Vertebrate Histology Lab Exam 1

Slide 1

• Simple Squamous Epithelium

• Alveoli

• Squamous Epithelial Cells

• Blood Vessel

Slide 2

• Simple Cuboidal Epithelium

• Tubules of kidneys

• Lumen of Kidney Tubule

• Cuboidal Epithelial Cells

• Basement Membrane

Slide 3

• Simple Columnar Epithelium

• Duodenum of small intestine

• Brush border (microvilli)

• Connective Tissue

• Nuclei

• Goblet Cell

• Columnar Cells

Slide 4

• Keratinized Stratified Squamous Epithelium

• Epidermis

• Keratin Layer

• Dead epithelial cells

• Living epithelial cells

• Basement membrane

• Connective Tissue

Slide 5

• Nonkeratinized Stratified Squamous Epithelium

• Near cervix and walls of vagina

• Living epithelial cells

• Basement membrane

• Connective tissue

Slide 6

• Stratified Cuboidal Epithelium

• Sweat Glands

• Blood capillary

• Connective Tissue

• Duct Lumen

• Stratified cuboidal epithelial cells

  • Basement membrane

Slide 7

• Stratified Columnar Epithelium

• Some glands and male urethra

• Goblet cells

  • Columnar cells w/ large nucleus

Slide 8

• Transitional Epithelium (Urothelium)

• Kidneys and ureters

• Basement membrane

• Connective tissue

• Binucleate umbrella cell

  • Umbrella cells

Slide 9

• Pseudostratified Columnar Epithelium

• Trachea

• Cilia

• Basement membrane

• Basal cells

  • Goblet cells

Slide 10

• Exocrine Gland Duct System

  • Sweat Gland

• Secretory Cells are cuboidal

• Duct lined by epithelium

Slide 11

• Epidermis

• Stratum Corneum

  • Exfoliating dead cells

  • Sweat pore

  • Dead keratinocytes

• Stratum Lucidum

• Stratum Granulosum

  • Living Keratinocytes

• Stratum Spinosum

  • Dendritic Cells

  • Tight Junctions

  • Tactile Cell

• Stratum Basale

  • Stem cell in mitosis

  • Melanocyte

  • Melanized Keratinocytes

• Dermis

  • Dermal blood vessel

  • Tactile nerve fiber

  • Dermal papilla

Slide 12

• Dermis

• Dermal Papilla

• Papillary Layer

  • Reticular Layer

Slide 13

• Hair and Hair follicle

• Sebaceous Gland

• Arrector Pili Muscle

  • Hair in Hair follicle

Slide 14

• Papilla of the Hair

  • Subcutaneous Layer

Slide 15

Sweat Glands

Slide 16

• Mesenchyme Tissue

• Mesenchyme Cells

• Fibers

Slide 17

• Areolar Connective Tissue

  • Under mucous membranes

• Ground Substance

• Elastic fibers

• Collagenous Fibers

• Fibroblasts

Slide 18

• Dense Regular Connective Tissue

  • Tendons & Ligaments

• Collagen Fibers

• Ground Substance

• Fibroblast Nuclei

Slide 19

• Dense Irregular Connective Tissue

• Deep Layers of Skin and heart chambers

• Bundles of collagen fibers

• Gland ducts

• Fibroblast nuclei

• Ground substance

Slide 20

• Reticular Tissue

• Lymphatic Organs

• Leukocytes

• Reticular Fibers

Slide 21

• White Adipose Tissue

• Subcutaneous

• Blood Vessel

• Adipocyte nuclei

• Lipid in adipocyte

Slide 22

• Brown Adipose Tissue

• Brown adipocytes

Slide 23

• Hyaline Cartilage

• Ends of long bones

• Matrix

• Cell Nest

• Perichondrium

• Lacunae

• Chondrocyte nuclei

Slide 24

• Elastic Cartilage

• Ears, nose, epiglottis

• Perichondrium

• Elastic Fibers

• Lacunae

• Chondrocytes

Slide 25

• Fibrocartilage

• Pubic Symphysis and between vertebrae

• Collagen Fibers

• Chondrocytes

Slide 26

• Compact Bone

• Covers all bones

• Lacunae

• Canaliculi

• Concentric lamellae of osteon

• Central Canal

• Osteon

Slide 27

• Spongy Bone

• Within bones

• Trabeculae

Slide 28

• Epiphyseal Plate

• In metaphysis

• Multiplying chondrocytes

• Enlarging Chondrocytes

• Breakdown of lacunae

• Calcifying cartilage

• Bone marrow

• Osteoblasts

• Osteocytes

• Trabeculae of spongy bone

Slide 29

• Epiphyseal Plate Zones

1. Zone of reserve cartilage

   1. resting hyaline cartilage

1. Zone of cell proliferation

   1. chondrocytes multiplying & lining up in rows of flattened lacunae

2. Zone of cell hypertrophy

   1. cessation of mitosis; enlargement of chondrocytes & thinning of lacuna walls

3. Zone of calcification

   1. temporary calcification of cartilage matrix between columns of lacunae

4. Zone of bone deposition

   1. breakdown of lacuna walls, leaving open channels

   2. death of chondrocytes

   3. bone deposition forms trabeculae of spongy bone

Slide 30

• Human nerve tissue

• Neuroglial cell

• Neuron

Slide 31

• Astrocytes

• Oligodendrocytes

Slide 32

• Ependymal Cells

Slide 33

• Satellite Cells

Slide 34

• Multipolar Neuron

• Cell body with nucleus

• Axon

• Dendrite

• Glial Cell

Slide 35

• Cranial Meninges

• Dura Mater

• Pia Mater

• Arachnoid Layer

Slide 36

• Subdural Space (1)

• Subarachnoid Space (2)

Slide 37

• Cross section of human spinal cord

• Dura mater (1)

• Pia mater (2)

• Subdural Space (3)

• White Columns (44

Slide 38

• cross section of human spinal cord

• Gray matter (1)

• Gray commissure (2)

• Central Canal (3)

Slide 39

• Nerve structure

• Epineurium (1)

• Perineurium (2)

• Fascicles (3)

Slide 40

• Myelin Sheath

• Nerve Axon

Slide 41

• Cerebellum cross section

• Gray Matter

• Arbor vitae (white matter)

Slide 42

• Cerebrum cross section

• Gyri (folds)

Slide 43

• Skeletal Muscle Tissue

• Striations

• Nuclei

• Muscle fiber

Slide 44

• Skeletal muscle tissue structure

• Epimysium

• Perimysium

• Fascicles

Slide 45

• Cardiac Muscle Tissue

• Intercalated discs

• Striations

• Glycogen

Slide 46

• Smooth Muscle Tissue

• Nuclei

• Muscle Cells