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MT-Ch 3 Vocab

Medical Terminology Vocabulary Chapter 3

QuestionAnswer
abdominal cavity Body space between the abdominal walls, above the pelvis, and below the diaphragm.
blood system Body system that includes blood and all its component parts.
cardiovascular system Body system that includes the heart and blood vessels; circulatory system.
cell Smallest unit of a living structure.
connective tissue Fibrous substance that forms the body's supportive framework.
cranial cavity Space in the head that contains the brain.
diaphragm Muscle that divides the abdominal and thoracic cavities.
digestive system Body system that includes all organs of digestion and waste excretion, from the mouth to the anus.
dorsal cavity Main cavity on the back side of the body containing the cranial and spinal cavities.
endocrine system Body system that includes glands which secrete hormones to regulate certain body functions.
epithelial tissue Tissue that covers or lines the body or its parts.
integumentary system Body system that includes skin, hair, and nails.
lymphatic and immune system Body system that includes the lymph, glands of the lymphatic system, lymphatic vessels, and the specific and nonspecific defenses of the immune system.
muscle tissue Tissue that is able to contract and relax.
musculoskeletal system Body system that includes muscles, bones, and cartilage.
nervous system Body system that includes the brain, spinal cord, and nerves and controls most body functions by sending and receiving messages.
nervous tissue Specialized tissue that forms nerve cells and is capable of transmitting messages.
organ Group of specialized tissue that performs a specific function.
pelvic cavity Body space below the abdominal cavity that includes the reproductive organs.
reproductive system Either the male or female body system that controls reproduction.
respiratory system Body system that includes the lungs and airways and performs breathing.
sensory system Body system that includes the eyes and ears and those parts of other systems involved in the reactions of the five senses.
spinal cavity Body space that contains the spinal cord.
system Any group of organs and ancillary parts that work together to perform a major body function.
thoracic cavity Body space above the abdominal cavity that contains the heart, lungs, and major blood vessels.
tissue Any group of cells that work together to perform a single function.
urinary system Body system that includes the kidneys, ureters, bladder, and urethra and helps maintain homeostasis by removing fluid and dissolved waste.
ventral cavity Major cavity in the front of the body containing the thoracic, abdominal, and pelvic cavities.
anterior At or toward the front (of the body).
coronal plane Imaginary line that divides the body into anterior and posterior positions.
cross-sectional plane Imaginary line that intersects the body horizontally.
deep Away from the surface (of the body).
distal Away from the point of attachment to the trunk.
dorsal At or toward the back of the body.
epigastric region Area of the body immediately above the stomach.
frontal plane Imaginary line that divides the body into anterior and posterior positions.
hypochondriac regions Left and right regions of the body just below the cartilage of the ribs and immediately above the abdomen.
hypogastric region Are of the body just below the umbilical region.
iliac regions Left and right regions of the body near the upper portion of the hip bone.
inferior Below another body structure.
inguinal regions Left and right regions of the body near the upper portion of the hip bone.
lateral To the side.
lateral plane Imaginary line that divides the body perpendicularly to the medial plane.
left lower quadrant (LLQ) Quadrant on the lower left anterior side of the patient's body.
left upper quadrant (LUQ) Quadrant on the upper left anterior side of the patient's body.
lumbar regions Left and right regions of the body near the abdomen.
medial At or near the middle (of the body).
medial plane Imaginary line that divides the body into equal left and right halves.
midsagittal plane Imaginary line that divides the body into equal left and right halves.
posterior At or toward the back side (of the body).
prone Lying on the stomach with the face down.
proximal At or near the point of attachment to the trunk.
right lower quadrant (RLQ) Quadrant on the lower right anterior side of the patient's body.
right upper quadrant (RUQ) Quadrant on the upper right anterior side of the patient's body.
sagittal plane Imaginary line that divides the body into right and left portions.
superficial At or near the surface (of the body).
superior Above another body structure.
supine Lying on the spine facing upward.
transverse plane Imaginary line that intersects the body horizontally.
umbilical region Area of the body surrounding the umbilicus.
ventral At or toward the front (of the body).
mitochondria organelles that provide energy for the body's tasks
ribosomes organelles which manufacture proteins
lysosomes organelles which can break down substances, such as bacteria
Created by: 1301554175