Term
| Two main parts of cell cycle |
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Definition
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Term
| most of cell’s lifetime is spent.. |
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Definition
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Term
| 3 stages of somatic cell division |
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Definition
DNA replication, mitosis (divides genetic material equally) , cytokinesis (divides cytoplasm & orgnanelles) |
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Term
| 2 enzymes for DNA Replication |
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Definition
| helicases (unwind dna strands) and dna polymerase |
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Term
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Definition
- g-zero phase: specialized cell functions
- g1 phase: cell growth, duplication, protein synthesis
- s phase: dna replication and histone synthesis
- g2 phase: finishes protein synthesis and centriole replication |
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Term
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Definition
| of cytoplasm, cleavage furrow around metaphase plate |
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Term
| Slower mitotic rate = ??? |
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Definition
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Term
| stem cells maintain cell population by ?? |
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Definition
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Term
| cells specialize or also known as |
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Definition
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Term
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Definition
- white: stores fat, absorbs shocks, slows heat loss
- brown fat: adipocytes of brown have many mitochondria, found in infants to increase heat quickly |
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Term
| Two major parts of integumentary system |
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Definition
cutaneous membrane ( dermis & epidermis)
accessory structures (nails, hair, etc) |
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Term
| Characteristics of Epidermis |
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Definition
| stratified squamous, avascular, cells present, stratum layers, dead cells |
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Term
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Definition
| papillary layer (areoloar tissue) and reticular layer (irregular connective tissue) |
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Term
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Definition
| inflammation of skin, involving papillary layer |
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Term
| hair color color is determined by |
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Definition
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Term
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Definition
| lack of hair pigment and air bubbles in medulla |
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Term
| define seborrheic dermatitis |
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Definition
| inflammation around abnormally active sebaceous glands |
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Term
| Insensible Vs. Sensible perspiration |
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Definition
- insensible: fluid loss through epidermis by evaportation
- sensible: fluid loss by sweating |
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Term
| Apocrine vs merocrine sweat glands |
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Definition
- Apocrine sweat glands: secrets product into hair follicles, nutrient source for bacteria.
- Merocrine sweat glands: main source of perspiration |
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Term
| Two sources for skin color |
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Definition
- epidermal pigmentation (two pigments are carotene and melanin)
- dermal circulation: color contribution from hemoglobin |
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Term
| What causes skin red/pink skin tone color? |
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Definition
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