Chapter 3 (2) - Body Structure Flashcards
blood system (Old English “blud”)
Body system that includes blood and all its component parts.
abdominal cavity
Body space between the abdominal walls, above the pelvis, and below the diaphragm
Cardiovascular System
Body system tat includes the heart and blood vessels; circulatory system.
Cell
Latin “cella”, storeroom
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 fives 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.
Cell Membrane
Outer covering of the cell. Holds substances inside the cell while helping it maintain its shape. Also regulates substances that are allowed to pass in and out of the cell.
Nucleus
Central portion of each cell. Contains the Chromosomes, which are the bearer of genes and made of deoxyribonucleic acid.
Cytoplasm
Substance that contains the material to instruct cells to perform different essential tasks, such as reproduction and movement.
Anterior
At or toward the front (of the body).
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 (Coronal) 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 nd immediately above the abdomen.
Hypogastric Region
Area of the body just below the umbilical region.
Inferior
Below another body structure.
Inguinal (iliac) Regions
Left and right regions of the body near the upper portion of the hip bone.
Lateral
To the side.
Left Lower Quadrant (LLQ)
Quadrant on the lower left anterior side of the patient’s body. Contains Colon, Ovary, Intestinal Tract
Left Upper Quadrant (LUQ)
Quadrant on the upper left anterior side of the patient’s body. Contains stomach, spleen, and parts of the liver, pancreas, and intestinal tract.
Lumbar Regions
Left and right regions of the body near the abdomen.
Medial
At or near the middle (of the body).
Medial (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. Contains the appendix, parts of the intestines, colon, and ovary.
Right Upper Quadrant (RUQ)
Quadrant on the upper right anterior side of the patient’s body. Contains part of the liver, the gallbladder, head of pancreas, and intestinal tract.
Sagittal (Lateral) 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 (Cross-sectional) 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).