Chapter 2 Flashcards
The Human Body in Health and Disease
Used to describe the locations of the structural units of the body
Anatomic reference systems
4 anatomical references systems include:
Body planes; Body directions; Body cavities; Structural units
When body parts work together to perform a related function, the are grouped together and are know as a ______.
body system
anatomy
the study of the structures of the body
physiology
the study of the functions of the structures of the body
physi
nature or physical
-ology
the study of
Describe the anatomic position.
- Standing straight up so that the body is erect and facing forward. 2. Holding the arms at the sides with hands turned so that the palms face toward the front.
Imaginary vertical and horizontal lines used to divide the body into sections for descriptive purposes.
Body planes
An up-and-down plane that is at a right angle to the horizon.
a vertical plane
Name the 3 vertical planes
Sagittal plane, midsagittal plane, frontal plane
sagittal plane
a vertical plane that divides the body into UNEQUAL left and right portions
midsagittal plane
(aka midline) the sagittal plane that divides the body into EQUAL left and right halves
frontal plane
(aka coronal plane) a vertical plane that divides that body into anterior and posterior portions.
A flat, crosswise plane
horizontal plane
transverse plane
a horizontal plane that divides the body into superior and inferior portions (can be at waise or any other level).
ventral
the front, or belly side, or the organ or body
dorsal
the back of the organ or body
ventr
belly side of the body
dors
back of the body
-al
pertaining to
anterior
situated in the front/ in front of (aka ventral)
posterior
situated in the back/ in back of (aka dorsal)
anter
front or before
-ior
pertaining to
poster
back or toward the back
superior
uppermost, above, or toward the head
inferior
lowermost, below, or toward the feet
cephalic
toward the head
cephal
head
-ic
pertaining to
caudal
toward the lower part of the body
caud
tail or lower part of the body
proximal
situated nearest the midline or beginning of a body structure
distal
situated farthest from the midline or beginning of a body structure
medial
the direction toward, or nearer, the midline
lateral
the direction toward, or nearer, the side of the body, away from the midline.
bilateral
relating to, or having, two sides
The 2 major body cavities
Dorsal (back) & ventral (front)
The cavity which is located along the back of the body and head
dorsal
Cavity located within the skull that surrounds and protects the brain
cranial cavity
Cavity located within the spinal column that surrounds and protects the spinal cord
spinal cavity
Cavity which is located along the front of the body that contains the organs that sustain homeostasis
ventral cavity
homeostasis
the processes through which the body maintains a constant internal environment
home/o
constant
-stasis
control
The 2 portions of the dorsal cavity
cranial and spinal cavity
The three portions of the ventral cavity
thoracic, abdominal, and pelvic cavities
Cavity aka chest cavity or thorax that surrounds and protects the heart and lungs
thoracic cavity
The muscle that separates the thoracic and abdominal cavities
diaphragm
the cavity that contains the major organs of digestion
abdominal cavity (or simply abdomen)
The space formed by the hip bones that contains the reproductive and excretory systems
pelvic cavity
The term that refers to the abdominal and pelvic cavities together as a single unit
the abdominopelvic cavity
inguinal
relating to the groin
Term meaning below the ribs
hypochondriac
chondr/i
cartilage
hypo-
below
-ac
pertaining to
epi-
above
gastr
stomach
-ic
pertaining to
lumb
lower back
-ar
pertaining to
term that desribes the part of the back between the ribs and the pelvis
lumbar
the abdominothoracic regions that are covered by the lower ribs
right and left hypochondriac regions
the abdominothoracic region that is located above the stomach
epigastric region
the abdominothoracic regions that are located near the inward curve of the spine
right and left lumbar regions
the abdominothoracic region that surrounds the belly button or navel
umbilical region
the abdominothoracic regions that are located near the hip bones
right and left iliac regions
ili
hip
-ac
pertaining to
the abdominothoracic region that is below the stomach
hypogastric region