Classifications of Epithelia Figure 4.2
Simple Epithelia Simple epithelia Simple squamous epithelium Found in lungs (deep region), kidney glomerulus, and blood vessels Simple cuboidal epithelium Found in kidney tubules, hepatocytes (liver), and thyroid follicles Simple columnar epithelium Found in stomach and intestines (areas that secrete substances); Identify goblet cell Pseudostratified epithelium Found in trachea and bronchi (not the deep area of lungs); Identify goblet cell and cilia
Simple Squamous Epithelium Figure 4.3a Found in lungs (deep region)
Simple Squamous Epithelium Found in kidney glomerulus
Simple Squamous Epithelium Found in kidney glomerulus
Found in blood vessels
Simple Cuboidal Epithelium Figure 4.3b Found in kidney tubules
Found in hepatocytes (liver)
Found in thyroid follicles
Simple Cuboidal Epithelium Thyroid Follicle Figure 25.7c Found in thyroid follicles
Simple Columnar Epithelium Figure 4.3c Found in stomach and intestines
Simple Columnar Epithelium Found in stomach and intestines
Goblet cells (secrete mucous)
GOBLET CELL Goblet cell (secretes mucous)
Pseudostratified Columnar Epithelium (Ciliated) Figure 4.3d Found in trachea and bronchi Goblet cells Cilia
Pseudo Stratified Columnar Epithelium Found in trachea and bronchi
Pseudostratified Columnar Epithelium (Ciliated) Found in trachea and bronchi
Stratified Epithelia Stratified epithelia Stratified squamous epithelia Non-keratinized stratified squamous epithelium Found in oral cavity, esophagus, anus, vagina (moist skin areas) Keratinized stratified squamous epithelium Found in dry skin areas (epidermis) Identify stratum corneum, stratum granulosum, stratum lucidum, stratum spinosum, stratum basale, dermal papilla, and interpapillary peg
Stratified Epithelia Stratified epithelia Stratified cuboidal epithelium Found in sweat gland Stratified columnar epithelium Found in male urethra Transitional epithelium Found in urinary bladder and ureter
Stratified Squamous Epithelium (non-keratinized) Figure 4.3e Found in oral cavity, esophagus, anus, vagina
Stratified Squamous Epithelium (non-keratinized) Found in oral cavity, esophagus, anus, vagina
Stratified Squamous Epithelium (non-keratinized) Found in oral cavity, esophagus, anus, vagina
Stratified Squamous Epithelium (non-keratinized) Found in oral cavity, esophagus, anus, vagina
Stratified Squamous Epithelium (keratinized) Found in dry skin
Stratified Squamous Epithelium (keratinized) Found in dry skin
Stratified Squamous Epithelium (keratinized) Found in dry skin
Stratified Squamous Epithelium (keratinized) Found in dry skin
stratum corneum, stratum granulosum, stratum lucidum, stratum spinosum, stratum basale, dermal papilla, and interpapillary peg
Epidermal Cells and Layers of the Epidermis Figure 5.3
Stratified Cuboidal Epithelium Figure 4.3f Found in sweat glands
Stratified Cuboidal Epithelium Found in sweat glands
Stratified Cuboidal Epithelium Found in Sweat Glands
Stratified Cuboidal Epithelium Found in sweat glands
Stratified Columnar Epithelium Figure 4.3g Found in male urethra
Stratified Columnar Epithelium Found in male urethra
Transitional Epithelium Figure 4.3h Found in urinary bladder and ureter
Transitional Epithelium Found in urinary bladder and ureter
Transitional Epithelium Found in urinary bladder and ureter
Connective Tissue Proper Adipose tissue (fat) Identify adipocyte, nucleus, lipid droplet Reticular connective tissue Found in lymph node and spleen Identify reticular fibers
Connective Tissue Proper Loose (areolar) connective tissue Found in upper dermis and visceral (organ) serous (watery secretion) membranes Identify fibroblasts (dark nuclei), collagen fibers (wide, pale), elastic fibers (dark, thin) Dense regular connective tissue Found in tendons and ligaments Identify collagen bundles, fibroblast nuclei Dense irregular connective tissue Found in lower dermis
Adipose Tissue Figure 4.12c Identify adipocyte, nucleus, lipid droplet
Adipose Tissue Identify adipocyte, nucleus, lipid droplet
Reticular Connective Tissue Figure 4.12d Identify reticular fibers Found in lymph node and spleen
Reticular Connective Tissue Found in lymph node and spleen Identify reticular fibers
Loose (Areolar) Connective Tissue Figure 4.12b Found in upper dermis and visceral serous membranes Identify fibroblasts (dark nuclei) collagen fibers (wide, pale) elastic fibers (dark, thin)
Loose (Areolar) Connective Tissue Found in upper dermis and visceral serous membranes Identify fibroblasts (dark nuclei) collagen fibers (wide, pale) elastic fibers (dark, thin)
Dense Regular Connective Tissue Figure 4.12f Found in tendons and ligaments Identify collagen bundles, fibroblast nuclei
Dense Regular Connective Tissue Found in tendons and ligaments Identify collagen bundles, fibroblast nuclei
Dense Regular Connective Tissue Found in tendons and ligaments Identify collagen bundles, fibroblast nuclei
Dense Regular Connective Tissue Found in tendons and ligaments Identify collagen bundles, fibroblast nuclei
Dense Irregular Connective Tissue Figure 4.12e Found in lower dermis
Dense Irregular Connective Tissue Found in lower dermis
Dense Irregular Connective Tissue Found in lower dermis
Dense Irregular Connective Tissue Found in lower dermis
Dense Irregular Connective Tissue Dense Irregular Lower dermis Upper dermis Loose
Special Connective Tissue Cartilages Hyaline cartilage Found in most joints, trachea, nasal septum, costal cartilage, epiphyseal (growth) plates Identify chondrocytes, lacunae Elastic cartilage Found in outer ear and epiglottis Identify chondrocytes, lacunae, elastic fibers Fibrocartilage Found in vertebral discs, meniscus of knee joint, pubic symphysis Identify chondrocytes
Special Connective Tissue Bone tissues Compact bone Found in diaphysis (shaft) of long bones Identify osteon, central canal, lamellae, canaliculi, osteocytes Cancellous (spongy) bone Found in epiphysis (ends) of long bones Identify trabeculae and bone marrow Blood Identify red blood cell, white blood cell, platelet (thrombocyte)
Hyaline Cartilage Figure 4.12g Found in most joints, trachea, nasal septum, costal cartilage, epiphyseal (growth) plates Identify chondrocytes, lacunae
Hyaline Cartilage Found in most joints, trachea, nasal septum, costal cartilage, epiphyseal (growth) plates Identify chondrocytes, lacunae
Hyaline Cartilage Found in most joints, trachea, nasal septum, costal cartilage, epiphyseal (growth) plates Identify chondrocytes, lacunae
Elastic Cartilage Figure 4.12h Found in the Ear and epiglottis Identify chondrocytes, lacunae, elastic fibers
Elastic Cartilage Found in the Ear and epiglottis Identify chondrocytes, lacunae, elastic fibers
Figure 4.12i Fibrocartilage Identify chondrocytes Found in vertebral discs, meniscus of knee joint, pubic symphysis
Fibrocartilage Identify chondrocytes Found in vertebral discs, meniscus of knee joint, pubic symphysis
Fibrocartilage Identify chondrocytes Found in vertebral discs, meniscus of knee joint, pubic symphysis
Spongy Bone
Compact Bone
Figure 4.12j Found in diaphysis (shaft) of long bones Identify osteon, central canal, lamellae, canaliculi, osteocytes
Compact Bone Found in diaphysis (shaft) of long bones Identify osteon, central canal, lamellae, canaliculi, osteocytes
Compact Bone Found in diaphysis (shaft) of long bones Identify osteon, central canal, lamellae, canaliculi, osteocytes
Compact Bone Found in diaphysis (shaft) of long bones Identify osteon, central canal, lamellae, canaliculi, osteocytes
Spongy Bone Found in epiphysis (ends) of long bones Identify trabeculae and bone marrow
Spongy Bone Found in epiphysis (ends) of long bones Identify trabeculae and bone marrow
Spongy Bone Found in epiphysis (ends) of long bones Identify trabeculae and bone marrow
Blood Tissue Figure 4.12k Identify red blood cell, white blood cell, platelet (thrombocyte) RBC WBC Platelet