© 2012 Pearson Education, Inc. Figure 3.18a

Nucleus ofsquamousepithelial cell

Basementmembrane

(a) Diagram: Simple squamous

Photomicrograph: Simplesquamous epithelium forming partof the alveolar (air sac) walls (185×).

Nuclei ofsquamousepithelialcells

Air sacs oflungs

© 2012 Pearson Education, Inc. Figure 3.18b

(b) Diagram: Simple cuboidal

Nucleus ofsimplecuboidalepithelialcell

Photomicrograph: Simple cuboidalepithelium in kidney tubules (250×).

Basementmembrane

Connectivetissue

Basementmembrane

Simplecuboidalepithelialcells

© 2012 Pearson Education, Inc. Figure 3.18c

Nucleus of simplecolumnar epithelial cell

Connectivetissue

Photomicrograph: Simple columnarepithelium of the small intestine(430×).

Basementmembrane

(c) Diagram: Simple columnar

Basementmembrane

Goblet cell

Simplecolumnarepithelialcell

© 2012 Pearson Education, Inc. Figure 3.18d

Pseudo-stratifiedepitheliallayer

Basementmembrane

(d) Diagram: Pseudostratified (ciliated) columnar

Photomicrograph: Pseudostratifiedciliated columnar epithelium liningthe human trachea (430×).

Pseudo-stratifiedepitheliallayer

BasementmembraneConnectivetissue

Cilia

© 2012 Pearson Education, Inc. Figure 3.18e

Stratifiedsquamousepithelium

Basementmembrane

(e) Diagram: Stratified squamous

Photomicrograph: Stratifiedsquamous epithelium lining ofthe esophagus (140×).

Connectivetissue

Stratifiedsquamousepithelium

Nuclei

Basementmembrane

© 2012 Pearson Education, Inc. Figure 3.18f

Transi-tionalepithelium

Basementmembrane

Photomicrograph: Transitional epithelium lining ofthe bladder, relaxed state (215×); surface roundedcells flatten and elongate when the bladder fillswith urine.(f) Diagram: Transitional

Connectivetissue

Transitionalepithelium

Basementmembrane

© 2012 Pearson Education, Inc. Figure 3.19a

Bone cells inlacunae

(a) Diagram: Bone Photomicrograph: Cross-sectional viewof ground bone (300×).

Lamella

Lacunae

Central canal

© 2012 Pearson Education, Inc. Figure 3.19b

Chondrocyte(Cartilage cell)

Lacunae

(b) Diagram: Hyaline cartilage Photomicrograph: Hyaline cartilagefrom the trachea (500×).

Matrix

Chondrocytein lacuna

© 2012 Pearson Education, Inc. Figure 3.19c

Chondro-cites inlacunae

Collagenfibers

(c) Diagram: Fibrocartilage Photomicrograph: Fibrocartilage of anintervertebral disc (110×).

Collagen fiber

Chondrocytesin lacunae

© 2012 Pearson Education, Inc. Figure 3.19d

Ligament

Tendon

Collagenfibers

Nuclei offibroblasts

(d) Diagram: Dense fibrous Photomicrograph: Dense fibrous connective tissuefrom a tendon (500×).

Nuclei offibroblasts

Collagenfibers

© 2012 Pearson Education, Inc. Figure 3.19e

Mucosaepithelium

Laminapropria

Fibers ofmatrix

Nuclei offibroblasts

(e) Diagram: Areolar Photomicrograph: Areolar connective tissue, asoft packaging tissue of the body (300×).

Fibroblastnuclei

Collagenfibers

Elasticfibers

© 2012 Pearson Education, Inc. Figure 3.19f

Nuclei offat cells

Vacuolecontainingfat droplet

(f) Diagram: Adipose Photomicrograph: Adipose tissue from thesubcutaneous layer beneath the skin (430×).

Vacuolecontainingfat droplet

Nuclei offat cells

© 2012 Pearson Education, Inc. Figure 3.19g

Spleen

Reticularcell

Reticularfibers

Bloodcell

(g) Diagram: Reticular Photomicrograph: Dark-staining networkof reticular connective tissue (430×).

White blood cell(lymphocyte)

Reticular fibers

© 2012 Pearson Education, Inc. Figure 3.19h

Neutrophil(white bloodcell)

Red bloodcells

Monocyte(white bloodcell)

Photomicrograph: Smear of human blood (1300×)(h) Diagram: Blood

Whiteblood cell

Redblood cells

Blood cellsin capillary

© 2012 Pearson Education, Inc. Figure 3.20a

Nuclei

Part of musclefiber

(a) Diagram: Skeletal muscle Photomicrograph: Skeletal muscle (approx. 300×).

© 2012 Pearson Education, Inc. Figure 3.20b

Intercalateddiscs

Nucleus

(b) Diagram: Cardiac muscle Photomicrograph: Cardiac muscle (430×).

© 2012 Pearson Education, Inc. Figure 3.20c

Smoothmuscle cell

Nuclei

(c) Diagram: Smooth muscle Photomicrograph: Sheet of smooth muscle (approx. 300×).

© 2012 Pearson Education, Inc. Figure 3.21

Brain

Spinalcord

Nuclei ofsupportingcells

Cell bodyof neuron

Neuronprocesses

Diagram: Nervous tissue Photomicrograph: Neurons (150×)

Nuclei ofsupportingcells

Cell bodyof neuron

Neuronprocesses