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| Third phase of mitosis, which involves separation of the two chromatids of each chromosome and migration to opposite poles of the cell. |
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| Smallest unit of organization in the body. |
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| Membrane that completely surrounds a cell |
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| Pair of cylindrical structures in the centrosome |
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| Clear constricted area where the two chromatids of chromosome are joined |
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| Organelle associated with centrioles |
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| Two filamentous daughter chromosomes joined at a centromere during cell division |
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| Chief nucleoprotein in the non dividing nucleoplasm |
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| Separate concentrations chromotin in the non dividing nucleus of a cell |
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| Fluid portion contained within the cell membrane |
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| Three dimensional system of support within the cell. |
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| Uptake of materials from the extracellular environment into the cell. |
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| Membrane bound organelle that consists of channels that are either rough or smooth in appearance. Rough and smooth ER |
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| Active transport of material from a vesicle out into the extracellular environment. |
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| Organelle of the cells that is involved in protein segregation, packaging, and transport. |
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| Type of intercellular junction that attaches a cell to a non cell surface. |
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| The study of microscopic structure and function of tissues. |
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| Metabolically inert substances or transient structures within a cell. |
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| Transparent substance that fills in the spaces between cells in a tissue. |
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| Components of the cytoskeleton that are composed of various types of thicker threadlike microscopic structures. |
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| Period when the cell is between divisions. |
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| Most superficial layer in keratinized epithelium. |
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| Organelles of the cell that function both intracellular and extracellular digestion of materials. |
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| Second phase of mitosis in which the chromosomes are aligned into equatorial position. |
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| Organelle associated with the manufacture of ATP. |
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| Delicate thread like structures that are components of the cytoskeleton. |
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| Components of the cytoskeleton. |
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| Portion of the cell division that occurs in phases and results in 2 daughter cells that are identical to the parent cell. |
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Nuclear envelope: Double membrane completely surrounding the nucleus.
Nuclear Pores: Avenues of communication between the inner nucleoplasm and the outer cytoplasm. |
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| Rounded nucledar organelle in the center of the of the cucleoplasm. |
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| Semifluid portion within the nucleus. |
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| Largest, densest and most conspicuous organelle in the cell. |
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| Somewhat independent body part that performs a specific function or functions and that is formed from tissues. |
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| Specialized structures within the cell that are permanent and metabolically active. |
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| Engulfing and then digesting of solid waste or foreign material by the cell. |
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| First phase of mitosis in which the chromatin condenses into chromosomes. |
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| Organelles of the cell that are associated with protein production. |
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| Group of organs functioning together. |
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| Final phase of mitosis in which the division into two daughter cells occurs, with the reappearance of the nuclear envelope. |
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| A type of intermedite filament that plays a major role in intercellular junctions. |
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| Spaces or cavities within the cytoplasm. |
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| Main inorganic crystal in enamel, bone, dentin and cementum, chemical formula Ca10 (PO4)6 (OH)2 |
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| Tubular canals in bone and cementum. |
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| Firm noncalcified connective tissue that serves as skeletal tissue in the body. Temp skeleton in embryo. AVASCULAR! |
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| Smallest unit of organization in the body. |
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| Cells that produce cartilage tissue |
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| Main protein fiber found in the body |
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| Basic tissue type composed of cells and matrix as well as other components. Lies deep to ET and is VASCULAR! 2 types; solid (soft, firm, rigid), fluid. |
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| Name the four tissue types |
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Definition
Epithelium
Connective
Muscle
Nerve |
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| Name All the Connective tissue types and give an example of each |
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Definition
Solid soft: CT proper=Adipose, fibrous, elastic, reticular
Solid firm= cartilage
Solid rigid = bone
Fluid = blood lymph |
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| what are the 2 Muscle types |
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Definition
Involuntary = Smooth, cardiac
Voluntary = skeletal |
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Afferent = sensory
Efferent = motor |
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| connective tissue papillae |
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| Fibers, Collagen, Elastic |
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Layers:
Basal,
Dense,
granular,
intermediate,
keratin,
papillary,
prickle,
superficial |
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| Orthokeratinized stratified squamous |
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| Parakeratinized stratified squamous et |
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| n Ebner's salivary glands |
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| What is dentin composed of? |
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Definition
70% inorganic hydroxyapatite crystals
20% organic collagen fibers
10% water by weight |
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| What is primary dentin composed of? |
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Definition
| Mantle and circumpulpal dentin |
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| What are differences between primary and secondary and tertiary dentin? |
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Primary dentin forms the body of the tooth.
Secondary dentin forms only after the tooth erupts.
Tertiary dentin forms only in response to trauma. |
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