The Cell Tissues under the Microscope


The Cell Tissues under the Microscope

Muscular Tissues:

i. The tissue displayed is Cardiac Muscle. This tissues actions are involuntary. Its

visible features:

• The Nucleus,

• Intercalated discs

• Striations

ii. The tissue depicted is the Smooth Muscle. Its features are:

• It appears non striated

• Nucleus is visible

• Cells are shaped like spindles (Interactive Physiology, 2014

Its action is involuntary like the cardiac Muscle. Both of these are controlled

by neurons (part of the autonomic division of the NS) and by hormones

released by the endocrine glands. (Tortora and Derrickson, 2013)

iii. The tissue depicted is the skeletal Muscle. Cylindrical and single with clear

striation. Two major intracellular (Sarcomere) features

• The centre of the sarcomere is where the proteins that hold thick filaments

together are. (M line inside the H zone) (Uniprot Subcellular Locations,


• The A band, the dark sections either side of the H zone has thick and thin

filaments overlapping, causing the dark colour (Tortora and Derrickson,


Nervous Tissues:

The cells in the Nervous System are made up mainly of: Neurons and Neuroglia

i. The image is a transverse section of the spinal cord, from the Central Nervous

System, (Histology OLM, 2014) Grey (eg. Neuronal soma, dendrites,

unmyelinated axons) and White Matter (myelinated axons) are the two types of

tissue seen.

ii. Motor Neuron, Cellular Features:

• Dendrite: has many receptor sites for binding chemicals messengers from

other cells.( Tortora and Derrickson, 2013)

• Soma (Cell Body): Signals from Dendrites are joined and passed on.

(, 2014)

• Axon: sends nerve impulses to other neurons/muscle fibres/gland cells.

(Tortora and Derrickson, 2013)

iii. Satellite cells


• Surround the cell bodies of neurons in the PNS ganglia.

(, 2014)


• Structural support (Tortora and Derrickson, 2013)

• Regulation of the exchange of materials between interstitial fluid and

neuronal cell bodies. (Slomianka, 2014)

Connective Tissue

i. Blood – Figure 1

Staining Technique: Leishman is used to differentiate Blood cells (Slomianka,


Structural Features: (Library Medicine Utah University, 2014)

• Erythrocytes

• Leucocytes

• Thrombocytes

ii. Tendons – Figure 2

Staining Technique: Van-Gieson’s Technique allows for distinguishing

Connective Tissue and Muscle (Medical Science – Indiana University, 2014)

Structural Features:

• Collagen

• Fibroblast nucleus (Boundless. 2014)

iii. Cartilage – Hyaline – Figure 3

Staining Technique: H and E (Slomianka, 2014)

Structural Features:

• Lacunae

• Chondrocytes

• Isogenous groups

• Territorial Matrix

• Inteterritorial matrix

Ross_ 27/2/14 8:08 PM

Epithelial Tissues

Are stained with: H and E (Histology Images, 2014)

Simple Cuboidal – Figure 4:

•Structural Features:

• Nucleus

• Lumen

• Connective tissue (Tortora and Derrickson, 2013)

Simple Columnar – Figure 5:

•Structural Features:

• Cilia/ microvilli

• Nucleus

• Connective tissue

• Basement membrane, lies between simple columnar epithelium and Connective

Tissue. (Slomianka. 2014. )

Simple Squamous – Figure 6:

•Structural Features:

• Plasma membrane

• Cytoplasm

• Nucleus (Tortora and Derrickson. 2013) Ross_ 27/2/14 8:08 PM



Boundless. 2014. Characteristics of Connective Tissue – Boundless Open Textbook.

tissue/ Viewed on the 10th of February 2014

Electron Microscp[y Science. 2014. Van-Gieson’s Method for Collagen Fibers. Viewed on the 10th

of February 2014

Faculty of Biological Sciences, University Of Leeds. 2014. Faculty of Biological Sciences,

University of Leeds, Histology Guide | Blood. Viewed on the 10th of February 2014 2014. Satellite Cells of the Peripheral Nervous System (PNS). Vie

wed on the 11th of February 2014

Histology OLM. 2014. The Spinal Cord | Viewed on the 11th of February 2014

Histology Images. 2014. Microscopic Histology Images – Epithelial Tissue. Viewed on the 11th of Febuary

Interactive Physiology. 2014. Anatomy Review: Skeletal Muscle Tissue.

f viewed on the 11th of February 2014

Library Medicine Utah University. 2014. Hematopathology. Viewed 11th of February

2014 2014. Blood Smears. Viewed on the 10th of February


Medical Science – Indiana University. 2014. Cell Biology & Histology A560. Viewed on the 11th February 2014

NYS Department of Health, Wadsworth Centre. 2014. Through the Microscope: Blood Cells. Viewed on the 10th of

February 2014 2014. Structure of the Neuron – Soma. Viewed on the 11th of

February 2014

Slomianka, L. 2014. Blue Histology – Blood. Viewed on the 10th of

February 2014

The Journal of the American Society of Haematology. 2014. Blood. Viewed on the 10th

of February 2014

Tortora, G. J. and Derrickson, B. 2013. Principles of anatomy & physiology. Hoboken, NJ:


Uniprot Subcellular Locations. 2014. Sarcomere. Viewed on the 11th of February 2014


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