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Definition
| Connective tissue, area under skin, padding at various points, protection, insulation, support, nutrient reserve |
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| Centromeres break apart, chromosomes move away from the center of the cell, cleavage furrow appears |
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| Connective tissue, loose arrangement of fibers and cells, between tissues and organs |
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| Carries nerve impulse away from the cell body |
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| Short, hairlike extensions on a surface of some cells, propel fluid over cellular surfaces |
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| Higher than they are wide |
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| Site in which cellular structures or organelles are found, water within the cell |
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| Nerve cell, carry nerve impulse towards cell body |
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| Deoxyribonucleic Acid (DNA) |
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Term
| Endoplasmic Reticulum (ER) |
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Definition
| A network of canals allowing proteins to be transported. Rough ER transports proteins to Golgi apparatus. Smooth ER lacks ribosomes |
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| Synthesizes lipids and carbohydrates |
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| Enables sperm cells to move |
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| Just before mitosis, cell duplicates membanes, ribosomes, organelles, and DNA |
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| Digests worn cellular parts or substances that enter cell |
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| Packages protein molecules for transport and secretion |
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| Release energy from nutrient molecules and transforms energy into usable form |
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| Little nucleus, small dense body composed of RNA |
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| Organs within the cell each with their own function |
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| Membrane engulfs particles |
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| Membrane engulfs droplets of liquid |
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| Chromatin condenses into visible chromosomes, chromatids become attached at the centromere, spindle fibers appear, nucleolus and nuclear envelope disappear |
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| A cell's "protein factory" found mainly in the rough endoplasmic reticulum |
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| Nuclear envelope and both nuclei appear, cytoplasm and organelles divide equally, process of cell division is completed |
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| Flexible and somewhat elastic, composed mainly of lipids, proteins, and some carbohydrates, semi-permeable |
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| Passageways for material to move in and out of cells |
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| One cell comes into contact with another |
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Definition
| Structures within the cell |
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Definition
| A cellular organelle consisting of two centrioles, helps to distribute chromosomes to new cells during cell division |
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Definition
| Small sacks that may contain liquid or solid material, temporary storeage area |
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| Composed of loosely coiled fibers of protein and DNA |
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| Diffusion: Osmosis, dialysis, filtration; does not need cellular energy |
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| Movement of particles through membrane from an area of high concentration to an area of low concentration; e.g diffusion of carbon dioxide and oxygen |
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| Diffusion of water through a selectively permeable membrane; movement of fluid into and out of cells to correct imbalances |
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Definition
| Movement of water and small solute particles, from area of high pressure to area of low pressure; renal corpuscle in kidney |
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Definition
| Equal movement of water into and out of cells |
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| Net water movement out of cells, bring into vascular |
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Definition
| Net water movement into the cell, move out of vascular into tissue |
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Definition
| Movement of molecules or ions through membranes from regions of lower concentration towards the regions of higher concentration |
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| Reproduction of cells, one cells divides to form two |
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| Form of cell division that forms sex cells |
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| Prophase, metaphase, anaphase, telophase |
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Definition
| Spindle fibers attach to each chromatid, chromosomes align across the center of the cell |
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| Four main kinds of tissue |
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Definition
| Epithelial, connective, muscle, nervous |
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Definition
| Lines the body surfaces, organs, forms inner lining of body cavities, and lines hollow organs; basement membrane, lacks blood vessels, reproduces readily, cells are tightly packed |
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| Most abundant in the body; bone, blood |
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| Higher degree of contractility than any other tissue cells, attaches to bone in the walls of hollow organs and the heart, striated, voluntary, involuntary |
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Definition
| Large cell bodies, thin fiber like extensions, glial cells present, found in the brain, spinal cord, and peripheral nerves |
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| Functions of Epithelial Tissue |
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Definition
| Protection, secretion, absorption, excretion, sensory reception |
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Term
| Functions of Muscular Tissue |
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Definition
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| Functions of Connective Tissue |
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Definition
| Binds structures together, provides support, serves as framework, fills spaces, stores fat, produces blood cels, provides protection against infections, helps to repair tissue damage |
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| Functions of Nervous Tissue |
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Definition
| Communication between body structures and control of body functions |
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Term
| Transitional Epithelial Tissue |
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Definition
| Varying shapes that can stretch; Bladder |
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Definition
| One layer of the same shape |
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Term
| Stratified Epithelial Tissue |
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Definition
| Many layers of cells; named for the shape of cells in the outer layer |
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Definition
| Connective tissue, tendons, ligaments, fascia, scar tissue |
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Definition
| Connective tissue, hard calcified matrix arranged in osteons, support, protection |
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Definition
| Hard but flexible matrix with embedded chondrocytes, lacks direct blood suppy |
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Definition
| Long and threadlike cells with multiple nuclei and striations, muscles that attach to bones, upper third of esophagus, helps to maintain posture and move eyes, multinucleated |
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Definition
| Branching, intercolated discs, faint striations, located on the walls of the heart |
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| Movement of substances along respective tracts, changes diameters of vessels, erection of hairs, involuntary |
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| Supportive and connecting cells |
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