Tissues Flashcards
Epithelial Tissue Characteristics
Covers surfaces Cellularity Polarity Attachment Avascularity Regeneration
Epithelial Tissue Functions
Protection
Controls permeability
Provides sensation
Produce specialized secretions
Basal Lamina
Thin non living material made of Epithelial Tissue and Connective Tissue
Lamina Lucinda
Bilayered, Clear Layer
Simple
Single
Stratified
Multiple
Squamous
Thin/Flat (more diffusion) (less protection)
Cuboidal
Squared shaped (moderate diffusion and protection)
Columnar
Tall slender rectangular (lots of protection not as much diffusion)
Simple Squamous Function
Reduces Friction, High Permeability
Simple Squamous Locations
Mesothelium, ventral cavities, Endothelium, lining of heart, blood vessels, inner lining of cornea, avieoli.
Stratified Squamous Function
Protection against pathogens, Chemical Attack, Abrasion
Stratified Squamous Locations
Surface of Skin, Lines Mouth, Esophagus, Throat, Rectum, Anus, Vagina
Simple Cuboidal Functions
Limited Protection, Secretions, Absorption
Simple Cuboidal Locations
Glands, Ducts, Kidney Tubes, Thyroid
Stratified Cuboidal Functions
Protection, Secretions, Absorption
Stratified Cuboidal Locations
Ducts (Rare), Sweat Glands, Mammary
Simple Columnar Functions
Protection, Secretion, Absorption
Simple Columnar Locations
Stomach, Intestines, Gall Bladder, Urinary Bladder
Stratified Columnar Functions
Protection
Stratified Columnar Locations
Pharynx, Epiglottis, Anus, Urethra
Pseudostratified Ciliated Columnar
Located in the nasal cavity, respiratory organs, and male reproduction organs.
Transitional
Urinary, Pelvis of Kidneys, Ureters
Endocrine glands
Release Hormones
Exocrine glands
Produce Secretions
Serous Gland
Watery
Mucous Gland
Secrete Mucins
Mixed Gland
Watery Mucins
Simple Multicellular
One Single Duct
Multicellular compound
Branching Ducts
Tubular
Coiled
Branched
Alveolar
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Connective Tissue
Most Abundant Tissue
Mesehchymal Cells
Stem Cells
Fibroblasts
Builds Fibers
Fibrocytes
Maintain Fibers
Adipocyte
Store Fat
Melanocytes
Produce Melanin
Mast Cells
Histamine, Heparin
Lymphocytes
Antibodies, Defense
Macrophages
Engulf Cells
Collagen Fibers
Long, Unbranched Fiber
Elastic Fibers
Elastin, Branch, Wavy, Stretch & Recoil
Retigular Fibers
Interwoven Fibers
Areolar
Below Dermis of the Skin
Adipose
White and Brown Fat
Reticular
Support Cells and Organs, A Sheath Around Organs
Dense Regular
Tendons, Ligaments
Dense Irregular
Capsules, Dermis, Eye, Provides Strength to resist force, prevents over extension, Organ Sheath.
Blood
Contains:
RBC
WBC
Platelets
Cartilage
Gel Type Substance, Shock Absorption, No Blood Vessels
Perichondrium
Outer, Fibrous Layer (strength)
Hyaline Cartilage
Stiff, Flexible, Reduce Friction
Elastic Cartilage
Support, but Bend Easily
Fibrous Cartilage
Limits Movement, Prevents Bone to Bone
Osseous Tissue (Bone)
Strong and Calcified, Resists Shattering
Periosteum
Covers Bone Surface
Fibrous Layer
Cellular Layer
Mucous Membranes
Connects Outside
Serous Membrane
Line Body Cavity
Cutaneous Membranes
Skin (waterproof)
Synovial Membranes
Lines Joint Cavities
Fasia
Bodies Framework
Muscle Tissue
Specialized For Contraction
Skeletal Muscle
Movement
Location of Skeletal Tissue
Combined w/ Connective Tissue, Neural Tissue
Function of Skeletal Tissue
Moves Stabilizes Position of Skeleton, Digestive Respiration, Generates Heat, Internal Organ Protection
Cardiac Muscle
Only in the Heart, Can Branch, 1 Nucleus
Cardiac Muscle Function
Circulates blood, Maintains Blood Pressure, Heart Beats
Smooth Muscle
Short Spindle Shape
Smooth Muscle Function
Contraction Organs, Respiratory, Reproduction Secretions
Neural Tissue
Electrical Impulses
Neurons
Nerve cells
Neuroglia
Support Cells, Repair and Supply
Inflammation
First Response to Injury