Body membranes

Skin

Epidermis (stratified squamous epithelium) with layers: stratum basale (deepest), stratum spinosum (thick purple layer), stratum granulosum/stratum lucidum (these 2 layers form the thin dark purple layer) stratum corneum (shown sloughing off)

Dermis

Papillary & reticular layers, hair follicles and shafts are seen as well as sebaceous glands, arrector pili muscle, loose connective tissue

Hypodermis

Seen near bottom of slide, noted by appearance of whitier adipose tissue

Mucosa of the trachea

Pseudostratified ciliated columnar epithelium (apical - face the tracheal interior) and lamina propria (basal); includes seromucous glands and hyaline cartilage of the trachea.

Mucosa of the large intestine

Simple columnar epithelium (apical - face the lumen of the large intestine) and lamina propria (basal); goblet cells (secrete mucus) are seen prominently between the columnar epithelial cells.

Synovial Knee Joint

Synovial membrane = connective tissue, not epithelial; bones visible include Femur, Tibia, and patella; articulating bones are lined with hyaline cartilage; synovial cavity is filled with synovial fluid.