Simple Squamous (1)

Function: Allows transport via diffusion across membranes in lungs and capillaries 

Found in: makes up capillaries, alveoli in lungs, secrets fluid, lines cardiovascular system, covers organs 

*This is a glomerular capsule in the kidney*

Simple Squamous (2)

Function: Allows transport across membranes in lungs and capillaries 

Found in: makes up capillaries, alveoli, secrets fluid, lines cardiovascular system, covers organs 

Simple Cuboidal

Functions: Secretion and absorption

Locations: Forms tubules, glands, and exocrine glands, ovary surface (bounces egg along)

Definitions: 

- Red Dot: Thyroid Colloid

- Red Line: Simple cuboidal epithelium

* They have a basement membrane and Free surface called the Lumen

Simple Columnar

Functions: absorbs of digestive end products, secrets of mucus, enzymes, and other substances. Cilliary action. 

Locations: Lines digestive tract, uterine walls. 

*Goblet cells, Microvilli*

Stratified Squamous

Functions: Protects from abrasion

Locations: Epidermis of skin, esophagus, mouth, vagina

*Red dot- Surface squamous cells

*Green dot- Large basal cells

*Blue Dot- Connective tissue fibroblasts

Stratified Squamous

Pseudo-stratified Columnar

Functions: Secretion, Cilliary Action

Locations: Upper respiratory tract, sperm ducts

*Goblet cells and Cillia*

*Red dot- Cillia

*Green dot- Goblet cell

*Blue Dot- Basement Membrane

Transitional Epithelium

Function: Stretches and allows distention

Location: Bladder, uterus, and urethra

*Red Dot- Basement Membrane

*Blue Dot- Connective Tissue

Loose Connective- Areolar

Functions: Wraps and cushions organs, tissue fluid, inflammation 

Locations: under epithelial of body, packages organs, surrounds capillaries.

*Red- Fibroblasts

*Blue- Collagenous Fibers

*Green- Elastic Fibers

*Purple- Lymphocyte

*Yellow- Mast Cell

Loose Connective- Areolar (2)

*See first card*

Loose Connective- Reticular

Functions: Soft internal skeleton, supports other cell types

Locations: Lymph nodes, bone marrow, spleen

*Reticular fibers and mast cells and white blood cells*

*Fubroblasts- Reticular cells*

Loose Connective- Adipose

Functions: Reserve food, insulation, supports and protects organs

Locations: under skin, abdomen, breasts

*Red- Adipose Cells

*Green- Nuclei

*Blue- Cytoplasmic Membrane

Dense Connective- Regular

Functions: Attaches Muscles to Bone or Bone to Bone, strong in one direction

Locations: Tendons and Ligaments

*Collagen fibers surround Nuclei of fibroblasts*

Dense Connective- Irregular

Functions: Less strength in every direction 

Locations:Dermis of skin, Capsule of joints and organs

*Collagen Fibers and Nuclei of Fibroblasts*

Hyaline Cartilage

Hyaline Cartillage

Function: Supports and reinforces

Locations: Covers ends of long bones, rib cage, nose, trachea, and larynx

*Red- Perichondrium

*Blue- Chondrocyte

*Green- Lacunae

*Purple- Matrix

Elastic Cartilage

Function: Flexibility

Locations: Ear

*Similar to Hyaline with more elastic fibers in matrix*

Fibrocartilage

Function: Absorbs shock

Locations: vertebrae discs, knee joint

*Similar to hyaline but with more collagen fibers*

Bone

*Red- Osteocytes in Lacunae

*Blue- Osteons

*Purple- Central Canal

*Yellow- Lamellae

Skeletal Muscle

*Red- Muscle Fiber

*Blue- Nuclei

*Green- Striations

Skeletal Muscle

*Red- Muscle Fiber

*Blue- Nuclei

*Green- Striations