List of slides

Cytology

INTRODUCTION

Loose connective tissue

PRINCIPLES OF CELL STRUCTURE

A mesenchymal cell in the connective tissue of human placental villi. TEM image, 12,000X

Methods of cell study

Spherical shape of cells in white adipose tissue

Fusiform muscle cells in vascular wall

An epithelial cell with processes (podocyte) in renal corpuscle

CELL INTERACTION WITH THE ENVIRONMENT

Cell membrane or plasma membrane

Cell membranes of two endothelial cells

Surfaces of fractured membranes in red blood cells

Glycocalyx on endothelial cell surface

Intercellular junctions

Digitiform intercellular junctions between epithelial cell surfaces

Desmosome between epithelial cells of parotid salivary gland

Junctional complex between epithelial cells of the small intestine

Tight junction between cells of pancreatic secretory portion (acinus)

Intervals in the strand network of endothelial tight junction

Annular gap junction between membranes of cardiac muscle cells

Cluster of connexons in the membrane of endothelial cell (cryo-fracture)

Membrane transport

Forming of clathrin-coated vesicle in endothelial cell

Cellular debris phagocytosis by macrophage

Autophagosome in cell cytoplasm

Cytoplasmic fragment of macrophage (lysosomes, Golgi apparatus)

Secretory granules in cells of parotid salivary gland

Granule release into the lumen of pancreatic acinus

PROTEIN SYNTHESIS IN CELLS

Nucleus

Nnucleus of an actively synthesizing liver cell

Nucleolonema in hepatocyte nucleus

Pores in nuclear envelope of fibroblast

Pores in nuclear envelope of pancreatic exocrine cell (cryo-fracture)

Ribosomes, endoplasmic reticulum, Golgi apparatus

Polysomes in cytosol of cardiac muscle cell

Solitary cisterns of RER in cells of capillary wall

RER (ergastoplasm) of cell in parotid salivary gland

Polysomes on RER membranes of fibroblast

SER in hepatocyte cytoplasm

Golgi apparatus in cytoplasm of neuron

CELL MOTION

Cytoskeletal components of aortic endothelial cell

Cytocenter and stress fibers in fibroblast cytoplasm

Microtubule-organizing center in macrophage cytoplasm

ENERGY PRODUCTION IN CELLS

Mitochondrion in cardiac muscle cell of a developing heart

Mitochondrion and glycogen granules in hepatocyte

Peroxisome with crystalloid matrix in endothelial cell

CELL REPRODUCTION AND DEATH

Cell cycle

³Н-thymidine incorporation into erythroblast chromatin (S phase)

³Н-thymidine incorporation into cell nuclei of the aorta (S phase, A SEM image)

Dividing erythroblast of murine spleen in prophase

Mitotic spindle in dividing pericyte of capillary wall

Metaphase chromosomes (equatorial plate) in cytotrophoblast cell

Mitotic anaphase in a dividing lymphocyte; cell apoptosis

Division of aortic endothelial cell (cytokinesis). SEM image

Midbody in dividing ovarian follicular cell

Polynuclear cell and cell in the state of apoptosis

Necrosis of cardiac muscle cells due to ischemia