posterior to the breastbone)
Term
Medial
Definition
Toward or at the midline of the body; on the inner side of (heart is medial to the arm)
Term
Lateral
Definition
Away from the midline of the body; on the outer side of (arms are lateral to the chest)
Term
Intermediate
Definition
Between a more medial and a more lateral structure (collarbone is intermediate between the breastbone and shoulder)
Term
Proximal
Definition
Closer to the origin of the body part or the point of attachment of a limb to the body trunk (elbow is proximal to the wrist)
Term
Distal
Definition
Farther from the origin of the body part or at the point of attachment of a limb to the body trunk (knee is distal to the thigh)
Term
Superficial (external)
Definition
Toward or at the body surface (The skin is superficial to the skeletal muscles)
Term
Deep (internal)
Definition
Away from the body surface (lungs are deep to the skin)
Term
Axial part
Definition
makes up the main axis of the body (head, neck, and trunk)
Term
Appendicular part
Definition
appendages or limbs which are attached to trunk
Term
All homeostatic control mechanisms have at least ____ interdependent components.
Definition
three
Term
Sagittal plane
Definition
vertical plane that divides body into right and left parts
Term
Umbilical Region
Definition
centermost region; small intestine, transverse colon of large intestine
Term
Epigastric Region
Definition
superior to the umbilical region; stomach
Term
Hypogastric Region
Definition
inferior to the umbilical region; urinary bladder, appendix
Term
Right Iliac or Ingunial Region
Definition
lateral to the hypogastric region, hipbone; cecum
Term
Left Iliac or Ingunial Region
Definition
lateral to the hypogastric region, hipbone; initial part of sigmoid colon
Term
Right Lumbar Region
Definition
lie lateral to the umibilical region; ascending colon of large intestine
Term
Left Lumbar Region
Definition
lateral to the umbilical region; descending colon of the large intestine
Term
Right Hypochondriac Region
Definition
lateral to the epigastric region; liver, gallbladder
Term
Left Hypochondriac Region
Definition
lateral to the epigastric region; diaphragm
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