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Chapter 1 Part B

by: LaQuaila Cooper

Chapter 1 Part B BIOL 2457

LaQuaila Cooper

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About this Document

This part of chapter 1 is over anatomical terms and directions, body cavities, etc.
Xavier G Aranda
Class Notes
Anatomy& Physiology
25 ?





Popular in Biological Sciences

This 3 page Class Notes was uploaded by LaQuaila Cooper on Tuesday September 20, 2016. The Class Notes belongs to BIOL 2457 at University of Texas at Arlington taught by Xavier G Aranda in Fall 2016. Since its upload, it has received 21 views. For similar materials see HUMAN ANATOMY AND PHYSIOLOGY I in Biological Sciences at University of Texas at Arlington.

Similar to BIOL 2457 at UTA

Popular in Biological Sciences


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Date Created: 09/20/16
Topic/Objective: Name: Chapter 1 Part B The Human Body: An Class/Period: Orientation Date: Essential Question: Questions: Notes: Anatomical Direction/ Position- body erect, palms forward, thumbs out away from body Anatomical Terms Directional Terms- describes one body structure in relation to another -based on standard anatomical position -left and right views based on your personal body view Orientation and -Superior (cranial)- toward the head Directional Terms -Inferior (caudal)- away from the head -Anterior (ventral)- front of the body -Posterior (dorsal)- back of the body -Medial- toward the midline -Lateral- away from the midline -Intermediate- between medial and lateral -Proximal- closer to the origin of a limb -Distal- farther from the origin of a limb -Superficial (external)- toward the surface of the skin -Deep (internal)- underneath the skin Regional Terms Specific areas within divisions of the body 2 major Divisions of body: 1)axial (head, neck, trunk) 2)appendicular (limbs) -Cephalic (head) -Cervical (neck) -Thoracic (chest) -Abdominal -Pelvic -Pubic -Upper Limb (arms) -Manus (hand) -Lower Limb (legs and thighs) -Pedal (foot) Body Planes & Body Planes – surfaces of body cut anatomically Sections 3 Most Common Planes: 1)Sagittal 2)Frontal (coronal) 3)Transverse (horizontal) -cuts along body plane -named after body plane Sections Sagittal Plane- divides vertically (left and right sides) Midsagittal Plane- cut on the midline Names of Different Planes Parisagittal Plane- cut off-centered Frontal (coronal) Plane- divides into anterior and posterior vertically (front and back) Transverse (horizontal) Plane- divides “horizontally” superior and inferior (top and bottom) -90* do vertical plane, produces cross section Oblique Section- cuts other than 90* to vertical plane Body Cavities and Membranes -Internal cavities closed to environment Dorsal Body Cavity -provide protection to organs -2 Sets of Cavities 1)Dorsal 2)Ventral Ventral Body Cavity -Protects nervous system Subdivisions: 1)Cranial- encases the brain 2)Vertebral- encases spinal cord Thoracic Cavity -Houses internal organs (viscera) -2 subdivisions separated by diaphragm 1) Thoracic 2)Abdominoplevic -2 pleural cavities (each around 1 lung) -Mediastinum  contains Pericardial Cavity (encloses heart)  surrounds thoracic organs such as Esophagus and Trachea Abdominopelvic -Abdominal Cavity (stomach, liver, and spleen) Cavity -Pelvic Cavity (urinary bladder, reproductive organs, and rectum) Serosa (serous membrane): thin, double layered covers surfaces in the ventral body cavity  Parietal Serosa- lines internal walls  Visceral Serosa- covers internal organs (viscera) -double layers separated by serous fluid by both membranes Membranes in -ventral body cavity named for cavity and organs associated with Ventral Body Cavities them Pericardium (heart) Pleurae (lungs) Peritoneum (abdominopelvic cavity) Abdominopelvic  sectioned into quarters Quadrants and -right upper quadrant (RUQ) Regions -left upper quadrant (LUQ) -right lower quadrant (RLQ) -left lower quadrant (LLQ)  9 regions -right and left hypochondriac regions -Epigastric and Hypogastric Regions -right and left lumbar regions -right and left Iliac regions -Umbilical region  Those that are exposed to the environment Other Body Regions - Oral and Digestive - Nasal - Orbital - Middle Ear  Not Exposed to the Environment - Synovial Cavities: joints Caviti Summary: This chapter introduces the directions, planes, and cavities of the body. It is important to know which part of the body you are referring to as a nurse due to the many comparisons. Directions are based on a anatomical position. Planes and Sections describe what the body would look like if it were cut a certain way. The cavities protect organs based on the structure and function they have. Regional Terms & Directions Major Subdivisions Planes Cavities Other important info


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