1.5 Terminology and Body Plan Flashcards
The study of the origin of words and the way in which their meanings have changed throughout history.
Etymology
Language that most anatomical terms are derived from
Greek and Latin
Person standing upright with the face directed forward, upper limbs to the sides, and palms of the hand facing forward.
Anatomical Position
Lying face upward
Supine
Lying face downward
Prone
What is the point of reference for anatomical structures
their position on the body not the position of the body compared to the earth.
Describe parts of the body relative to each other.
Directional Terms
3 parts of central region
Head, Neck, Trunk
Chest cavity where heart and lungs are located
Thorax
Contains organs such as the liver, stomach, and intestines
Abdomen
Contains the bladder and reproductive organs
Pelvis
Where does the two imaginary lines intersect when subdividing the abdomen into four quadrants
Navel
Four quadrants of the Abdomen
- Right-upper
- Left-upper
- Right-lower
- Left-lower
Nine regions of the abdomen
- Epigastric
- Right Hypochondriac
- Left Hypochondriac
- Umbilical
- Right Lumbar
- Left Lumbar
- Hypogastric
- Right Iliac
- Left Iliac
Parts of the upper limb
Arm, Forearm, wrist, hand
Where does the arm start and end?
Shoulder to elbow
Where does the forearm start and end?
Elbow to wrist
Parts of the lower limb
Thigh, leg, ankle, foot
Where does the thigh start and end?
Hip to knee
Where does the leg start and end?
Knee to ankle
Describing the body as having imaginary flat surfaces passing through it.
Planes
Use of Planes in anatomy and Physiology?
Divides or sections the body, making it possible to “look inside” and observe the body’s structures.
separates the body or a structure into right and left halves.
Sagittal Plane
Meaning of sagittal
“the flight of an arrow” and refers to the way the body would be split by an arrow passing anteriorly to posteriorly.
sagittal plane that passes through the midline of the body, dividing it into equal right and left halves.
Median Plane
runs parallel to the ground, dividing the body into superior and inferior portions.
Transverse (Horizontal) Plane
divides the body into front (anterior) and back (posterior) halves.
Frontal (Coronal) Plane
cuts completely through an organ, similar to cutting a hot dog or banana into round pieces.
Transverse Section or Cross Section
is a cut along the length of the organ, similar to the cut along a hot dog bun.
Longitudinal Section