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HumBio

Chapter 3, 4, and 8

QuestionAnswer
Plasma Membrane Function? Selective passage of molecules that go in and out of the cell
Nucleus Function? Stores genetic information
Nucleolus Function? Ribosome formation
Endoplasmic Reticulum (ER) Function? Protein synthesis
Rough ER Function? Protein synthesis
Smooth ER Function? Lipid synthesis
Ribosome Function? Protein synthesis
Golgi Apparatus Function? Processes, packages, and distributes molecules.
Vacuole and Vesicle Function? Stores and transports substances
Lysosome Function? Intracellular digestion
Mitochondrion Function? Cellular respiration
Cytoskeleton Function? Cell shape
Cilia & Flagella Function? Cell movement
Selective Permeability Plasma membrane function: Gatekeeper of the cell
Diffusion Plasma membrane function: Random movement of molecules from the area of higher concentration to the area of lower concentration
Osmosis Plasma membrane function: Diffusion of water across the plasma membrane
Tonicity The degree to which a solution's concentration.
Isotonic Solution No net movement of water
Hypotonic solution Concentration of solute higher outside the cell so water enters the cell which may cause the cell to burst [lysis]
Hemolysis Rupture of red blood cells in a hypotonic solution
Hypertonic solution Concentration of solute higher outside the cell so water leaves the cell which may cause the cell to shrink
Crenation Shrinkage of red blood cells in a hypertonic solution
Diffusion Passage Passive Trans., toward lower concentration. Requires conc. gradient. [Lipid soluble]
Facilitated Passage Passive Trans., toward lower concentration. Requires conc. gradient + carrier. [sugar amino acids]
Active Passage Active Trans., toward higher concentration. Requires carrier + energy. [sugars, amino acids]
Endocytosis Passage Active Trans., towards the inside. Requires vesicle formation [macromolecules]
Exocytosis Passage Active Trans., towards the outside. Requires vesicle fuses [macromolecules]
Negative Feedback Loop Blood Pressure
Positive Feedback Loop Childbirth
What is a tissue? A specialized group of cells which perform a common function
Epitheleal Function and Cancer? Covers body surfaces and lines body cavities. [Carcinomas]
Connective Function and Cancer? Binds and supports body parts. [Sarcomas]
Blood Function and Cancer? Specialized connective tissue. [Leukemia]
Lymph Function and Cancer? Specialized connective tissue. [Lymphoma]
Muscular Function and Cancer? Moves the body and its parts [Sarcoma]
Nervous Function and Cancer? Receives stimuli and conducts nerve impulses. [Neuroma]
Tumor Growth of tissue
Benign Non-lethal growth
Malignant Lethal growth
In situ Growth located within site
Metastasis Cancer spreads usually through lymphatic channels or blood vessels
What is the shape of Epitheleal Tisse? Squamous, cubodial, and columnar
What are the arrangements of the Epitheleal Tissue? Simple and Psedostraified touch basement membrane, stratified are stacked ciliated or non-ciliated.
What are the junctions of the Epitheleal Tissue? Tight [Kidney], Gap [Heart], and Adhesion [Stomach]
What is the matrix? Non-cellular material surrounding the Connective Tissue [CT]
Collagen Flexibility and strength [CT]
Reticular Fibers Thin branched supportive networks [CT]
Elastic More elastic than collagen [CT]
Loose Fibrous Connective Tissue Organ Support
Dense Fibrous Connective Tissue Ligaments [Bone to bone] & Tendons [Muscle to Bone]
Adipose Tissue [CT] Provides insulation, energy, and organ protection
Cartilage [CT] Hyaline [fetal skeleton & nose], Elastic [nose], and Fibrocartilage [discs]
Bone [CT] Compact [Shaft] ; Spongy [Ends of bone]
Blood [CT] Plasma [Liquid], Formed elements [RBC, WBC, Platelets]
What does the Neuron do? [Nervous Tissue] Conducts impulses
What does the Dendrite do? [Nervous Tissue] Receives signal, cell body
What does the Axon do? [Nervous Tissue] Conducts impulses
What does the Neuroglia do? [Nervous Tissue] Supports and nourishes neurons.
Cranial Contents, Covering, & Disease Located in the Dorsal cavity, contains the brain, covered by meninges. [Meningitis]
Spinal Canal Contents, Covering, & Disease Located in the Dorsal cavity, contains the spine, covered by meninges. [Meningitis]
Pleural Contents, Covering, & Disease Located in the Ventral cavity, contains the lungs, covered by pleural. [Pleurisy]
Pericardial Contents, Covering, & Disease Located in the Ventral cavity, contains the heart, covered by pericardial [pericarditis]
Abdominal Contents, Covering, & Disease Located in the Ventral cavity, contains the digestive organs, covered by peritoneal [peitonitis]
Epidermis Melanocytes, that determine skin color.
Dermis Sebaceous glands, sweat glands, blood vessels.
Subcutaneous Fat
Created by: Carprincess
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