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Anatomical Terminology
Introductory Concepts: 1) Homeostasis – macro and micro 2) Body terminology
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Directional Terms Anterior – front, before
Example: The vertebral column is dorsal to the more anterior sternum
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Directional Terms Ventral - belly
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Directional Terms Cranial - head
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Directional Terms Superior – Above (higher level)
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Directional Terms Medial – toward the body’s midline
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Directional Terms Proximal – toward point of attachment
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Directional Terms Superficial – at or near the surface
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Directional Terms Posterior – back; behind
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Directional Terms Dorsal - back RIGHT HAND
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Directional Terms Caudal - tail
Hindlimb conformation faults: caudal view
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Directional Terms Inferior – below (lower level)
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Directional Terms Lateral – away from midline
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Directional Terms Distal – away from point of attachment
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Directional Terms Deep – farther from the surface
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Body Planes and Sections
Transverse – divides the body into superior and inferior sections
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Body Planes and Sections
Frontal – divides the body into anterior and posterior sections
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Body Planes and Sections
Sagittal – divides the body into right and left sections
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Section 1
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Section 2
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Section 3
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Section 4
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Section 5
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Section 6
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Section 7
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Section 8
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Major Body Cavities PLEURAL PERICARDIAL
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Introductory Anat/physiology test
Body cavities and organs located within the cavity (labeling and matching) Anatomical terminology – be able to apply it Overview of organ systems (matching)
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Introductory Anat/physiology test
Body planes and sections (identify pictures) Cell parts and functions Homeostasis Thirst fill-in blank Scenario identification of stimulus, receptors, effectors and response Cell membrane – diffusion, osmosis terms and active transport
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1) Kidneys detect ↓ blood volume
2) hypothalamus detects ↑ in blood osmolarity ↓ water volume ↑ osmolarity of blood Dehydration 1) JGA in kidneys 2) Hypothalamus in brain 1) Adrenal gland (on top of kidney) releases aldosterone 2) ADH (anti-diuretic hormone) is released from pituitary gland 1) Kidneys keep water and salts instead of excreting them 2) Kidneys keep water and salivary glands do not salivate (causes dry mouth = thirst)
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The Cell
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Prokaryotic v. Eukaryotic Cells
Prokaryotic and Eukaryotic Cells Section 7-1 Cell membrane Cytoplasm Prokaryotic Cell Nucleus Eukaryotic Cell Organelles
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Plant Cell Figure 7-5 Plant and Animal Cells Plant Cell Section 7-2
Nuclear envelope Ribosome (attached) (free) Smooth endoplasmic reticulum Nucleus Rough endoplasmic reticulum Nucleolus Golgi apparatus Mitochondrion Cell wall Cell Membrane Chloroplast Vacuole Plant Cell
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Animal Cell a Figure 7-5 Plant and Animal Cells c d b a e k f g j i h
Section 7-2 Centrioles Nucleolus Nucleus Nuclear envelope Rough endoplasmic reticulum Golgi apparatus Smooth Mitochondrion Cell Membrane Ribosome (free) (attached) c d b a e k f a g j i h Animal Cell
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Venn Diagrams Prokaryotes Eukaryotes Animal Cells Plant Cells
Section 7-2 Prokaryotes Eukaryotes Nucleus Endoplasmic reticulum Golgi apparatus Lysosomes Vacuoles Mitochondria Cytoskeleton Cell membrane Contain DNA Animal Cells Plant Cells Cell membrane Ribosomes Nucleus Endoplasmic reticulum Golgi apparatus Lysosomes Vacuoles Mitochondria Cytoskeleton Cell Wall Chloroplasts Centrioles
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Figure 7-11 Cytoskeleton Cell membrane Endoplasmic reticulum
Section 7-2 Cell membrane Endoplasmic reticulum Microtubule Microfilament Ribosomes Mitochondrion
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Divison of Labor A cell is made up of many parts with different functions that work together. Similarly, the parts of a factory or a machine work together to carry out different functions and come up with a product. Answer the following questions. 1. What are some of the different parts of a computer? What are the functions of these computer parts? 2. How do the functions of these computer parts correspond to the functions of certain cell parts?
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Cell Membrane Guard station— lets somethings in Keeps some things out
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Cell Wall (plants only)
Wall outside the factory guard gate Protection and strength
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mitochondria Generator Creates energy for the factory
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Golgi Apparatus Packaging, processing Puts wrapper on the candy bar
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Nucleus CEO, central office Directs the factory Contains the recipe
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Nucleolus Machine makers
Place where the assembling machines (ribosomes) are made
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Ribosomes Assembling machines
Assembles the candy bars, takes them to packaging (golgi)
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Endoplasmic reticulum
Inner-factory transport Conveyor belt, transports candybars (proteins)
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Lysosome Sanitation crew Destroys garbage Cleans out foreign debris
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Vacuole Warehouse storage- Contains all of the surplus materials
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Chloroplast (plants only)
Solar panels on the factory Converts sunlight to usable energy for the factory
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ANSWERS TO INTRO CELL QUESTIONS
Attached to microscope lab
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Cell Structures and Functions
1. The CELL is the fundamental building block of the body.
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How are certain cells in your stomach specialized?
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The _______ is the control center of the cell.
Nucleus
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How many chromosomes in each human cell?
46 (23 pairs) You get 23 from mom and 23 from dad
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What is the function of chromosomes?
Chromosomes are composed of DNA which directs the cell’s activities. They are the instructions for the building of all of your body’s proteins.
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Where are proteins assembled?
Ribosomes (attached or free)
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Where is RNA manufactured?
nucleolus
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What structure transports proteins?
Endoplasmic reticulum
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What is the function of the Golgi body?
To package proteins in a molecular coat so they can be sent out of the cell.
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Lysosomes contain chemical substances called________.
Enzymes The enzymes breakdown proteins into amino acids.
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Ribosomes use the amino acids to build new
Proteins
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_______ are storage sacs.
Vacuoles Incoming nutrients are stored in vacuoles before they are broken down by LYSOSOMES.
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Clinical autopsy – gross analysis to cellular analysis
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To assemble proteins and perform many other functions the cell uses______.
ENERGY – (ATP)
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Mitochondria produce ENERGY in the form that the CELL can use.
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Importance of cell membrane
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Selectively permeable
Phospholipid bilayer – allows oxygen, carbon dioxide and water to pass freely Channel proteins – allow dissolved ions (Na+, Ca+ K+, Cl-) to pass freely Carrier proteins – change shape to allow large molecules to pass in and out – ex glucose Pumps – requires energy to work, pushes in or out ions and nutrients – ex Na+ and K+ pumps regulate ICF/ECF concentrations and neurons
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No energy needed Energy needed
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