A215 Lab - Exam 2 Histology

smooth muscle

spindle-shaped cells with central nuclei; no striations; cells arranged closely to form sheets

cardiac muscle

intercalated discs, centrally located nuclei

skeletal muscle(longitudinal)

striations, many nuclei

skeletal muscle(cross section)

many nuclei around edges

cortex of cerebrum

the outer, darker staining layer of the cerebrum
- made of gray matter

white mater of cerebrum

lighter staining
- composed of tracts of myelinated nerve fibers

cortex of cerebellum

green and red arrows
- made of gray matter

white matter of cerebellum

blue arrow

spinal cord cross section - gray mater

"H"

spinal cord cross section - white matter

motor neuron histology

motor neuron hillock

2
- light staining compared to axons and rest of cell_no chromatophillic substance

cell body of motor neuron

1

motor neuron nucleus

3
- light blue staining section

motor neuron nucleolus

4
- dark staining spot w/in nucleus

chromatophilic substance

5
- small, darkest staining spots

peripheral nerve - cross section

peripheral nerve - longitudinal section

anterior pitutiary gland

darker staining-- more spots, blood vessels

posterior pituitary gland

lighter, irregularly shaped