Histology Cell

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Histology Slide Show : 

Histology Slide Show Created by Class of 2004 Special thanks Dr. Lori Dribin Editors: R. Kanji & N. Pithwa Updated by Dr. Mariassy

A CELL, Monocyte : 

A CELL, Monocyte Nucleus U Shaped (1) Nuclear Membrane (2) Golgi Apparatus (3) Vesicles (4) Mitochondria (5)

CELL MEMBRANE : 

CELL MEMBRANE The region where the two membranes are fused is a tight junction (arrowheads) R.E.R. on far left, (2) dark spots are ribosomes Lumen (1) Microtubules, X sections (3) * Pinocytotic Vesicle

MICROFILAMENTS : 

MICROFILAMENTS Microfilaments (1) with mitochondria to the left Nucleus (2) melanosomes (3)

MICROTUBULES : 

MICROTUBULES Arrows indicate microtubules from a mitotic spindle Dark blob (*) is chromosome in mitosis * *

CENTRIOLES : 

CENTRIOLES Centrioles (1)– composed of microtubules organized into 9 sets of triplets (see inset) Nucleus (2) Golgi Apparatus (3)

MITOCHONDRIA : 

MITOCHONDRIA Mitochondria from two different cells arrowheads mitochondrial membrane

ROUGH ENDOPLASMIC RETICULUM : 

ROUGH ENDOPLASMIC RETICULUM Nucleus (1) Lumen of RER (*)

SMOOTH ENDOPLASMIC RETICULUM : 

SMOOTH ENDOPLASMIC RETICULUM Arrows indicate extensive SER in a steroid secreting cell Mitochondria (1) Peroxisome (2)

ENDOPLASMIC RETICULUM : 

ENDOPLASMIC RETICULUM Smooth Endoplasmic Reticulum (SER) (1) Rough Endoplasmic Reticulum (RER) (2) Mitochondria (3)

GOLGI APPARATUS : 

GOLGI APPARATUS Golgi Apparatus (2) labeled in the left and right figures Nucleus (1) 1 Fig. 1 Fig. 2

SECONDARY LYSOSOMES : 

SECONDARY LYSOSOMES Dark spots are secondary lysosomes (*) Lysosomes (1) Cytoplasm (2) Cell Junction (3) (Desmosome) Nucleus (4) * * *

PROTEIN SECRETING CELL : 

PROTEIN SECRETING CELL Rough Endoplasmic Reticulum (RER) (1) Nucleus (2) Secretion Vesicles or Granules(3)

NUCLEUS : 

NUCLEUS Heterochromatin associated with the nucleolus (1) Nucleolus (2) Region of euchromatin (3) Heterochromatin associated with nuclear membrane (4) Nuclear pores (arrowheads) Cytoplasm is filled with RER

NUCLEAR MEMBRANE : 

NUCLEAR MEMBRANE Nuclear Membrane (1) (note its double membrane) (1) Rough Endoplasmic Reticulum (2) Region of Euchromatin (3) Nuclear Pore (4) Golgi Apparatus (5)

STAGES OF MITOSIS : 

STAGES OF MITOSIS Interphase nuclei – some with inactive X-chromosome (Barr Body, A dark spot at the edge of the nucleus – female) Prophase stage of mitosis – Fig. 73 c Metaphase stage of mitosis – Fig. 73 d

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