Histology lab 6: Feb. 22–23, 2005

Respiratory and Digestive System I

collection slide # label description
Respiratory System
Integ/Respir
4847
Nasal epithelium:mammal, sec
respiratory and gastatory epithelium
Integ/Respir
4851 or 3275
Epiglottis: l.s.
stratified squamous epithelium of mucous type
Integ/Respir
4855
Larynx frontal: sec
ventricle, vocal (inferior) folds, vocalis muscle, vocal ligament, false Ê (vestibular, superior or pseudo-) vocal folds, stratified squamous epithelium mucous type; bronchial associated lymphoid tissue (BALT = MALT); laryngeal cartilage
Integ/Respir
4891 or 6578
Lung elastic fibers: sec
intrapulmonary respiratory or bronchial tree, pulmonary circulation (arteries and veins), adventitia, serosa, mesothelium (pleura): 
bronchus (lobar or secondary followed by segmental or tertiary): hyaline cartilage (submucosa), serous glands and ducts, smooth muscle layer, lamina propria, elastic fibers, epithelium increasingly high columnar with less pseudostratified and fewer goblet cells; mucosal folds
bronchiole (similar but no cartilage), smooth muscle layer, ciliated epithelium low columnar with decreasing numbers of goblet cells; mucosal folds, mast cells
terminal bronchiole: low columnar?cuboidal, ciliated, no goblet cells, mucosal folds, smooth muscle layer still surrounds lamina propria, adventitia
respiratory bronchiole: wall interrupted by alveoli; non-cilliated bronchiolar epithelial (Clara) cells
alveolar duct: knobs of smooth muscle atop septa line duct; interrupted by adjacent alveoli
alveolar sac: alveoli in cul-de-sac
alveoli: septa (interalveolar walls), type I (alveolar lining cells [squamous]) and type II (surfactant cells [cuboidal]) pneumocytes; basement membrane fused with that of capillary endothelium; dust cells (alveolar macrophages), alveolar pores (difficult to find)
Integ/Respir
8670
Lung primate: sec
(same as above)
Digestive System I: Oral Tissues & Structures

Teeth
small slide box 2151 tooth development (set 4 slides) Ê(see demonstration)

4423 tooth development oral epithelium, dental lamina/bud, mesenchyme, bony crypt, alveolar bone

4426 tooth development oral epithelium, dental lamina/cap, mesenchyme, bony crypt, alveolar bone

4432 tooth development oral epithelium, dental lamina/bell, succedaneous lamina, dentine, enamel, odontoblasts, ameloblasts, stellate reticulum, dentinal tubules, predentine, mesenchyme, bony crypt, alveolar bone, dental papilla,

4444 tooth development crown, root, dentine, enamel, odontoblasts, ameloblasts, dentine tubules, predentine,Ê cementum, alveolar bone, peridontal ligament, gingiva

Palate
CT 3283 Membranous bone fetal skull: sec stratified squamous epithelium of mucous type; mesenchyme, also tooth rudiments (different stages of development) in jaws of fetal skulls, tongue, olfactory versus respiratory epithelium

Tongue
Dig. Sys 2700 Foliate papillae rabbit: sec stratified squamous epithelium mucous type, lamina propria, taste buds,
Dig. Sys
4458
Taste buds tongue rabbit: v.s.
stratified squamous epithelium mucous type, lamina propria, taste buds: sustentacular cells, taste pore, microvilli in pore, gustatory (sensory) cells, basal cells
Dig. Sys 4466 VallateÊpapillae: v.s also known as circumvallate papilla: stratified squamous epithelium mucous type, lamina propria, taste buds, furrow, serous glands (von Ebner's) and ducts; mucous salivary glands and ducts, skeletal muscle in bundles and layers

Major Salivary Glands
Dig. Sys 4474 Parotid gland: sec serous gland; acini, myoepithelial (basket) cells, lobules, intralobular ducts: intercalated ducts, striated ducts, interlobular ducts, interlobar duct, stratified cuboidal epithelium
Dig. Sys 4478 Sublingual gland: sec mixed serous/mucous, serous demilunes, striated ducts, interlobular ducts, interlobar duct, stratified cuboidal epithelium, 
Dig. Sys 8552
Submaxillary gland primate: sec
(also known as submandibular) mixed serous/mucous gland,Êserous demilunes, striated ducts, interlobular ducts, interlobar duct, stratified cuboidal epithelium, 

Esophagus
Dig. Sys 4499 Esophagus composite: sec stratified squamoust epithelium mucous types; esophageal cardiac glands (difficult to find); lamina propria, lymphatic infiltration; muscularis mucosae: smooth muscle; submucosa, submucosal esophageal glands and ducts; adventitia compare muscularis externa in three sections: smooth muscle versus skeletal muscle

Lip
Integ/Respir 8475 Lip primate: sec epidermal surface: epidermis, hair follicles, arrector pili, sebaceous glands, dermis, sweat glands and ducts
border (transitional zone)
labial surface: stratified squamous epithelium mucous type, lamina propria, mucous salivary glands and ducts

Last Updated: Nov. 22, 2004
E-Mail Address: sshostak+@pitt.edu