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chpt 2 word
chpt 2 words
Question | Answer |
---|---|
body planes | imaginary vertical and horizontal lines used to divide the body into sections for descriptive purposes |
vertical plane | is an up-and-down plane that is a right angle to the horizon |
midsagittal plane | kown as the midline, is the sagittal plane that divides the body into equal left and right halves |
sagittal plane | a vertical plane that divides the body into unequal left and right portions |
frontal plane | a vertical plane that divides the body into anterior (front) and posterior (back) portions. also known as the coronal plane, it is located at right angles to the sagittal plane |
horizontal plane | is a flat crosswise plane, such as the horizon |
transverse plane | a horizontal plane that divides the body into superior (upper) and inferior (lower) portions |
anatomic position | the sudy of the structures of the body |
ventral | refers to the front, or belly side, of the organ or body |
dorsal | refers to the back of the organ or body |
anterior | means situated in the front. also means on the front or forward part of an organ |
posterior | situred in the back. slso means on the back part of an organ |
superior | uppermost, above, or toward the head |
inferior | lowermost, below, or toward the feet |
cephalic | toward the head opposite of caudal |
caudal | toward the lower part of the body, opposite of cephalic |
proximal | situated nearest the midline or beginning of the body structure, opposite of distal |
distal | situated farthest from the midline or beginning of the body structure, opposite of proximal |
medial | direction toward, or nearer, the midline, opposite of lateral |
lateral | direction toward or nearer the side and awayy form the midline, opposite of midial |
bilateral | relating to, or having to sides |
body cavities | two major, which are the dorsal and the ventral cavities, are spaces within the body that contain and protec internal organs |
dorsal cavity | located along the back of the body and head, contians organs of the nervous system that coordinate body functions and is divided into two portions |
cranial cavity | located within the spinal column, surrounds and protects the brain |
spinal cavity | located within the spinal column, surrounds and protects the spinal cord |
ventral cavity | known as the chest caviity or thorax, surrounds and protects the heart and the lungs |
diaphragm | is a muscle that separates the thoracic and abdominal cavities |
abdomainal cavity | contains primarily the major organs of digestion |
pelvic cavity | the space formed by the hip bones and it contains primarily the organs of the reproductive and excretory system |
abdominopelvic cavity | refers to as these two cavities as a single unit |
inguinal | relating to the groin, refers to the entire lower area of the abdomen, this includes the groin wihch is the crease at the junction of the trunk with the upper end of the thigh |