Core tissue histology including epithelium, connective tissue, and organ-specific microanatomy for USMLE Step 1.
38 cards · basic cards · AI-written, checked twice. Edit anything.
- What type of epithelium lines the alveoli for gas exchange?
- Simple squamous epithelium
- What type of epithelium lines the kidney tubules?
- Simple cuboidal epithelium
- What type of epithelium lines most of the small intestine?
- Simple columnar epithelium
- What type of epithelium lines the trachea and most of the respiratory tract?
- Pseudostratified ciliated columnar epithelium
- What type of epithelium lines the esophagus?
- Stratified squamous nonkeratinized epithelium
- What type of epithelium makes up the epidermis?
- Stratified squamous keratinized epithelium
- What type of epithelium lines the urinary bladder?
- Transitional epithelium (urothelium)
- What is the main function of goblet cells?
- Secrete mucus
- What is the function of microvilli on absorptive epithelial cells?
- Increase apical surface area for absorption
- What is the function of tight junctions between epithelial cells?
- Seal the space between cells and block paracellular movement of substances
- What is the function of desmosomes?
- Mechanically attach adjacent cells to resist shearing forces
- What is the main structural protein of the basement membrane?
- Type IV collagen
- What is the main function of fibroblasts?
- Produce and maintain extracellular matrix components, including collagen
- Where is type I collagen mainly found?
- Bone, tendon, and skin
- Where is type II collagen mainly found?
- Cartilage