 | Term | Definition |
| |
Stratum Corneum |
Thickest layer of the epidermis composed of dead keratinized cells |
| |
Epidermis |
Main layer of the skin composed of stratified squamous epithelial tissue |
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Stratum Granulosum |
Layer of the epidermis that contains the melanin producing cells |
| |
Papillary Layer |
Layer of the dermis that has projections that cause fingerprints |
| |
Stratum Corneum |
Layer of the epidermis that contains cells with granuals in their cytoplasm |
| |
Stratum Lucidum |
Layer of the epidermis that contains a few rows of clear cells |
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Stratum Basale |
Layer of the epidermis that consists of a single row of dividing cells |
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Dermis |
Main layer of the skin that contains blood vessels |
| |
Reticular |
Layer of the dermis that contain collagen and elastic fibers that give the skin strength, extensibility, and elasticity |
| |
Subcutaneous Layer |
Layer made of mostly fat tissue that lies beneath the skin |
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Adipose |
Tissue in which fat is stored |
| |
Cilia |
Small hairlike projections on certain cells |
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Fibrous |
Connective tissue which joins the bones together at a joint |
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Simple Squamous |
The inner lining of all blood cells |
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Cartilage |
A type of connective tissue that provides flexibility |
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Matrix |
The intercelular material in connective tissue |
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Mucus |
A lubricating secreation |
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Collagen |
A protein found in nonelastic connective tissue |
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Simple Cuboidal |
Found in the secretory portion of glands an in kidneys |
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Ciliated Eithelium |
Lining in the respiratory tract |
| |
Cranium Bones |
Consists of 8 bones that enclose and protect brain |
| |
Occipital |
Contains the foramen magnum |
| |
Sella Turcia |
Site where the pituitary gland is located |
| |
Temporal Bone |
Contains the mastoid process |
| |
Facial Bones |
Consists of 14 bones that make of the face |
| |
Lacrimal Bone |
Smallest bone in the face |
| |
Hyoid Bone |
Bone that the tongue is attached to |
| |
Thoratic |
Vertebrae with costal pits |
| |
Cervical |
Vertebrae that contains the axis and atlas |
| |
Costal |
Type of cartilage that attaches ribs to sternum |
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Anterior |
Toward the front of the body |
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Lateral |
Away from the midline |
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Inferior |
Lowermost part of the body |
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Morphology |
The study of form and structure in plant and animals |
| |
Visceral |
Pertains to the covering of an organ |
| |
Anatomy |
The study of the structure of cells and organs |
| |
Distal |
Away from the point of attachment of an appendage |
| |
Physiology |
The study of how an organism works |
| |
Parietal |
Pertains to the outer layer or wall |
| |
Posterior |
Toward the back of the body |
| |
Proximal |
Nearest the point of attachment of an appendage |
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Medial |
Nearest the midline |
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Superior |
Uppermost part of the body |
| |
Biology |
The study of life |
| |
Ribosomes |
Synthesizes protein |
| |
Endoplasmic Reticulum |
Transport Channel |
| |
Flagella |
Makes a whip-like action for cell movement |
| |
Cilia |
Propels fluids like mucus over tissue |
| |
Nucleus |
Control center of cell |
| |
Lysosomes |
Contains digestive enzymes |
| |
Cell Membrane |
Selectively permeable |
| |
Microfillaments |
Causes cellular movement (contract & expand) |
| |
Centrosome |
Plays a role in cellular reproduction |
| |
Mitochondria |
Almost all cellular respiration takes place here |
| |
Microtubules |
Gives the cell support and makes up cilia and flagella |
| |
Golgi Aparatus |
Packages, refines, and delivers proteins |
| |
Microvilli |
Increases the surface area of the cell |
| |
Ribosome |
Tiny spherical organelle on the surface of E.R. |
| |
Endoplasmic Reticulum |
Connects the cell membrane with other organelles and the nuclear membrane |
| |
Nucleus |
Contains the chromatin |
| |
Cilia |
Tinny hair-like structure |
| |
Lysosomes |
Breaks down foreign invaders, food, an worn cell parts |
| |
Endoplasmic Reticulum |
Has two types (rough & smooth) |
| |
Cell Membrane |
Composed of two lipid layers with proteins embedded |
| |
Diffusion |
Molecules or ions moving from a greater to a lower concentration |
| |
Osmosis |
Diffusion of water |
| |
Active Transport |
Requires ATP |
| |
Exocytosis |
Means of secreting a cell product |
| |
Endocytosis |
Engulfing a large particle |
| |
Active Transport |
Moves against a concentration gradiant |
| |
Filtration |
Solutes and solvents move due to pressure |
| |
Dialysis |
Separates particles due to size |
| |
Prophase |
Chromatin coils up and becomes chromozomes |
| |
Anaphase |
Chromosomes migrate to opposite sides of the cell |
| |
Metaphase |
Chromosomes line up in the middle of the cell |
| |
Interphase |
DNA replicates |
| |
Telophase |
Cell splits |
| |
Perimyosium |
Connective tissue surrounding a fasciculus |
| |
Epimyosium |
Connective tissue surrounding a whole muscle |
| |
Endomysium |
Connective tissue surrounding a muscle fiber |
| |
Sacromere |
Contractile unit of a muscle |
| |
Actin |
thin, light myofilament |
| |
Myosin |
thick, dark myofilimet |
| |
Flaccid |
loss of muscle tone |
| |
Motor Unit |
a motor neuron fiber and the muscle fiber it stimulates |
| |
Isotonic |
Muscle contraction that lifts a load |
| |
Isometric |
Muscle contraction that does not lift a load |
| |
Sarcoplasm |
Cytoplasm of a muscle cell |
| |
Threshold |
the minimum level of stimulus required to bring about a response |
| |
Contractility |
the ability of a muscle to become shorter and thicker |
| |
Irritability |
the ability of living tissue to respond to stimulus |
| |
Neuromuscular Junction |
Connection point of motor neuron and muscle fiber |
| |
Summation |
Additive effect of impulse that results in a muscle contraction |
| |
Subthreshold |
Impulse on muscle cell that does not cause a contraction |
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