Muscle Lab Flashcards
What is depicted by the arrow
Nucleus
What is depicted by the arrow what type of muscle is this
Skeletal muscle
What is depicted in the image
Sarcomere – is the smallest repetitive subunit of the contractile apparatus in skeletal muscle. With the light microscope, it can be seen to consist of alternating light and dark bands. A sarcomere runs from Z-line to Z-line
A-band – is the darker band. It consists of myosin, with some overlapping actin. H-band – is the lighter region in the middle of the A-band. It is an area where only myosin is present.
I-band – is the lighter band. It consists of actin filaments.
Z-line – is the dark line seen in the middle of the I-band. It represents the anchoring point of the actin filaments of two adjacent sarcomeres.
What is depicted in the image
Triad
What is indicated in the image
Skeletal muscle in cross section. Notice multiple myofibrils within each muscle cell and peripherally located nuclei.
Label the image
What type of muscle is this and what is depicted by the arrows
Cardiac Muscle
Intercalated disc
What type of muscle is this
Skeletal muscle
What type of muscle is this
Skeletal muscle
What type of muscle is this
Cardiac Muscle
Label the Image
Cardiac muscle cells in cross section. The nuclei are centrally located
Label the image
What is this a cross section of
what is indicated by the arrows
Cardiac muscle
Blood Capillaries
What type of muscle is shown
Cardiac muscle
What type of Muscle is this
Smooth Muscle