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A+P chapter 1
chapter 1 vocab
87
Anatomy
12th Grade
07/25/2007

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Term
anatomy
Definition
study of the structure of the human body
Term
physiology
Definition
study of the body's function
Term
biology
Definition
study of life
Term
control center
Definition
one of three control components that work together to maintain internal equilibrium; specifically determines the set point
Term
effector
Definition
organ, gland, or muscle capable of being activated by nerve endings
Term
ventral body cavity
Definition
the front (anterior) body cavity ("space") which includes the thoracic cavity and the abdominopelvic cavity
Term
Directional Terms
Definition
allow us to exlain where one body structure is in relation to another.
Term
Superior
Definition
Toward the head end or upper part of a structure or body; above
Term
Thoracic cavity
Definition
surrounded by the ribs and muscles of the chest
Term
excretion
Definition
elimination of waste products in the body
Term
reproduction
Definition
the process of making another of something; the creation of an offspring, of a cell, etc.
Term
hypogastric (pubic) region
Definition
located inferior (below) to the umbilical (belly button) region.
Term
Digestion
Definition
chemical or mechanical process of breaking down foodstuffs to substances that can be absorbed
Term
Metabolism
Definition
sum total of the chemical reactions occuring in the body cells
Term
Parietal Serosa
Definition
The Part of the double-layered membrane that lines the walls of the ventral body cavity
Term
Visceral Serosa
Definition
The part of the double-layered membrane that lines the outer surfaces of organs within the ventral body cavity
Term
Lateral
Definition
Away from the midline of the body
Term
Intermediate
Definition
The relative location of an anatomical structure lying between two other structures.
Term
homeostasis
Definition
a state of balanced function in the body
Term
Vertebral cavity
Definition
along the back surrounding the spinal cord
Term
superficial
Definition
Located close or on the body surface
Term
deep
Definition
difficult to penetrate or understand
Term
surface antomy
Definition
study of 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
dorsal body cavity
Definition
protects the fragile nervous system organs
Term
Ventral
Definition
pertaining to the front
Term
Inferior
Definition
pertianing to a position towards the tail end of the body
Term
left lumbar region
Definition
The left region of the middle zone. (lateral to the umbilical region)
Term
right lumbar region
Definition
the right region of the middle zone. (lateral to the umbilical region)
Term
coronal plane
Definition
a vertical plane at right angles to a sagittal plane, dividing the body into anterior and posterior portions
Term
transverse plane
Definition
a plane dividing the body into an upper and lower section
Term
proximal
Definition
toward the attached end of alimb or the origin of a structure.
Term
distal
Definition
away from the attached end of a limb or the origin of a structure.
Term
abdominal cavity
Definition
the superior part of the abdominopelvic cavity that contains the stomach, intestines, spleen, liver, and other organs
Term
pelvic cavity
Definition
the inferior part of the abdominopelvic cavity that contains the bladder, some repoductive organs, and the rectum
Term
serous fluid
Definition
thin layer of lubricating fluid that seperates the serous membranes
Term
movement
Definition
activities promoted by the muscular system
Term
responsiveness
Definition
the ability to sense changes (stimuli) in the environment and then respond to them
Term
pericardial cavity
Definition
subdivision in the thoracic cavity which encloses the heart and surrounds the other thoracic organs (trachea, esophagus, and others)
Term
organ system
Definition
a group of organs that work together to perform bodily functions
Term
organismal level
Definition
the total sum of structural levels working together to provide life
Term
Regional Terms
Definition
shows specific areas within the body divisions
Term
Sagittal Plane
Definition
divides the body into left and right parts vertically
Term
Right hypochondriac region
Definition
The right part of the upper abdombinal quadrant, which flanks the epigastric region laterally
Term
left hypochondriac region
Definition
The left part of the upper abdombinal quadrant, which flanks the epigastric region laterally
Term
Cross Section
Definition
A horizontol cut from right to left, Dividing the body into superior and inferior parts.
Term
Oblique Section
Definition
A cut made diagonally between the horizontal and vertical plane of the body or an organ
Term
maintain boundries
Definition
making sure that the bodies internal environment remains distinct from the external environment surrounding it.
Term
Developmental anatomy
Definition
structural changes that occur in a life span
Term
embryology
Definition
the study of changes that occur before birth
Term
Developmental anatomy
Definition
structural changes that occur in a life span
Term
Cranial cavity
Definition
the space formed inside the skull that contains the brain
Term
growth
Definition
An increase in the size of a body part or organism, usually accomplished by increasing the # of cells
Term
survival needs
Definition
The needs of the body required for survival including: food, oxygen, water and appropriate temperature and atmospheric pressure.
Term
systemic anatomy
Definition
study of the body as a whole
Term
regional anatomy
Definition
study of specific regions of the body and focusing in on the relationships between parts located within that region
Term
cellular level
Definition
at this level, cells are created and have some common functions. Individual cells vary widely in size and shape, reflecting their unique function in the body
Term
chemical level
Definition
at this level, atoms combine to form molecules such as water and proteins
Term
Dorsal
Definition
Pertaining to the back; postertior
Term
Medial
Definition
Toward the midline of the body
Term
Pleural Cavity
Definition
A potential space between the two layers of pleaura; contains a thin film of serous fluid.
Term
anabolism
Definition
synthesizing more complex cellular structures from a simpler substance. (small to big)
Term
anabolism
Definition
synthesizing more complex cellular structures from a simpler substance. (small to big)
Term
negative feedback mechanism
Definition
a triggered action that stops another action, preventing it from continuing what it was doing
Term
positive feedback mechanism
Definition
an action that triggers the action to either increce what it is doing or continuing what it is doing
Term
umbilical region
Definition
the centermost region deep to and surrounding the umbilicus (navel)
Term
epigastric region
Definition
the region located superior to the umbelical region (epi=upon, above ; gastri=belly)
Term
Left Upper Quadrant (LUQ)
Definition
One of four quadrants that divide up the abdominopelvic cavity. It is a term is used to localize the organs in the area.
Term
Right Upper Quadrant (RUQ)
Definition
One of four quadrants that divide up the abdominopelvic cavity. It is a term is used to localize the organs in the area.
Term
viscera
Definition
pertaining to an internal organ of the body or the inner part of a structure
Term
serous membrane
Definition
the moist membrane found inclosed ventral body cavities.
Term
Organ Level
Definition
The body plans that are generally recognized are acoelomate, pseudocoelomate, and coelomate.
Term
Tissue Level
Definition
TISSUES ARE COLLECTIONS OF SPECIALIZED CELLS THAT ARE ORGANIZED TO PERFORM A RELATIVELY NUMBER OF FUNTIONS.
Term
Biochemistry
Definition
The study of the chemical substances and vital processes occurring in living organisms; biological chemistry; physiological chemistry.
Term
Catalysts
Definition
A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.
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Term
Particle Size
Definition
Refers to the varying dimensions of the atomic elements in revelation to their position on the periodic table.
Term
uracil
Definition
a base containing nitrogen that is found in RNA and derived from pyrimidine
Term
deoxyribonucleic acid
Definition
DNA; a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information
Term
ribonucleic acid
Definition
RNA; a long, usually single-stranded chain of alternating phosphate and ribose units with the bases adenine, guanine, cytosine, and uracil bonded to the ribose
Term
chemical reactions
Definition
occur whenever chemical bonds are formed, rearranged, or broken
Term
dipole
Definition
when a molecule has two poles of charge.
Ex. Water
Term
polar molecules
Definition
unequal electron pair sharing in a molecule
Term
Ammonia (NH3)
Definition
common waste product of protein breakdown in the body.
Term
pH Units
Definition
The measure of the relative acidity or alkalinity of a solution.
Term
ionic bond
Definition
Chemical bond formed by electron trasfer between atoms
Term
ions
Definition
atoms with a positive and negative electric charge
Term
atomic weight
Definition
The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.
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