MHS 262 Skeletal Muscle

MICROSCOPE SLIDE

SLIDE NAME

MHS 262 Skeletal Muscle

TISSUE

Skeletal Muscle

STAIN

Hematoxylin & Eosin

IMAGE SIZE

42,240 x 55,988 pixels
8.8 GB

FILE SIZE

37 MB

MAGNIFICATION

40x

PIXEL SIZE

0.3171 µm

SOURCE

Robert L. Sorenson

CONTACT

Questions or comments should be sent to
tcbrelje@gmail.com

This web site is owned and operated by:

T. Clark Brelje, Ph.D.
University of Minnesota
Department of Genetics, Cell Biology and Development
6-160 Jackson Hall
321 Church St SE
Minneapolis, MN 55455

Robert L. Sorenson, Ph.D.
University of Minnesota
Department of Genetics, Cell Biology and Development
6-160 Jackson Hall
321 Church St SE
Minneapolis, MN 55455

Version 4.2

© 2005-2019.
T. Clark Brelje and Robert L. Sorenson.
All rights reserved.

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MHS 262 Skeletal Muscle

Skeletal Muscle

This cross-section of skeletal muscle shows the connective tissue required for force transduction through collagen fibers, usually, to a bone.

Endomysium - thin layer of connective tissue that surrounds each muscle cell.

Capillaries - a rich blood supply travels through the endomysium. The capillaries occur at the corners of the muscle cells.

Perimysium - connective tissue that surrounds a group of muscle cells to form a fascicle.
Epimysium - dense connective tissue that surrounds the entire muscle.

Skeletal muscle cells (or fibers) are classified based on contractile speed and metabolic activity. Two types of fibers can be distinguished in this specimen.

Type I - smaller muscle cells that specialize in long, slow contractions. They stain darker than type II fibers.
Type II - larger muscle cells that specialize in fast contractions. The majority of muscle cells in this specimen.

The cross section of a muscle spindle is present in this section. Muscle spindles are sensory receptors within a muscle that primarily detect changes in length of a muscle.