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BIOL 231, Human Anatomy Wennstrom Human Tissues Goals: • Identify the specific types of epithelium and connective tissue listed below through the microscope or in photographs • Identify the basement membrane of epithelia (note: the membrane is not always thick enough to be clearly visible, but its location between the epithelium and underlying connective tissue can nearly always be located). • Identify any cell types or specialized structures listed in the “Additional structures” column below through the microscope or in photographs. • Identify basic subcellular organelles when visible through the microscope (cytoplasm, nucleus, nucleolus). Slide # Slide label Tissue Additional structures Where to look Epithelial tissue 3,9 Skin 23 Kidney Simple cuboidal epithelium 15 Jejunum Simple columnar epithelium 3, 9 Skin 16, 17 Esophagus 13 Urinary bladder 17 Trachea 22 17 Areolar tissue spread Trachea / esophagus Lining lumen of vessels in dermis Simple squamous epithelium Tubule walls Identify goblet cells, microvilli Stratified squamous epithelium, keratinized Stratified squamous epithelium, non-keratinized Epidermis Lining lumen Lining lumen Transitional epithelium Pseudostratified columnar epithelium Identify cilia, goblet cells Connective tissue Identify collagen fibers, elastin Areolar connective tissue fibers, ground substance, fibroblasts Identify collagen fibers, Adipose tissue adipocytes, 17 Trachea 3, 9 Skin 19 Reticular tissue 17 Trachea/esophagus Dense regular connective tissue Identify collagen fibers, fibroblasts Dense irregular connective tissue Identify collagen fibers, fibroblasts Reticular connective tissue Identify reticular fibers, leukocytes 8 Ground compact bone Bone 21 Blood smear Blood Hyaline cartilage Lining lumen Identify chondrocytes, lacunae, matrix Identify osteocytes, central canals, lacunae, canaliculi, lamellae Identify erythrocytes, leukocytes, platelets Lining lumen Surrounding the organs Around tracheal cartilage Dermis Cartilage rings in wall of trachea Integumentary system Goals: • Identify at least two specific examples of epithelial tissues and two specific examples of connective tissues present in the skin (see slides 3 and 9). • Identify the three major layers of the skin through the microscope, on models, or in photographs: epidermis, dermis, hypodermis • Identify the four layers of the epidermis in thin skin through the microscope, on models, or in photographs: stratum corneum, stratum granulosum, stratum spinosum, stratum basale • Identify the major accessory organs of the integumentary system through the microscope, on models, or in photographs: sweat (sudoriferous) gland, sebaceous (oil) gland, hair follicle, arrector pili muscle