The Human Body in Health and Disease Flashcards
Anatomic Reference Systems
describe the locations of the structural units of the body
4 Anatomical Reference systems
Body planes, body directions, body cavities, structural units
Anatomy
The study of the structures of the body
physiology
the study of the functions of the structures of the body
physi- means nature or physical
-ology means study of
Anatomic Position
Describes the body standing in standard position: standing up straight so the body is erect and facing forward, holding the arms at the sides with the palms facing toward the front
Body Planes
imaginary vertical and horizontal lines used to divide the body into sections for descriptive purposes
3 Types of vertical planes and explain
sagittal plane is a vertical plane that divides the body into uneven left and right portions
Midsagittal plane divided the body evenly into left and right planes
Frontal plane aka coronal plane, divides the body into anterior and posterior planes
Name and Explain a type of horizontal plane
Transverse plane: divides the body into superior and inferior portions.
-can be at any level across the body
Ventral body direction
refers to the front or belly side of the organ or body
ventr means belly side of the body
al means pertaining to
Dorsal body direction
refers to the back of the organ or body
dors means back
al means pertaining to
what is the opposite of dorsal
ventral
anterior and posterior body direction
anterior means situated in the front. also front or forward part of organ
posterior means situated in the back. also means on the back part of the organ
superior and inferior body directions
superior is the uppermost, above or toward the head
inferior means lowermost, below or toward the feet
Cephalic and caudal body directions
cephalic means toward the head
caudal means toward the lower part of the body
Proximal and distal body directions
proximal means situated nearest the midline
distal means situated furthest from the midline
medial and lateral body direction
medial means the direction toward or nearer the midline
lateral means the direction toward or nearer the side of the body
What are the two major body cavities
the dorsal and ventral body cavities
What two cavities make up the dorsal cavity
the cranial and spinal cavity
What 3 cavities make up the ventral cavity
thoracic cavity, abdominal cavity, pelvic cavity
what parts are part of the thoracic cavity
the heart and lungs
which organs are in the abdominal cavity
the digestive organs such as the stomach, the intestines
what organs are found in the pelvic cavity
the reproductive organs and excretory systems
what separates the thoracic and abdominal cavities
the diaphragm is a muscle that separates the thoracic and abdominal cavities
What is the term used when referring to the abdominal and pelvic cavities?
the abdominopelvic cavities