Human A&P Lab

Introduction and Histology

Loose (Areolar) Connective Tissue Function

Provides support and protection. Houses blood vessels supplying epithelium.

Loose (Areolar) Connective Tissue Location

Underlies epithelia throughout the body. Walls of hollow organs. Membranes lining body cavities.

Dense Irregular Connective Tissue Function

Provides strength and resistance to stress in all three planes.

Dense Irregular Connective Tissue Location

Dermis of skin. Around joints, organs.

Dense Regular Connective Tissue Function

Provides strength and resistance to stress in one plane.

Dense Regular Connective Tissue Location

Tendons, ligaments.

Dense Elastic Connective Tissue Function

Allows tissue to stretch and recoil.

Dense Elastic Connective Tissue Location

Large blood vessels.

Reticular Connective Tissue Function

Provides the internal structure of many organs. Supports smaller vessels and nerves.

Reticular Connective Tissue Location

Lymph nodes, spleen, bone marrow, liver. Around vessels and nerves.

Adipose Connective Tissue Function

Provides warmth, insulation, and energy storage.

Adipose Connective Tissue Location

Surrounds the heart and abdominal organs.

Hyaline Cartilage Function

Provides support and protection. Resists compression.

Hyaline Cartilage Location

Between bones in joints. Costal cartilages of ribs. Tip of the nose. Respiratory tract.

Fibrocartilage Function

Provides support and protection. Resists compression.

Fibrocartilage Location

Invertebral discs. Pubic symphysis. Meniscus.

Elastic Cartilage Function

Maintains shape and provides flexible support.

Elastic Cartilage Location

Ears. Epiglottis of larynx.

Compact Bone Function

Provides support, protection, leverage for movement, stores calcium.

Compact Bone Location

Bones

Blood Function

Transports nutrients, gases, wastes, immune cells.

Blood Location

Within blood vessels and chambers of the heart.

Simple Squamous Epithelium Function

Allows for transfer of gases, fluids, molecules.

Simple Squamous Epithelium Location

Air sacs of lungs. Inner lining of ventral body cavities and blood vessels. Kidney glomeruli.

Simple Cuboidal Epithelium Function

Secretion and absoprtion.

Simple Cuboidal Epithelium Location

Kidney tubules. Lower respiratory passages. Thyroid, salivary, and mammary glands.

Simple Columnar Epithelium Function

Secretion and absorption. Propulsion of egg through uterine tube.

Simple Columnar Epithelium Location

Digestive tract from stomach to anus. Uterine tube. Gallbladder.

Ciliated Pseudostratified Columnar Epithelium Function

Protection, secretion using cilia (ciliary motion) and absorption.

Ciliated Pseudostratified Columnar Epithelium Location

Nasal Cavity. Upper respiratory passages.

Nonkeratinized Stratified Squamous Epithelium Function

Provides layers and layers of protection from mechanical stresses and microorganisms.

Nonkeratinized Stratified Squamous Epithelium Location

Mouth, pharynx, superior larynx, esophagus. Vagina. Anal canal.Found in areas subject to abrasion and friction.

Keratinized Stratified Squamous Epithelium Function

Prevents water loss. Provides layers and layers of protection from mechanical stresses and microorganisms.

Keratinized Stratified Squamous Epithelium Location

Epidermis

Stratified Cuboidal Epithelium Function

Some secretion and absorption.

Stratified Cuboidal Epithelium Location

Ducts of certain glands including sweat glands and mammary glands.

Stratified Columnar Epithelium Function

Protection, some secretion and absorption.

Stratified Columnar Epithelum Location

Parts of male urethra. Ducts of certain glands including sweat glands and mammary glands.

Transitional Epithelium Function

Lines urinary tract and allows bladder to expand/shrink, provides protection.

Transitional Epithelium Location

Urinary bladder. Ureter. Urethra.