Anatomy Chapter 1

.pdf
School
Cypress College **We aren't endorsed by this school
Course
ANAT 260
Subject
Anatomy
Date
Jul 21, 2023
Pages
5
Uploaded by YvonneFajardo14 on coursehero.com
Introduction: Studying the Human Body - Anatomy: the study of external structures, internal structures and the relationship between the body parts - Physiology: the study of how the body functions; the study of mechanisms in the body. Structure -> Function - Cytology: study of cells - Histology: study of tissues Anatomy - Microscopic Anatomy: study of structures that cannot be seen without magnification - i.e. cytology and histology - Macroscopic Anatomy: aka gross anatomy,study of structures that can be seen without magnification Gross Anatomy terminology - Surface Anatomy: refers to the superficial anatomical markings - Regional Anatomy: refers to all structures in a specific area of the body - Systemic Anatomy: study of organ systems of the body Levels of Organization - Chemical/Molecular - Simplest level of organization - Over a dozen chemical elements in the body - Four of them make up 99% of the body • Hydrogen, oxygen, carbon, and nitrogen - Major classes of molecules • Water • Carbohydrates • Proteins • Lipids • Nucleic Acids Levels of Organization - Cell - Smallest living unit in the body - Filled with organelles - Tissue - Group of cells that perform specific functions
- Many cells that some surrounding materials Levels of Organization - Organ - Composed of two or more tissue types that work together to perform a specific function - Organ System - Made up of various organs - 11 total organ systems in human body
Anatomical Directions - Superior/inferior - Anterior/Posterior - Medial/Lateral - Cranial/Caudal - Ventral/Dorsal - Proximal/Distal - Superficial/Deep
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