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TCN A&P Ch. 1
1st Look at the body
97
Anatomy
Professional
03/05/2012

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Cards

Term
Abdominal Quadrants
Definition
An approach to the geography of the abdominopelvic region most commonly used in a clinical setting, dividing athe abdomen into four quarters.
Term
Abdominopelvic cavity
Definition
The diaphragm divides the ventral body cavity into two parts: a superior part enclosed by the ribcage called the thoracic cavity, and the inferior abdominopelvic cavity.
Term
Adhesion molecules
Definition
Allow the cells of a tissue to recognize one another and stick together.
Term
Adipocytes
Definition
Fat cells derived from fibroblasts. The interior of each adipocyte is dominated by a droplet of fat.
Term
Adipose tissue
Definition
Specialized tissue for the storage of fat.
Term
ADP
Definition
An energy-depleted form of ATP.
Term
Anatomical position
Definition
The subject or patient is erect, facing the viewer, with feet pointed ahead, arms at the sides, and the palms of the hands turned forward.
Term
appendicular region
Definition
One of the fundamental regions of the body, consisting of the limbs or extremities.
Term
ATP
Definition
Within the mitochondria, the energy from the oxidation of foodstuffs is applied to the synthesis of ATP, the general chemical energy source for energy-requiring cellular processes.
Term
Axial region
Definition
One of the fundamental regions of the body, consisting of the head, neck, and trunk.
Term
Bi-layer
Definition
Double Layer
Term
Blood Plasma
Definition
A fluid component containing salts; some organic solutes; dissolved gases and proteins
Term
Body cavities
Definition
Hollow spaces within the body that contain internal organs: Dorsal - Cranial & Spinal canal, Ventral - Thoracic & Abdominopelvic, & Scrotal - male only
Term
Bone Marrow
Definition
The site of synthesis of blood cells in adults.
Term
Canaliculus
Definition
Small channels that allow nutrients and oxygen to reach osteocytes and cellular wastes to be removed.
Term
cancellous bone
Definition
Bones consisting of an outer covering of compact bone surrounding a core of cancellous bone
Term
Cardiac muscle
Definition
Makes up the walls of the heart and is responsible for circulating blood to all parts of the body.
Term
Cartilage
Definition
A strong, flexible, smooth material compsoed of collagen and chondroitin that, in adults, supports some soft tissues; covers the ends of bones; and provides bearing surfaces for joints.
Term
Chondrocytes
Definition
Cells that secrete cartilage
Term
Chondroitin
Definition
A type of intercellular substance formed by connective tissues. A tough, flexible material that is a major component of cartilage, one form of connective tissue.
Term
Collagen
Definition
A type of intercellular substance formed by connective tissues composed of giant, fibrous molecules that may be arranged in bundles or as a mesh
Term
Columnar
Definition
Cells that are cylindrical with heights greater than their widths.
Term
Compact bone
Definition
An outer covering that surrounds a core of cancellous bone   composed of units called osteons
Term
Connective tissue
Definition
Holds body parts together and contributes to the structural integrity of the other tissue types.
Term
Connective tissue proper
Definition
Composes a loosely arranged structural framework for almost every tissue
Term
Cranial cavity
Definition
Within the skull, containing the brain.
Term
Cuboidal
Definition
Cells that are approximately as wide as they are tall.
Term
Cytoplasm
Definition
The intracellular fluid.
Term
Cytoskeleton
Definition
The scaffold of filaments within the cytoplasm that allow the cell to maintain a form and to move.
Term
Differentiation
Definition
A process in which unspecialized cells acquire specific cellular structures and become specialized to perform specific functions.
Term
Directional terms
Definition
The terms used to describe the relationships of individual structures and regions.
Term
Ectoderm
Definition
In the earliest stages of embryonic development, the outhermost layer of the unspecialized embryonic cells that separate into three layers.
Term
Elastin
Definition
A type of intercellular substance formed by connective tissues composed of giant, fibrous molecules that may be arranged in bundles or as a mesh.
Term
Endocrine glands
Definition
Formed by epithelial cells, the endocrine glands secrete chemical messengers called hormones into the blood.
Term
Endoderm
Definition
In the earliest stages of embryonic development, the innermost layer of the unspecialized embryonic cells that separate into three layers.
Term
Endoplasmic reticulum
Definition
An internal membrane system that contain proteins and lipids destined for various metabolic fates within the cell, for secretion to the exterior, or for incorporation into the plasma membrane.
Term
Epithelial tissue
Definition
A specific tissue that develops from the ectoderm and endoderm, consisting of sheets of cells. Typically, epithelia form barriers between the interior of the body and the external environment, covering the body's surface and lining hollow internal organs.
Term
Erythrocytes
Definition
Red Blood Cells
Term
Exocrine glands
Definition
Secrete substances by way of ducts to the exterior, for example, the salivary glands of the mouth and the sweat glands of the skin.
Term
Extrinsic
Definition
Membrane proteins are less tightly attached and may be removed by chemical treatments that do not dissolve the membrane.
Term
Fibroblasts
Definition
Characteristic cells that secrete intercellular materials.
Term
Formed elements
Definition
In the blood, include erythrocytes, leukocytes, and thrombocytes
Term
Frontal section
Definition
Passes parallel to the midline and at right angles to the plane of the sagittal section and would divide the body into dorsal and ventral portions.
Term
Glia
Definition
Support the neurons and maintain a favorable environment for their functions.
Term
Glycoproteins
Definition
Strands of sugar molecules attached to the proteins.
Term
Golgi Apparatus
Definition
Closely stacked sacs of endoplasmic reticulum that serve as a sorting station for proteins synthesized by ribosomes attached to the endoplasmic reticulum.
Term
Haversian canal
Definition
A central canal that contains blood vessels and nerves surrounded by each osteon.
Term
Horizontal section
Definition
A cut at right angles to the midline and dividing the body into superior and inferior portions.
Term
Hormones
Definition
Chemical messengers secreted by the endocrine glands
Term
Intercellular material
Definition
Material secreted by fibroblasts
Term
Intermediate filaments
Definition
One of three basic types of filaments within the cytoplasm that allow the cell to maintain a form and to move.
Term
Intrinsic
Definition
Membrane proteins that are tightly associated with the membrane and in some cases span it from one side to the other.
Term
Hyaluronic Acid
Definition
A major type of intercellular substance formed by connective tissues.
Term
Lacunae
Definition
Spaced between the lamellae occupied by osteocytes.
Term
Intermediate filaments
Definition
One of three basic types of filaments w/in the cytoplasm that allow thecell to maintain a form and to move.
Term
Intrinsic
Definition
Membrane proteins are tightly associated with the membrane and in some cases span it from one side to the other.
Term
Lacunae
Definition
Spaces between the lamellae occupied by osteocytes.
Term
Microtubules
Definition
One of three basic types of filaments w/in the cytoplasm that allow the cell to maintain a form and to move.
Term
Microfilaments
Definition
One of three basic types of filaments w/in the cytoplasm that allow the cell to maintain a form and to move.
Term
Mesoderm
Definition
In the earliest stages of embyronic development, the unspecialized embryonic cell layer that lies between the ectoderm and endoderm.
Term
Lamellae
Definition
Concentric rings of a mineralized intercellular substance surrounding the Haversian canal.
Term
Leukocytes
Definition
White blood cells.
Term
Ligaments
Definition
The structures that hold joints together.
Term
Midsagittal section
Definition
If the body were sliced into equal R & L halves, this cut would pass through the sagittal plane along the midline of the body.
Term
Osteoblasts
Definition
Osteocytes that synthesize bone.
Term
Osteoclasts
Definition
Osteocytes that break down bone.
Term
Organelles
Definition
Structures contained within the cytoplasm
Term
Nucleus
Definition
Contain the genetic material (DNA) together with molecules that affect expression of specific parts of the genetic code.
Term
Neurons
Definition
Nervous tissues that generate & conduct electrical impulses and communicate with other cells by way of chemical messages.
Term
Mitochondria
Definition
Rod-like structures consisting of a bilayer membrane that are the sites of the reactions of terminal oxidative metabolism.
Term
Osteocytes
Definition
bone cells
Term
Osteons
Definition
Units of compact bone.
Term
Parasagittal plane
Definition
Planes that cut the body R or L of the midline, generating unequal portions.
Term
Ribosomes
Definition
An organelle composed of proteins and ribosomal ribonucleic acid (rRNA) that synthesize proteins based on codes delivered to them in the form of messenger RNA (mRNA)
Term
simple epithelia
Definition
One structural type of epithelia, one layer thick
Term
Pseudostratified
Definition
Epithelia that is one layer thick, but some or the cells are not tall enough to reach all the way from one side of the sheet to the other.
Term
Plasma membrane
Definition
The outer boundary of the cell containing membrane proteins embedded in it and attached to its surfaces.
Term
Scrotal cavity
Definition
A hollow internal space present only in males.
Term
Receptors
Definition
Membrane proteins that detect chemical messages from other cells.
Term
Oxidative phosphorylation
Definition
The process in mitochondria that involve the reactions of terminal oxidative metabolism, where the energy from oxidation of foddstuffs is applied to the synthesis of ATP, the general chemical energy source for energy-requiring cellular processes, and ADP, an energy-depleted form of the same molecule.
Term
Spinal roots
Definition
Contained within the spinal canal within the vertebral column (spine), as part of the spinal cord
Term
Skeletal muscle
Definition
Muscle attached to the bony skeleton that moves body parts relative to one another.
Term
Squamous
Definition
Cells that are flattened and resemble paving stones
Term
Stem cells
Definition
Within tissue, required cells that regenerate new differentiated cells.
Term
Stratified epithelia
Definition
One structural type of epithelia, composed of multiple cell layers.
Term
Tendons
Definition
The structures that connect skeletal muscles with the bony skeleton.
Term
Spinal cord
Definition
Contained within the vertebral (spinal) canal withing the vertebral column (spine)
Term
Smooth muscle
Definition
Muscle that surrounds hollw internal organs, including the stomach and intesting, the air passages in the lungs, and blood vessels.Also forms the iris of the eye.
Term
Transverse Section
Definition
The horizontal plane that is a result of a horizontal cut that divides the body into superior and inferior parts.
Term
Thoracic cavity
Definition
The diaphragm, divides the ventral body cavity into two parts: a superior part enclosed by the ribcage, and the inferior abdominopelvic cavity.
Term
Thrombocytes (platelets)
Definition
A component in blood
Term
Transport proteins
Definition
Determine what goes into and out of the cell.
Term
Trabeculae
Definition
A mineralized meshwork in cancellous bone.
Term
Vertebral canal
Definition
The spinal canal w/in the vertebral column
Term
Ventral body cavity
Definition
Contains the soft internal organs
Term
Viscera
Definition
The soft internal organs
Term
vertebral column
Definition
The spine
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