Term
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Definition
Makes protein
synthesize protein for use inside cell and produce other proteins to be exported |
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Term
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Definition
Transportation unit of cells
Makes & assists to transport proteins
Rough or granular (ribosomes attached)
Smooth or agranular (no ribosomes attached) |
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Term
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Definition
Packing & shipping plant of cell
Proteins are wrapped in golgi body's membrane and sent to the desired area, often outside the cell |
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Term
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Definition
Power plant of cell
Cellular respiration, makes adenosine triphospate (ATP) for cell's energy |
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Term
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Definition
Pac-man organelle
Engulf pathogens and cellular debris. Can self-digest the cell when reduction of cells in an organ is needed. |
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Term
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Definition
Passive process of moving molecules from an area of high concentration to an area of low concentration.
Process continues until distribution is equal |
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Term
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Definition
| Movement of particles across cellular membrane because of a pressure gradient. |
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Term
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Definition
Similar to diffusion, osmosis involves a pure solvent, like water, instead of particles.
Movement of solvent from area of low to area of high concentration.
Relies on concentration distribution of dissolved elements within solvent. When elements are too large, only the liquid passes, leaving elements behind. |
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Term
| Active Transport within cells |
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Definition
| Movement of important atoms and molecules against concentration gradient from low levels to high levels involving chemical and physical mechanisms. Carrier proteins, which are part of cell membrane, attach to ions and carry them into the cell. |
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Term
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Definition
Active movement process moving particles across cell membrane into cell.
Two types are:
phagocytosis (cell eating)
pinocytosis (cell drinking) |
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Term
| List 3 types of cartilage |
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Definition
Hyaline: most common. Elastic, rubbery, smooth. Covers bone ends, part of larynx, forms C shaped rings of trachea
Elastic: Soft, pliable. Nose, ears
Fibrocartilage: Greatest tensile (carrying only tenstion, no compression or bending) strenghth. Intervetebral disks, meniscus of knee, between pubic bones |
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Term
| Name 7 functions of the skin |
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Definition
1. Protection
2. Absorption
3. Sensation
4. Temperature regulation
5. Waste elimination (thru perspiration--salt, lactic acid)
6. Vitamin D synthesis
7. Immunity (Langerhans cells attach to pathogens and destroy them) |
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Term
| List layers of skin from superficial to deep |
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Definition
Epidermis
Dermis
Subcutaneous |
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Term
| Which skin layer is keratin found? |
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Definition
| Found in epidermis; waterproofing |
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Term
| Which skin layer is melnin found? |
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Definition
| Epidermis. Skin and hair pigment. |
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Term
| Langerhans cells found where? Function? |
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Definition
| Epidermis. Limited immunologic reactions, along with helper T cells |
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Term
| Stratum germinativum found in which skin layer. Function? |
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Definition
aka. stratum basale
Deepest layer of four epidermis layers.
Contains Merkel disks (nerve endings responding to superficial pressure)
Continuously undergoes cell division, giving rise to all other layers:
Spinosum
Granulosum
Lucidum
Corneum |
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Term
| What is medical term for "true skin" |
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Definition
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Term
| What does the dermis contain |
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Definition
| nerves, nerve endings, muscles, hair follicles, sweat and oil glands, blood vessels. |
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Term
| Which skin layer is collagen found. It's function? |
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Definition
Dermis
Constitutes 70% of dermis; provides support to nerves, blood vessels, hair follicles, glands.
Elastin found in collagen and provides elasticity |
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Term
| What is deepest skin layer called? Function? |
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Definition
Subcutaneous
aka superficial fascia.
Not actually a true skin region, but a loose layer of fat and connective tissue.
Contains nerve receptors and fat |
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Term
| Krause End Bulbs found where? Function? |
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Definition
Found in subcutaneous
Detects cold (below 65 degrees) |
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Term
| Ruffini end organs found where? Function? |
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Definition
Subcutaneous layer
Nerve endings detecting deep, sustained pressure and rising temps (85 - 120 degrees).
Help us to stay in contact with grasped objects. |
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Term
| Another name for sweat glands |
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Definition
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Term
| Meissner corpuscle function: |
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Definition
| Receptor for light touch; most numerous around nipples, fingertips and lips |
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Term
Pacinian corpuscle? Function?
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Definition
Deep in dermal layer, mostly in hands and feet and joint capsules.
Respond to crude, deep pressure. Receive proprioceptive info about joint position.
Respond quickly, and only when stimulus is first applied. |
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Term
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Definition
A: assymetry
B: border
C: color
D. diameter
E: elevated
F. fast-growing |
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