54 Questions
Which type of gland secretes its product through ducts?
Exocrine gland
Which type of gland lacks a duct system?
Endocrine gland
What are the secretions called that are produced by endocrine glands?
Hormones
Which type of epithelium can give rise to glands?
Simple cuboidal epithelium
Which of the following is an example of a gland formed from covering epithelium?
Sweat gland
What is the process by which covering epithelium transforms into a gland called?
Differentiation
Which type of tissue is directly involved in the function of an organ?
Epithelial tissue
What is the role of stroma in an organ?
To provide support
Which of the following is NOT part of the parenchyma of an organ?
Blood vessels
Which type of gland is classified as unicellular?
Exocrine gland
Where are goblet cells located?
Surface epithelium and glands of intestines
What is the staining technique used to visualize mucus stored in goblet cells?
PAS-PT staining
Which type of gland is classified as multicellular?
Compound gland
Which type of gland has a branched duct?
Compound gland
What is the shape of the secretory portion of a tubular gland?
Like a tube
Which type of gland is shaped like a tube?
Tubular gland
Which type of gland is shaped like a flask?
Acinar gland
What is a tubuloalveolar gland?
A tubular gland with a sac-like dilation at the end
Which type of gland is shaped like a flask?
Gastric gland
What type of gland lacks a duct system?
Eccrine sweat gland
Which type of gland is classified as multicellular?
Simple tubular gland
Which type of sweat gland has a coiled nature that results in multiple irregular sections of the secretory unit and ducts?
Eccrine sweat gland
What is the staining characteristic of the ducts in the sweat gland?
More intensely stained than the secretory unit
Which type of sweat gland is more commonly found in the human body?
Eccrine sweat gland
Which type of gland is found in the esophagus and stomach?
Simple branched acinar gland
Where can you find the esophagogastric junction?
In the esophagus
Which type of gland has a branched duct?
Simple branched acinar gland
Which type of gland is found in the duodenum?
Submucosal glands of Brunner
What is the shape of the secretory portion of a salivary gland?
Compound tubuloacinar
Which type of gland is found in the pancreas?
Compound acinar
Which type of gland produces a viscous, slimy secretion that is PAS positive?
Goblet cells
What is the staining characteristic of mucin granules in mucous glands?
PAS positive
Where is the nucleus usually located in mucous gland cells?
At the basal end of the cell
Which type of gland produces poorly glycosylated or non-glycosylated protein secretions?
Serous glands
What is the shape of the nucleus in serous gland cells?
Rounded or oval
Which gland is predominantly serous in nature?
Submaxillary gland
Which type of cells are more removed from the lumen of the acinus in mixed glands?
Serous cells
What is the shape of serous cells in the periphery of the mucous acinus?
Crescents
How do serous secretions reach the duct in mixed glands?
Via small intercellular channels or canaliculi
Which type of gland releases secretory material with adherent cytoplasm from the surface of the cell?
Apocrine gland
Which type of gland sacrifices the entire cell in producing secretion?
Holocrine gland
What is the main difference between apocrine and holocrine glands?
Apocrine glands release secretory material without adherent cytoplasm, while holocrine glands release the entire cell as secretion.
Which type of secretion is stored in membrane-limited vesicles and exocytosed from the cell surface?
Merocrine secretion
What is the most common mode of secretion used by exocrine glands?
Merocrine secretion
Which type of secretion involves the fusion of the membrane of the secretory cell with the membrane of the vesicle?
Merocrine secretion
Which type of secretion is released by the apocrine mechanism?
Lipids
Which type of secretion is released by the merocrine mechanism?
Proteins
What is the difference between apocrine and merocrine secretions?
The cell releases apocrine and merocrine secretions through the same mechanism
Which type of membrane lines cavities that connect with the outside of the body?
Mucous membrane
What type of membrane lines closed cavities of the body?
Serous membrane
What does the mucous membrane consist of?
Diverse types of epithelium, basal lamina, and underlying lamina propria
Which type of membrane contains glands that secrete mucus?
Mucous membrane
Which type of membrane does not contain glands?
Serous membrane
Which type of membrane consists of simple squamous epithelium?
Serous membrane
Test your knowledge on glands, their classification, and how they secrete their products. Learn about exocrine and endocrine glands, the difference between them, and the types of secretions they produce. Explore the fascinating world of hormones and their role in the body.
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