44 Questions
What is the shape of the cells that compose simple squamous epithelium?
Flat and elongated
Where can simple squamous epithelium be found in the lungs? (Select all that apply)
Alveolar ducts
What is the term for simple squamous epithelium that lines the inner lining of blood vessels?
Endothelium
Where can simple squamous epithelium be found in the body cavities?
Serous membranes
What is the location of the nucleus in simple squamous epithelium cells?
Centrally located
What type of cells are noted per the arrows? Bonus: What type of epithelium is this?
Simple squamous epithelium. This is vascular endothelium
What is distinctive about the shape of cuboidal epithelial cells?
All sides are approximately the same size
Where can cuboidal epithelium be found in the brain?
Choroid plexus
What is the function of cuboidal epithelium in the thyroid gland?
To line follicles
What is unique about the structure of the lens of the eye?
It is lined with cuboidal epithelium
What is the primary function of glands that are lined with cuboidal epithelium?
To secrete substances
The collecting tubule in the kidney (as shown in histology above) is lined by simple cuboidal epithelium.
True
This histology represents the lining of the ___________ with simple columnar ciliated epithelium.
Oviduct
What type of cells are seen in this histology slide?
Non- Keratinized Stratified squamous
What type of cells are noted in the histology above?
Keratinized stratified squamous epithelium
Match to the appropriate description of the adenomere and/or duct.
Tubular = Straight or coiled Acinar = Pie shaped, small lumen Alveolar = Large luminal space Compound duct = Many branches of a duct system
Match to the correct adenomere and/or duct.
Sweat gland, stomach glands, colon glands = Tubular Pancreas, salivary glands = Acinar Mammary gland, prostate, sebaceous glands = Alveolar One opening = Simple duct
Which of the following best describes letter B?
Simple branched tubular
Match the following to the correct shape of duct and adenomere.
A = Simple tubular F = Compound tubular C = Simple coiled tubular E = Simple branched acinar
What is the shape of the duct and adenomere of letter G?
Compound acinar
Which of the following is describing the shape of the duct and adenomere for letter D?
Simple acinar
Which of the following is describing the shape of duct and adenomere for letter H?
Compound tubuloacinar
This histology is displaying a simple cuboidal straight tubular gland.
False
Mucous and serous cells together make a mixed gland, but the mucous and serous cells do not share a common duct system.
False
What type of gland is noted in the histology above?
Mucous gland
The sebaceous gland’s cytoplasm is pale and foamy with a centrally located nucleus, whereas a mucous gland has a basally located nucleus with its cytoplasm appearing pale and frothy.
True
Pair the correct classification of modes of secretion.
Endocrine = Secreted product is directed toward the blood vessels Merocrine = Smooth lumen, no cytoplasm lost producing secretion Holocrine = Entire cell is the product Apocrine = Apex bulges,some cytoplasm is lost producing secretion
Merocrine, apocrine and holocrine are all methods of exocrine secretion.
True
Match to correct examples of modes of secretion.
Merocrine = Salivary glands Apocrine = Prostate gland Merocrine = Exocrine pancreas Apocrine = Mammary gland
Sebaceous glands are an example of a holocrine method.
True
What type of cell is this?
Mast cell
Which of the following correctly describes the content of this histology slide.
The yellow arrows are pointing to collagen fibers and the black arrows are pointing to fibrocyte nuclei
Match the following main collagen types to correct description
Type 1 = 90% of body’s collagen, found in skin, bone, dentin, tendons, fibrocartilage; resist tensile forces Type 2 = Found in cartilage; resist compression Type 3 = Reticular fibers found in the stroma of expandable organs- spleen, lymph node, liver, cardiovascular system, lymphatics Type 4 = Basal lamina of epithelia
What type of fibers are displayed within this histology slide?
Reticular fibers
Dense irregular CT is characterized by more cells, few fibers, and a clear space; whereas loose CT is characterized by fewer cells, many thick collagen fibers, and are irregularly packed.
False
Match the following to correct description of identified structures.
Blue = Loose CT Black = Stratified squamous keratinized epithelium Red = Dense CT Free bee = Free bee
What’s displayed on the histology slide
Dense regular connective tissue
Match the following to correct tissue being identified with the arrows
Black = Stratified squamous keratinized epithelium Red = Dense irregular CT Blue = Loose CT Freebee = Freebee
Dense regular connective tissue is characterized parallel arranged collagenous fibers
True
Reticular fibers are being displayed in the histology
True
What is being displayed in the histology slide?
A lung capillary
Match the following to the correct numbered boxes
1 = Intra-alveolar macrophage 2 = Type 1 cell 3 = Type 2 cell (surfactant) 4 = Endothelium
Choose the statement that describes this histology slide, respectively.
1 is identifying a Type 2 alveolar cell and 2 is identifying a Type 1 cell
Type 2 pneumonocytes squamous alveolar cells whereas Type 1 pneumonocytes are known as granular alveolar type 1 cells
False
Study Notes
Simple Squamous Epithelium
- Composed of flat, elongated cells with a round to oval nucleus, often centrally located.
Locations
- Lines body cavities, known as mesothelium, including: • Pleural cavity • Pericardial cavity • Peritoneal cavity
- Found in alveolar walls in lungs
- Forms the inner lining of: • Blood vessels • Lymphatic vessels, known as endothelium
Simple Cuboidal Epithelium
- Cells have a cuboidal shape, with all sides being approximately the same size.
- Cell limits are often well-defined.
- Found in lining ducts of many glands.
- Present in the choroid plexus in the brain.
- Lines follicles of the thyroid gland.
- Found in the lens of the eye.
Identify the characteristics and locations of cells throughout the body.
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