1 - Intro and Histo Grays

1 - Intro and Histo Grays - IntroductionandTissues...

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Introduction and Tissues Human Anatomy BIOL 1010 Liston Campus
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What is Anatomy? Anatomy (= morphology): study of body’s structure Physiology: study of body’s function Structure reflects Function!!!  Structure reflects Function!!!  Branches of Anatomy Gross: Large structures Surface: Landmarks Histology: Cells and Tissues Developmental: Structures change through life Embryology: Structures form and develop before birth
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Hierarchy of Structural  Organization Each of these build upon one another  to make up the next level: Chemical level  Cellular Tissue Organ Organ system Organism
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Hierarchy of Structural  Organization Chemical level Atoms combine to make molecules 4 macromolecules in the body Carbohydrates Lipids Proteins Nucleic acids
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Hierarchy of Structural  Organization Cellular Made up of cells and cellular organelles  (molecules) Cells can be eukaryotic or prokaryotic Organelles are structures within cells that  perform dedicated functions (“small organs”) http://cmweb.pvschools.net/~bbecke/newell/Cells.html
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Hierarchy of Structural  Organization Tissue Collection of cells that work together to  perform a specialized function 4 basic types of tissue in the human body: Epithelium Connective tissue Muscle tissue  Nervous tissue www.emc.maricopa.edu
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Hierarchy of Structural  Organization Organ Made up of tissue Heart Brain Liver Pancreas, etc…… Pg 181
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Hierarchy of Structural  Organization Organ system (11) Made up of a group of related organs that work  together  Integumentary Skeletal Muscular Nervous Endocrine Cardiovascular Lymphatic Respiratory Digestive Urinary Reproductive  Circulatory Pg 341 Urinary System
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Hierarchy of Structural  Organization Organism An individual human, animal, plant, etc…… Made up all of the organ systems Work together to sustain life 
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Anatomical Directions Anatomical position Regions Axial vs. Appendicular Anatomical Directions-It’s all Relative! Anterior (ventral) vs. Posterior (dorsal) Medial vs. Lateral Superior (cranial) vs. Inferior (caudal) Superficial vs. Deep Proximal vs. Distal Anatomical Planes Frontal = Coronal Transverse = Horizontal = Cross Section Sagittal Pg 5
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Anterior – (ventral) Closer to the front surface of the body Posterior – (dorsal) Closer to the rear surface of the body Frontal Plane Medial – Lying closer to the midline Lateral – Lying further away from the midline Sagittal Plane Superior – (cranial) Closer to the head in relation to the entire body (More General) Inferior – (caudal) Away from the head or towards the lower part of the body Horizontal Plane Superficial – Towards the surface
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This note was uploaded on 11/10/2011 for the course PDBIO 220 taught by Professor Tomco during the Winter '09 term at BYU.

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1 - Intro and Histo Grays - IntroductionandTissues...

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