ANAPHY 3
PALAWAN STATE UNIVERSITY
Founded: 1965
Location: Philippines
Department: College of Sciences
Course: Human Anatomy and Physiology
Table of Contents
2.1 Four types of tissue
2.2 Microscope
2.3 Epithelial Tissue
2.4 Epithelial cells
2.5 Squamous epithelium
2.6 Cuboidal and Transitional epithelia
2.7 Columnar epithelia
2.8 Glandular epithelia
2.9 Exocrine Glands
2.10 A matrix surrounds connective tissue cells
2.11 Loose Connective tissue
2.12 Dense Connective tissue
2.13 Cartilage
2.14 Bone as framework of the body
2.15 Tissue Membranes
2.16 Muscle Tissue
2.17 Tissue for contraction
Learning Objectives
Epithelial Tissue: List its functions, classification criteria, and locations for each type.
Connective Tissue: Enumerate categories, functions, and types of cells in each.
Membranes: Compare mucous, serous, cutaneous, and synovial membranes.
Connective Tissues: Summarize their role in supporting body framework.
Muscle Tissue: Compare characteristics of the three forms.
Neurons vs. Neuroglia: Differentiate and discuss their functions.
Overview
Clinical Case: The Tallest in the School
Subject: Elijah
Height: Expected to excel in basketball due to his height but faces struggles due to several health issues including double-jointedness, flat feet, scoliosis, and vision problems.
Incident: Collapsing during basketball tryouts due to cardiac arrhythmia, requiring use of an AED for revival and hospital emergency.
Discussion
Introduction
Comparative Analysis: Similarities between a corporation and a living organism - dependence on specialized groups.
Cells and Tissues: Cells group together to form tissues, each serving specialized functions.
Histology: Study of tissues essential for understanding functional anatomy; involves tissue manipulation before microscopic study.
Four Primary Tissue Types
1. Epithelial Tissue
Functions:
Covers surfaces, lines cavities, and forms glands.
Controls permeability of substances.
Classification Criteria:
Based on cell shape and layering (simple vs. stratified).
2. Connective Tissue
Functions:
Structural support, energy storage, defense.
Contains specialized cells, fibers, and ground substance.
3. Muscle Tissue
Types:
Skeletal Muscle: Voluntary movement.
Cardiac Muscle: Involuntary contractions in the heart.
Smooth Muscle: Involuntary movement in organs.
4. Nervous Tissue
Components:
Neurons conduct impulses.
Neuroglia support cells.
Microscopy
Types of Microscopes
Transmission Electron Microscope (TEM): High-resolution images, used for detailed internal structures.
Scanning Electron Microscope (SEM): Creates 3D images of specimen surfaces.
Light Microscope: Commonly used for general tissue observations.
Epithelial Tissue Characteristics
Structure and Functions
Shapes: Squamous, cuboidal, columnar, stratified.
Epithelial Roles: Protection, sensation, secretion.
Glandular Epithelium:
Exocrine Glands: Secrete externally (e.g., sweat glands).
Endocrine Glands: Release hormones internally.
Connective Tissues
Components and Functions
Basic Components:
Specialized cells
Extracellular fibers
Ground substance (matrix)
Types: Loose (e.g., areolar), Dense (e.g., tendons), Fluid (e.g., blood), and Supporting tissues (e.g., cartilage, bone).
Muscle Tissue
Types and Functions
Skeletal Muscle: Striated and voluntary.
Cardiac Muscle: Striated and involuntary, contains intercalated discs.
Smooth Muscle: Non-striated, involuntary, found in various organs.
Nervous Tissue
Components
Neurons for impulse conduction.
Neuroglia for support and protection.
Clinical Correlation
Marfan Syndrome
Affects connective tissues due to genetic mutation.
Symptoms include being tall, double-jointedness, and heart complications.
Conclusion
Understanding the structure and functions of various tissue types is essential in anatomy and physiology, offering foundational knowledge for medical and health-related fields.
PALAWAN STATE UNIVERSITY
Founded: 1965
Location: Philippines
Department: College of Sciences
Course: Human Anatomy and Physiology
Table of Contents
2.1 Four Types of Tissue2.2 Microscopy and Types of Microscopes2.3 Epithelial Tissue and Characteristics2.4 Epithelial Cells and Types2.5 Squamous Epithelium2.6 Cuboidal and Transitional Epithelia2.7 Columnar Epithelia2.8 Glandular Epithelia2.9 Exocrine and Endocrine Glands2.10 Connective Tissue Structure2.11 Loose and Dense Connective Tissue2.12 Cartilage Structure and Types2.13 Bone as the Body’s Framework2.14 Membranes: Types and Functions2.15 Muscle Tissue Overview2.16 Types of Muscle Tissue2.17 Tissue for Contraction and Functions
Learning Objectives
Epithelial Tissue: List its diverse functions, classification criteria, and specific locations for each type of epithelial tissue, including characteristics of squamous, cuboidal, and columnar cells.
Connective Tissue: Enumerate the categories of connective tissue (loose, dense, specialized), their functions, and types of cells found in each category, as well as their extracellular matrix.
Membranes: Compare the structure and function of mucous, serous, cutaneous, and synovial membranes in relation to their roles in the body.
Connective Tissues: Summarize their critical roles in supporting the body framework, as well as providing energy reserves, and defense.
Muscle Tissue: Compare and contrast the characteristics of the three forms of muscle tissue, highlighting their histological features and roles in movement and stability.
Neurons vs. Neuroglia: Differentiate and discuss their essential functions in the nervous system.
Overview
Clinical Case: The Tallest in the School
Subject: Elijah
Height: Expected to excel in basketball due to his height but faces struggles due to several health issues including double-jointedness, flat feet, scoliosis, and vision problems.
Incident: Collapsing during basketball tryouts due to a serious cardiac arrhythmia, requiring immediate action with the use of an AED for revival and subsequent transport to the hospital for emergency evaluation and treatment.
Discussion
Introduction
Comparative Analysis: Exploring the similarities between a corporation and a living organism - both rely heavily on specialized groups to function, illustrating the importance of organization and teamwork.
Cells and Tissues: Cells group together to form tissues, with each type of tissue serving distinct and specialized functions crucial for maintaining overall health.
Histology: The study of tissues is essential for understanding functional anatomy. This discipline involves the manipulation and preparation of tissue samples before microscopic study to reveal their intricate structures and functions.
Four Primary Tissue Types
Epithelial Tissue
Functions:
Covers surfaces, lines cavities, and forms glands.
Acts as a selective barrier controlling permeability of substances to protect underlying tissues.
Classification Criteria:
Classified based on cell shape (squamous, cuboidal, columnar) and layering (simple vs. stratified). Each type serves unique functions according to its location and morphology.
Connective Tissue
Functions:
Provides structural support, energy storage, and defense against pathogens.
Comprises specialized cells embedded within a complex extracellular matrix containing fibers and ground substance.
Types:
Loose connective tissue (e.g., areolar), Dense connective tissue (e.g., tendons), Fluid connective tissue (e.g., blood), and Supporting connective tissues (e.g., cartilage, bone).
Muscle Tissue
Types:
Skeletal Muscle: Striated and voluntary, responsible for locomotion and body movement.
Cardiac Muscle: Striated and involuntary, characterized by intercalated discs for synchronized heart contractions.
Smooth Muscle: Non-striated, involuntary, found in various organ systems, regulates internal movements and functions.
Nervous Tissue
Components:
Neurons: Specialized cells responsible for conducting electrical impulses and processing information.
Neuroglia: Support cells that nourish and protect neurons, maintaining the overall health and functionality of the nervous system.
Microscopy
Types of Microscopes:
Transmission Electron Microscope (TEM): Provides high-resolution images of internal structures, enabling detailed analysis of cellular organelles.
Scanning Electron Microscope (SEM): Creates three-dimensional images of specimen surfaces, ideal for observing topography and fine details.
Light Microscope: Commonly used for general tissue observations in histology and anatomy studies.
Epithelial Tissue Characteristics
Structure and Functions:
Shapes: Squamous (flat), cuboidal (cube-shaped), columnar (rectangular), and stratified (multiple layers).
Roles of Epithelium: Protects underlying tissues, facilitates sensation, secretion of substances, and absorption of nutrients.
Glandular Epithelium:
Exocrine Glands: Secrete substances externally (e.g., sweat glands) into ducts or onto surfaces.
Endocrine Glands: Release hormones internally into the bloodstream, playing a critical role in regulating bodily functions.
Connective Tissues
Components and Functions:
Basic Components:
Specialized cells (e.g., macrophages, fibroblasts)
Extracellular fibers (collagen, elastin)
Ground substance (matrix) that varies in consistency
Types:
Loose Connective Tissue: Provides cushioning and support (e.g., areolar and adipose tissues).
Dense Connective Tissue: Provides tensile strength (e.g., tendons and ligaments).
Fluid Connective Tissue: Includes blood, which is crucial for transportation within the body.
Supporting Connective Tissues: Offer structural support through cartilage and bone, acting as the framework for the body.
Muscle Tissue
Types and Functions:
Skeletal Muscle: Characterized by striations and voluntary control, essential for movement and stability.
Cardiac Muscle: Striated and involuntary, indispensable for pumping blood throughout the body, and features unique intercalated discs that enhance contraction synchronization.
Smooth Muscle: Non-striated and involuntary, found in walls of organs such as the intestines and blood vessels, controlling processes such as digestion and blood flow.
Nervous Tissue
Components:
Neurons: Conduct electrical impulses, facilitating communication within the nervous system and with the rest of the body.
Neuroglia: Provide supportive roles, addressing metabolic needs and protecting the delicate neurons.
Clinical Correlation
Marfan Syndrome:
A genetic disorder affecting connective tissues, leading to a variety of symptoms including tall stature, double-jointedness, and serious cardiovascular complications. This disorder emphasizes the importance of connective tissues in maintaining overall health and normal physiological functions.
Conclusion
Understanding the structure and functions of various tissue types is essential in anatomy and physiology, offering foundational knowledge for medical and health-related fields. This knowledge facilitates better comprehension of the human body's complexities and underpins advancements in healthcare and medical research.