2 Epithelial tissue, Lecture notes of Cellular and Tissue Engineering

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2 Epithelial tissue

Cytoplasm of simple epithelium (endothelium) of a capillary with irregular evaginations.

Lumen of capillary

Nucleus

Simple , dog. silver impregnation; x 400.

Simple squamous epithelium ( cornea

surface view), , horse; x 9000.

Blood capillary (transverse section), x 3000.

Simple epithelium

Cell boundary impregnated with silver

Cell boundary interlocking with adjacent cell

Cytoplasm

Nucleus (location indicated by light area)

squamous epithelium (surface view), peritoneum Flat mount,

Cell boundary with short microvilli

Cell surface with short microvilli

Individual, short microvillus

Accumulation of small microvilli near cellular pore

Partial section of cytoplasm of fibrocyte

Nucleus of adjacent fibrocyte

of capillary

Basal lamina

dog;

Oblique section through smooth muscle cells

Nucleus of simple squamous epithelial cell with flattened cytoplasm

Cytoplasm of simple squamous epithelial cell

Loose

Simple squamous epithelium parietal peritoneum lining urinary bladder, dog.

Goldner's Masson trichrome stain,.

Simple squamous epithelium, peritoneum, pig. Goldner's Masson trichrome stain x 550.

Simple squamous epithelium, mesentery, calf. H.E. stain, x 440.

Simple squamous epithelium with flattened nucleus and cytoplasm

Capillary with erythrocytes

Loose connective tissue with fibrocytes

Collagen fibre bundle

x 480

connective tissue

Nucleus of connective tissue cell (fibrocyte)

Simple squamous epithelium

Loose connective tissue

Lumen of capillary

Nucleus of endothelium of capillary

Simple epithelium

2 Epithelial tissue

2 Epithelial tissue

Second "row" of nuclei of pseudostratified epithelium

Spermatozoa

Basal cells in pseudostratified epithelium

Basal epithelial cells Loose

section

Pseudostratified epithelium, haematoxylin stain, x120.

Pseudostratified epithelium, epididymis, x320.

Pseudostratified

Simple epithelium

Stereocilia

Lumen

epididymis, ox. Iron

Spermatozoa

Stereocilia

Nuclear fragments and detaching cells Second "row" of nuclei in pseudostratified epithelium

connective tissue

ox. Iron haematoxylin stain,

Sterocilia (oblique of epithelium)

Sterocilia (deformed)

Second "row" of nuclei in pseudostratified epithelium

Basal row of nuclei in pseudostratified epithelium

Loose connective tissue

Cytoplasm

epithelium, epididymis, ox. Iron haematoxylin stain, x400.