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BIO210 Objectives for Lab Quiz #2 MICROSCOPE, TISSUES, & INTEGUMENT The student will identify the parts of the microscope from Lab Exercise I-4. The student will know the function and how to use each part: eyepiece with ocular lens body tube arm nosepiece rotating nosepiece objective lenses stage stage (slide) clips mechanical stage mechanical stage control fine adjustment coarse adjustment base power switch light control substage light condenser iris diaphragm lever The student will identify why a given slide is not viewable. The student will identify the proper way to carry, use, clean and store a microscope. The student will define: tissue – Identify the four categories and characteristics of each histology integumentary system The student will identify the tissues as given on the TISSUES list. The student will identify the following from the microscope and skin model: Three layers of the integument: epidermis five cell layers stratum corneum stratum lucidum stratum granulosum stratum spinosum stratum basale dermis Two regions th papillary region – upper 1/5 reticular region hypodermis (subcutaneous) The student will identify the following structures from the microscope or model: Pacinian corpuscle (lamellated corpuscle) Meissner’s corpuscle hair root and shaft and follicle sebaceous gland arrector pili muscle sudoriferous gland – eccrine & apocrine TISSUES The student will identify the tissues and features using the microscope – Lab exercise I-5. Epithelial Tissues (Epithelium) TISSUE: SLIDE or LOCATION: FEATURES: simple squamous epithelium lung and kidney glomerulus stratified squamous epithelium epidermis simple cuboidal epithelium kidney simple columnar epithelium digestive tract pseudostratified columnar epithelium trachea lining cilia, goblet cell transitional epithelium bladder Connective Tissues TISSUE: SLIDE or LOCATION: FEATURES: areolar connective tissue loose connective tissue fibroblast elastic and collagen fibers adipose tissue adipose, hypodermis adipocyte reticular connective tissue spleen, lymph node elastic connective tissue aorta wall elastic fibers dense regular connective tissue tendon fibroblast, collagen fibers dense irregular connective tissue dermis (reticular region) fibroblast, collagen fibers hyaline cartilage connective tissue trachea chondrocyte in lacuna elastic cartilage connective tissue epiglottis, ear chondrocyte in lacuna elastic fibers fibrocartilage connective tissue intervertebral disc chondrocyte in lacuna collagen fibers blood connective tissue blood erythrocytes and leukocytes bone connective tissue bone osteocyte MuscleTissues TISSUE: FEATURES: skeletal muscle striations, multinucleated cardiac muscle striations, intercalated disc, branched fibers, nucleus smooth muscle nonstriated, nucleus Nervous Tissues TISSUE: SLIDE or LOCATION: FEATURES: nervous tissue brain and spinal cord neuron NOTE: When asked to identify the type tissue, the student must include epithelial tissue (epithelium) or connective tissue with the type tissue. Example: Simple squamous epithelial tissue or simple squamous epithelium, and dense regular connective tissue are correct; whereas, simple squamous or dense regular are incorrect.
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