Muscle Lab Flashcards by Nshwah Ahmad

Q

What is depicted by the arrow

A

Nucleus

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Q

What is depicted by the arrow what type of muscle is this

A

Skeletal muscle

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Q

What is depicted in the image

A

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.

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Q

What is depicted in the image

A

Triad

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Q

What is indicated in the image

A

Skeletal muscle in cross section. Notice multiple myofibrils within each muscle cell and peripherally located nuclei.

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Q

Label the image

A

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Q

What type of muscle is this and what is depicted by the arrows

A

Cardiac Muscle

Intercalated disc

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Q

What type of muscle is this

A

Skeletal muscle

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Q

What type of muscle is this

A

Skeletal muscle

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Q

What type of muscle is this

A

Cardiac Muscle

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Q

Label the Image

A

Cardiac muscle cells in cross section. The nuclei are centrally located

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Q

Label the image

A

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Q

What is this a cross section of

what is indicated by the arrows

A

Cardiac muscle

Blood Capillaries

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Q

What type of muscle is shown

A

Cardiac muscle

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Q

What type of Muscle is this

A

Smooth Muscle

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Q

What is depicted by the arrows and what type of muscle is it

A

Nuclei

Smooth Muscle

Q

What is depicted by the arrow and what type of muscle is it

A

Parasympathetic ganglion

smooth muscle

Q

What is depicted in the image

A

Neuromuscular (Motor end plate)