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Epithelium Review Sheet Key: Know the anatomical and histological names for the following bolded structures, including modifications; assume that you will be required to find the structures indicated by * on your own slides. ***This list is not guaranteed to be exhaustive, and only includes terms from this unit. While we will not focus on quiz information from previous weeks, knowledge of previous material may be useful*** Focus on epithelium histology, but keep in mind all of the following terms. Be sure to give attention to epithelial modifications as outlined in your lab manual. Nomenclature Be able to differentiate epithelium based on the following criteria Quantity of layers (simple, pseudostratified, stratified) Shape of the cell (squamous, cuboidal, columnar, transitional) Be able to recognize and differentiate among the following free surface modifications and know where you would find them. Microvilli Stereocilia Cilia Specialized Secreted Products (keratin, enamel) Glycocalyx (not included when naming cells) Renal Epithelium Cortex Proximal convoluted tubule (PCT)* Distal convoluted tubule (DCT)* Glomerulus* Parietal layer of Bowman’s capsule* Visceral layer of Bowman’s capsule* Macula densa* Medulla Collecting duct* Loop of Henle* Peritubular capillaries* Endothelium Vein and Artery Endothelium* Tunica intima Tunica media Tunica adventitia Respiratory Tract Trachea Tracheal Epithelium* Hyaline cartilage (c-rings) Subtracheal gland Bronchus Bronchus epithelium* Hyaline cartilage (cartilaginous plates) Bronchiole and Terminal Bronchiole Bronchiole epithelium* Terminal bronchiole epithelium* Respiratory bronchiole Lung Alveoli* Skin Know the following layers and something unique to each layer Skin* Stratum corneum* Stratum lucidum* Stratum granulosum* Stratum spinosum* Tonofibrils* Stratum germinatimum (basale)* Dermal Papillae* Cornea Outer epithelial layer Connective tissue layer Inner epithelial layer Cochlea Vestibular membrane* Tectorial membrane* Basilar membrane* Hair cells Scala tympani Scala media (cochlear duct) Scala vestibuli GI Tract Esophagus Esophageal epithelium* Subesophageal glands Muscularis externa layers Stomach Stomach epithelium* Parietal cells Chief cells Small Intestine Mucosa Submucosa Muscularis externa Small intestine epithelium* Goblet cells Appendix Appendix epithelium* Lymph Nodule Goblet cell Trash in the lumen Large Intestine Muscularis externa Submucosa Mucosa Large intestine epithelium* Goblet cells Female Reproductive Tract Oviduct Lamina propria Oviduct epithelium* Uterus Uterus epithelium* Stratum functionalis Stratum basalis Myometrium Uterine gland Vagina Vaginal epithelium* Lamina propria Male Reproductive Tract Epididymis Epididymis epithelium* Sperm (within lumen) Stereocilia* Vas Deferens Vas deferens epithelium* Muscularis externa Urinary Ureter Ureter epithelium* Submucosa Muscularis externa Urethra Urethra epithelium*