Understanding Epithelial Tissues: Structure, Function, and Classification Study Guide
This guide provides a comprehensive overview of epithelial tissues, covering their fundamental structure, including cellular polarity (apical and basolateral surfaces), and their diverse functions such as physical protection, control of permeability, sensation, and specialized secretion. It details the classification of epithelial tissues based on cell shape (squamous, cuboidal, columnar) and the number of layers (simple, stratified). The guide also explains glandular epithelia, distinguishing b
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Introduction to Anatomy, Physiology, and Organization
Introduction to Anatomy and Physiology
An overview of the levels of organization, primary tissue types, organ systems, and homeostatic regulation mechanisms in the human body.
- Homeostasis
- Anatomy
- Physiology
- Gross anatomy
- Microscopic anatomy
- Levels of organization
- Chemical level
- Cellular level
- Tissue level
- Organ level
- Organ system level
- Organism level
- Epithelial tissue
- Connective tissue
- Muscle tissue
- Neural tissue
- Negative feedback
- Positive feedback
- Anatomical position
The Chemical Level of Organization
Chemical Level of Organization Review
Review concepts regarding the chemical level of organization, including matter, atoms, and elements.
- Chemical level of organization
- Matter
- Mass
- Atoms
- Protons
- Electrons
- Nucleus
- Electron cloud
- Molecules
- Atomic number
- Mass number
- Element
- Electron shell
- Isotopes
- Atomic mass
- Atomic weight
- Principal elements
- Trace elements
Chemical Level of Organization Review
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Cellular Level of Organization and Protein Synthesis
Genetic Code and Protein Synthesis
Processes including transcription and translation involve DNA, RNA, and ribosomes to produce proteins and amino acids.
- DNA structure
- Nucleosomes
- Chromatin
- Chromosomes
- Nitrogenous bases
- Genetic code
- Triplet code
- Protein synthesis
- Transcription
- RNA polymerase
- Translation
- Codon
- Anticodon
- Ribosomes
- Cell permeability
- Plasma membrane
Functional Anatomy and Accessory Structures of the Integumentary System
Structure and Function of the Integumentary System
This content describes the layers of the dermis, the subcutaneous layer, accessory structures of the skin, and the classification of burns.
- epidermis
- dermis
- papillary layer
- reticular layer
- subcutaneous layer
- adipose tissue
- sensory receptors
- tactile corpuscles
- Pacinian corpuscles
- tension lines
- first-degree burn
- second-degree burn
- third-degree burn
- skin grafts
- autograft
- allograft
- xenograft
- accessory structures
- hair follicles
- exocrine glands
Structure and Formation of Hair
Hair is composed of dead, keratinized cells produced in a specialized hair follicle.
- Terminal hairs
- Vellus hairs
- Hair shaft
- Hair root
- Root hair plexus
- Arrector pili
- Hair bulb
- Hair papilla
- Hair matrix
- Medulla
- Cortex
- Cuticle
- Hard keratin
- Soft keratin
- Internal root sheath
- External root sheath
- Glassy membrane
- Connective tissue sheath
- Hair growth cycle
- Active phase
Exocrine Glands and Nail Structure
- Sebaceous glands
- Holocrine glands
- Sebum
- Arrector pili muscle
- Sweat glands
- Merocrine secretion
- Myoepithelial cells
- Apocrine sweat glands
- Eccrine sweat glands
- Thermoregulation
- Keratinized epidermal cells
- Nail body
- Lunula
- Nail root
- Eponychium
- Hyponychium
Age-Related Changes to the Integument
Age-related changes affect the integument through fewer melanocytes, drier epidermis, thinning dermis, and diminished immune response.
- Age-related integument changes
- Melanocyte activity
- Epidermis thinning
- Dermis thinning
- Vitamin D3 production
- Immune response and dendritic cells
- Sweat gland activity
- Blood supply and thermoreceptors
- Skin repair
- Hair and fat distribution
- Circulating hormones
- Steroid hormones
- Thyroid hormones
Chemical Foundations and Properties of Water
Chemical Foundations of Biological Systems
This review guide covers atoms, chemical bonds, ions, and the properties of water and metabolism in the body.
- atomic structure
- energy levels
- cations
- chemical bonding
- ionic bonds
- covalent bonds
- polar molecules
- nonpolar molecules
- states of matter
- hydrogen bonds
- water properties
- chemical reactions
- reactants
- products
- metabolism
- mole
- molecular weight
- hydrolysis
- catabolism
- anabolism
Ion Concentration and pH Regulation
Regulation of ion concentration in body fluids through kidneys, digestive tract, and skeletal system, including the properties of acids, bases, salts, and buffers.
- Ion concentration regulation
- Nonpolar molecules
- Hydrophobic molecules
- Colloid
- Suspension
- Hydrogen ions
- Hydroxide ions
- pH scale
- Acidosis
- Alkalosis
- Acids
- Bases
- Salts
- Buffers
Structure and Growth of Bones
Abnormalities of Bone Growth and Development
Abnormalities of bone growth and development produce recognizable physical signs including disorders causing shortened, lengthened, or unusual bone deposition.
- Pituitary growth failure
- Achondroplasia
- Congenital talipes equinovarus
- Gigantism
- Fibrodysplasia ossificans progressiva
- Acromegaly
- Epiphyseal cartilage activity
- Growth hormone production
- Heterotopic bones
Structure and Function of Organic Molecules
Organic Compounds Carbohydrates Lipids and Proteins
Organic compounds including carbohydrates, lipids, and proteins contain carbon and hydrogen and feature functional groups that influence molecular properties.
- Organic compounds
- Functional groups
- Carbohydrates
- Monosaccharides
- Disaccharides
- Polysaccharides
- Glucose
- Isomers
- Dehydration synthesis
- Hydrolysis
- Lipids
- Fatty acids
- Saturated fatty acids
- Unsaturated fatty acids
- Glycerides
- Triacylglycerols
- Eicosanoids
- Steroids
- Cholesterol
- Phospholipids
Structure and Function of Macromolecules
Large organic molecules including proteins, enzymes, high-energy compounds, and nucleic acids consist of specific structural components and chemical properties.
- Amino acids
- Protein structure
- Denaturation
- Enzymes
- Substrates
- Active site
- Nucleic acids
- DNA
- RNA
- Nucleotides
Epithelial and Connective Tissue Structures
Introduction to Epithelial Tissues
Epithelial tissue covers surfaces, lines cavities, and forms secretory glands through specialized cell shapes and layers.
- Epithelial tissue
- Exocrine glands
- Endocrine glands
- Physical protection
- Control permeability
- Sensation
- Specialized secretions
- Apical surface
- Basolateral surface
- Polarity
- Lumen
- Microvilli
- Squamous cells
- Cuboidal cells
- Columnar cells
- Simple epithelium
- Stratified epithelium
- Avascular
Introduction to Epithelial Tissues
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Epithelial Intercellular Connections and Squamous Epithelium
- Hemidesmosomes
- Reticular lamina
- Tight junctions
- Adhesion belts
- Desmosomes
- Simple squamous epithelium
Structure and Function of Connective Tissue
Connective tissue consists of specialized cells, extracellular protein fibers, and ground substance organized into connective tissue proper, fluid connective tissue, and supporting connective tissue.
- Connective tissue components
- Extracellular matrix
- Ground substance
- Extracellular protein fibers
- Connective tissue proper
- Loose connective tissue
- Dense connective tissue
- Fluid connective tissue
- Supporting connective tissue
- Areolar tissue
- Adipose tissue
- Reticular tissue
- Dense regular connective tissue
- Dense irregular connective tissue
- Elastic tissue
- Cartilage
- Bone
- Blood
- Lymph
- Fixed cells
Structure and Function of Fluid Connective Tissues
Fluid connective tissues include blood and lymph, which consist of aqueous matrices and suspended proteins.
- Fluid connective tissue
- Blood components
- Plasma
- Formed elements
- Red blood cells
- White blood cells
- Platelets
- Lymph
- Lymphatic vessels
- Interstitial fluid
- Extracellular fluid circulation
- Arteries
- Capillaries
- Veins
Structure and Function of Cartilage
Cartilage provides flexible support for body structures within a matrix of chondroitin sulfates.
- Chondrocyte
- Lacunae
- Hyaline cartilage
- Elastic cartilage
- Fibrocartilage
- Perichondrium
- Appositional growth
- Interstitial growth
- Chondroblasts
- Proteoglycans
Structure and Function of Bone Tissue
Osseous tissue is a connective tissue with a solid, crystalline matrix consisting of calcium salts and collagen fibers.
- Osseous tissue
- Bone matrix
- Calcium phosphate
- Calcium carbonate
- Collagen fibers
- Compact bone
- Spongy bone
- Osteons
- Osteocytes
- Canaliculi
- Periosteum
- Appositional growth
Types of Tissue Membranes and Fasciae
Overview of four types of tissue membranes and three types of fasciae that support and surround organs.
- Mucous membranes
- Serous membranes
- Synovial membranes
- Superficial fascia
- Deep fascia
- Subserous fascia
- Mesothelium
- Areolar connective tissue
- Dense irregular connective tissue
- Pericardium
- Peritoneum
Muscle and Nervous Tissue Functions
Muscle tissue and nervous tissue are specialized for contraction and communication through electrical impulses.
- Muscle tissue proportions
- Nervous tissue proportions
- Skeletal muscle tissue
- Cardiac muscle tissue
- Smooth muscle tissue
- Neurons
- Neuroglia
- Dendrites
- Cell body
- Inflammation and regeneration
Responses to Tissue Injury
The response to tissue injury involves inflammation and regeneration to restore homeostasis.
- Inflammation
- Regeneration
- Mast cell activation
- Histamine release
- Swelling
- Warmth
- Pain
- Blood vessel permeability
- Phagocytosis
- Fibroblasts
- Collagen fibers
- Scar tissue
- Fibrosis
Clinical Module on Bone Fractures
Clinical Module on Bone Fractures
This module describes the general categories and specific types of bone fractures.
- Closed or simple fractures
- Open or compound fractures
- Transverse fractures
- Spiral fractures
- Displaced fractures
- Nondisplaced fractures
- Compression fractures
- Greenstick fractures
- Comminuted fractures
- Epiphyseal fractures
- Pott’s (bimalleolar) fracture
- Colles fracture
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