Histology lab 1: Jan 11–12, 2005

Introduction: Interpretation of Histological Sections

Epithelia: Surface and Glandular

collection  slide #  label description
Surface Epithelia
Epithelia/Endocrine/Muscle  3643  Frog skin: w.m. surface view: pavement epithelium with terminal bars; simple epithelium viewed from surface; terminal bars
Epithelia/Endocrine/Muscle  3030 Simple columnar epithelium: sec brush border, terminal bars, also note simple squamous (mesothelium and endothelium), basement membrane
Epithelia/Endocrine/Muscle  3032 or 3034 Ciliated columnar epithelium: sec (Mallory) also note simple squamous (endothelium), basement membrane
Epithelia/Endocrine/Muscle  3036 Stratified squamous epithelium: sec also note simple squamous (endothelium), basement membrane
Epithelia/Endocrine/Muscle  3039 Transitional epithelium: sec dome-shaped distal cells (some binuclear), also note simple squamous (endothelium), basement membrane
Dig. Sys 4526, 4530 or 4534 small intestine: various parts simple squamous epithelium (mesothelium); simple columnar epithelium (absorptive cells with brush border, terminal bars, goblet cells), basement membrane
Integum/Respiratory 4847 Nasal epithelium: mammal: sec pseudostratified, ciliated columnar epithelium
Integum/Respiratory 8280 Meissner's Corpuscles Prim. sec thick (glabrous), stratified squamous (epidermis) of keratinizing type. 
Integum/Respiratory 8475 Lip primate: sec hairy side: stratified squamous (epidermis) keratinizing type; vestibular side: stratified squamous mucous type (nonkeratinizing),
Integum/Respiratory 8685 Eyelid primate: sec stratified squamous (epidermis) keratinizing type; stratified cuboidal on ocular conjunctiva
 Glandular Epithelia (secretory: parenchyma and ducts )

endocrine (ductless)
Urogenital/Reproductive  4305 Adrenal gland cortical epithelium in knots and chords; medullary: endothelium lining lg. veins
Urogenital/Reproductive  4333 Hypophysis: sag. sec adenohypophyseal parenchyma, endothelium lining blood vessels
Urogenital/Reproductive 4300 Thyroid Parathyroid Mammal: sec thyroid:  cuboidal follicular, parafollicular clear cells; parathyroid: diffuse parenchyma

excretory (metabolic waste products)
Urogenital/Reproductive  5230 Kidney entire: m.l.s nephrons, collecting tubes, calyx: squamous, cuboidal, striated (brush) border, transitional; also mesothelium and endothelium
Integument/Respiratory or  7015, 7018, or 7034 skin human (various): sec simple (tubular), coiled sweat glands (merocrine): simple cuboidal epithelium; myoepithelial cells; ducts stratified cuboidal epithelium; sebaceous gland (holocrine); hair follicle (holocrine)

mixed endocrine (knots of cuboidal epithelium) & exocrine (compound tubuloacinar)
Digestive System 4600  Pancreas: sec. different cells: endocrine: islets:
exocrine: compound tubuloacinar ; acini: cuboidal, serous-type epithelium; (excretory); ducts: simple (intralobular) and stratified cuboidal epithelium (interlobular)
Digestive System 4566 Liver pig. sec trabeculae (plates): cuboidal epithelium; bile ducts: cuboidal epithelium; also mesothelium, endothelium
Digestive System  4508 Stomach composite: sec simple (duct), branched tubular gastric glands: cuboidal/columnar epithelium (various types), enteroendocrine cells (not specifically stained); surface, pits: columnar epithelium mucous type; mesothelium
Digestive System 4526 Duodenum simple (duct), tubular intestinal glands; columnar cells of various types (simple, absorptive cells on surface), goblet cells (unicellular glands); enteroendocrine cells (not specifically stained); ; also mesothelium, endothelium
Digestive System 4542 Colon: c.s. simple (duct), tubular intestinal glands; columnar cells, goblet cells (unicellular glands); enteroendocrine cells (not specifically stained); ; also mesothelium, endothelium

exocrine
Digestive System 4474, 4478 or 8552 Parotid, Salivary gland (sublingual or submaxillary) compound tubuloacinar; acini: cuboidal, serous, mixed, mucous with serous demilunes, and mucous glands; branched ducts with simple (intralobular) and stratified cuboidal epithelium (large interlobular)
Integument/Respiratory or Urogenital/Reproductive  8678, 8679 or 5051 Nipple Primate: L.S. Mammary gland active: sec compound tubuloacinar (alveolar) mammary gland; coiled tubular apocrine sweat glands: simple cuboidal epithelium

send me e-mail: sshostak@pitt.edu
last revised: Dec. 28, 2004