Revision images from epithilia to cartilage

epithelium

One or more layers of cells… One of the surfaces is facing a cavity or

the external environment…

The base “rests” on a connective

tissue 58

peritoneum 59

Mesenteric epithelium

68

Simple epithelium 69

Simple squamous 73

Alveoli

polmone 77

alveoli 78

Alveoli

alveoli 79

Mesothelium 81

Simple cuboidal epithelium

Epitelio cubico semplice

Sezione istologica di rene

umano. L’epitelio cubico

semplice riveste i dotti

collettori. Colorazione: Azan.

86

Simple cuboidal

Surface of crystalline lens 88

Crystallin lens Simple cuboidal epithelium 89

Simple columnar

oviduct The heigth of the

cell appreciably

exceed the width

This epithelium is

ciliated; cilia action

favour the

movement of

mucus though the

lumen helping

ovocite and

spermatids travel. Some cell secrete mucus 93

Epitelio cilindrico semplice 94

Simple columnar epithelium Gall bladder 95

Simple columnar epithelium

secreting duct

Preparati personali 97

G.Papaccio

Simple columnar epithlium with brush

border and goblet cells. Small intestine

(human) 99

Simple columnar epithlium with mucous

cells. Stomach

100

Simple columnar epithelium with brush

border 103

Simple columnar ciliated

Uterine tube (mouse) 105

Stratified squamous epithelium

Esofagus

115

116

117

Stratified squamous

epithelium not

keratinized(Vagina) 120

Stratified squamous epithelium not keratinized

(Vagina) 121

125

epidermis

stratum stratum stratum stratum

basale spinosum granulosum corneum 129

Stratified squamous

keratinized epithelium 131

Preparati personali 133

G.Papaccio

Stratum Spinosum 135

Stratum Granulosus 136

Stratum Lucidum/ corneum 137

Suqamous stratified epithelium

keratinized. Stratum Corneum 138

Keratin on epidermis surface 140

Cell of stratum basale

Less cytoplasm

• Extensive cell junctions

• Contain melanin from

• neighboring melanocytes 142

Cells of stratum spinusum 144

Cells of stratum granulosum

145

Keratonocyte of stratum corneum

147

stratified columnar epithelium

glands 161

trachea:

pseudostratified epithelium

All the cells are in

contact with basal

membrane … but only some of

them reach the apical

part. 164

Pseudastratified ciliated epithelium

166

Pseudostratified ciliated epitelium with

goblet cells

Preparati personali 167

G.Papaccio

Pseudostratified ciliated epitelium with

stereocilia (epididymis) 169

Pseudostratified ciliated epitelium with

stereocilia (epididymis) 170

Pseudostratified ciliated epitelium with

stereocilia (epididymis) 172

Transitional epithelium

(contracted)

Human bladder 175

Transitional epithelium

(contracted)

Preparati personali

176

G.Papaccio

Transitional epithelium

(expanded) Vescica urinaria di uomo

178

Simple tubular glands 27

Simple tubular glands with mucus-secreting cells

28

Simple tubular glands with mucus-secreting cells

Preparati personali

Created by G. Papaccio 30

G.Papaccio

Simple tubular glands

(cross-section)

Created by G. Papaccio 32

Simple coiled (or

glomerular)

tubular gland

(Sweat gland)

Created by G. Papaccio 34

Simple coiled (or glomerular) tubular gland–

sweat gland Preparati personali

Created by G. Papaccio 35

G.Papaccio

Simple branched tubular glands

Ex. Stomach