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Medical Terminology
Whole Body Terminology
74
Medical
Not Applicable
07/22/2004

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Term
Abdominal Cavity
Definition
The cavity beneath the thoracic cavity. Contains: liver, gallbladder, spleen, stomach, pancreas, instestines, & kidneys
Term
Abdominopelvic Cavity
Definition
A term that describes the abdominal and pelvic cavity collectively; refers to the space between the diaphragm and the groin.
Term
Anaplasia
Definition
A change in the structure and orientation of cells.
Term
Anatomical Position
Definition
The standard reference position for the body as a whole.
Term
Anterior
Definition
Pertaining to the front of the body or toward the belly of the body.
Term
Aplasia
Definition
A developmental failure resulting in the absense of any organ or tissue.
Term
Cardiac Muscle
Definition
The muscle that makes up the muscular wall of the heart.
Term
Caudal
Definition
Pertaining to the tail.
Term
Cell
Definition
The smallest and most numerous unit of living matter.
Term
Cell Membrane
Definition
The semipermeable barrier that is the outer covering of a cell.
Term
Cervical Vertebrae
Definition
The first seven segments of the spinal column; identified as C1-C7.
Term
Chromosomes
Definition
The threadlike structures within the nucleus that control the functions of growth, repair, and reproduction for the body.
Term
Coccyx
Definition
The tailbone.
Term
Connective Tissue
Definition
Tissue that supports and binds other body tissue and parts.
Term
Cranial
Definition
Pertaining to the skull or cranium.
Term
Cranial Cavity
Definition
The cavity that contains the brain.
Term
Cytology
Definition
The study of cells.
Term
Cytoplasm
Definition
A gel-like substance that surrounds the nucleus of a cell. Contains organs called organelles.
Term
Deep
Definition
Away from the surface.
Term
Distal
Definition
Away from or farthest from the trunk of the body, or farthest from the point of origin.
Term
Dorsal
Definition
Pertaining to the back.
Term
Dorsum
Definition
The back or posterior surface of a part.
Term
Dysplasia
Definition
Any abnormal development of tissues or organs.
Term
****Epithelial Tissue****
Definition
The tissue that covers the internal and external organs of the body; it also lines the vessels, body cavities, glands, and body organs.
Term
Frontal Plane
Definition
Any of the vertical planes passing through the body from the head to the feet; dividing the body into front and back portions.
Term
Genes
Definition
Segments of chromosomes that transmit heredity characteristics.
Term
Histologist
Definition
A medical scientist who specializes in the study of tissues.
Term
Hyperplasia
Definition
An increase in the number of cells of a body part.
Term
Hypoplasia
Definition
Incomplete or underdeveloped organ or tissues, usually the result of a decrease in the number of cells.
Term
****Inferior****
Definition
Below or downward toward the tail or feet.
Term
****Lateral****
Definition
Toward the side of the body, away from the midline of the body.
Term
Lumbar Vertebrae
Definition
Consists of five large segments of the movable part of the spinal column; identified as L1-L5.
Term
Lysosomes
Definition
Contain enzymes that destroy bacteriaby digesting them.
Term
Medial
Definition
Toward the midline of the body.
Term
Mediolateral
Definition
Pertaining to the middle and side of a structure.
Term
Membrane
Definition
A thin layer of tissue that covers a surface, lines a cavity, or divides a space.
Term
Midline of the Body
Definition
The imaginary "line" that is created when the body is divided into equal right and left halves.
Term
Midsagittal Plane
Definition
The plane that divides the body or a structure into right and left equal portions~
Term
Mitochondria
Definition
Cell organs, or organelles, which provide energy needed by the cell to carry on its essential functions.
Term
Muscle Tissue
Definition
The tissue that is capable of producing movement of the parts and organs of the body by contracting and relaxing its fibers.
Term
Navel
Definition
The umbilicus; the belly button.
Term
Neoplasia
Definition
The new and abnormal development of cells that may be benign or malignant.
Term
Nervous Tissue
Definition
Tissue that transmits impulses throughout the body, thereby activating, coordinating, and controlling the many functions of the body.
Term
Nucleus
Definition
The central controlling body within a living cell that is enclosed within the cell membrane.
Term
Organ
Definition
Tissues that are arranged together to perform a special function
Term
Pelvic Cavity
Definition
The lower front cavity of the body, located beneath the abdominal cavity; contains the urinary bladder and reproductive organs.
Term
Peritoneum
Definition
A specific, serous membrane that covers the entire abdominal wall of the body and is reflected over the contained viscera.
Term
Plane
Definition
Imaginary slices, or cuts, made through the body to divide into different viewing angles.
Term
Plantar
Definition
Pertaining to the sole or bottom of the foot.
Term
Posterior
Definition
Pertaining to the back of the body.
Term
Pronation
Definition
A movement that allows the palms of the hands to turn downward and backward.
Term
Prone
Definition
Lying facedown on the abdomen.
Term
Proximal
Definition
Toward the nearest to the trunk of the body, or nearest to the point of origin of a body part.
Term
Ribosomes
Definition
Cell, or organelles, that synthesize proteins; often called the cell's "protein factories".
Term
Sacrum
Definition
The singular, triangular-shaped bone that results from the fusion of the five individual sacral bones of a child.
Term
Skeletal Muscle
Definition
Muscle that is attached to bone and is responsible for the movement of the skeleton.
Term
Smooth Muscle
Definition
Muscle that is found in the walls of the hollow internal organs of the body such as the stomach and intestines.
Term
Spinal Cavity
Definition
The cavity that contains the nerves of the spinal cord; also known as the spinal canal.
Term
Superficial
Definition
Pertaining to the surface of the body, or near the surface.
Term
Superior
Definition
Above or upward toward the head.
Term
Supination
Definition
A movement that allows the palms of the hands to turn upward or forward.
Term
Supine
Definition
Lying horizontally on the back, faceup.
Term
****System****
Definition
Organs that work together to perform the many functions of the body as a whole.
Term
****Thoracic Cavity****
Definition
The chest cavity, which contains the lungs, heart, aorta, esophagus, and trachea.
Term
Thoracic Vertabrae
Definition
The second segment of 12 vertebrae that make up the vertebral bones of the chest; identified as T1-T12.
Term
Tissue
Definition
A group of cells that perform specialized functions.
Term
****Tansverse Plane****
Definition
Divides the body into superior (upper) and inferior (lower) portions.
Term
Umbilicus
Definition
The navel; also called the belly button.
Term
Ventral
Definition
Pertaining to the front; belly side.
Term
Visceral
Definition
Pertaining to the internal organs.
Term
Visceral Muscle
Definition
Same as smooth. Muscle that is found in the walls of the hollow internal organs of the body such as the stomach and intestines.
Term
RUQ
Definition
right upper quadrant
Term
LUQ
Definition
left upper quadrant
Term
RLQ
Definition
right lower quadrant
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