40 Questions
What is the primary function of a gland in the body?
To produce a chemical secretion necessary for normal body functioning
What is the classification of glands based on the distribution of their secretion?
Endocrine and Exocrine
What is the shape of the secretory units in salivary glands?
Tubuloalveolar or Tubuloacinar
What is the type of secretion in salivary glands?
Merocrine
What is the function of the mesenchyme in salivary glands?
To divide the gland into lobes and lobules
What are the two main components of salivary glands?
Parenchyme and mesenchyme
How many types of salivary glands are classified based on their size?
Two
What is the name of the gland that opens into the oral cavity?
Salivary gland
What type of gland is the adult parotid?
Purely serous
Which of the following glands is not a minor sublingual gland?
Submandibular
What is the correct order of development of salivary glands?
Formation of bud, formation of chord, branching of chords, formation of lobule
What induces the overlying epithelium to proliferate in Stage I of salivary gland development?
Underlying mesenchyma
What regulates the branching process in Stage III of salivary gland development?
EGF and its receptors
What is the result of extensive branching of the terminal ends in Stage IV of salivary gland development?
Formation of lobules
What is the role of FGF7 in salivary gland development?
Stalk elongation
What is the function of the basal lamina in salivary gland development?
Separates the bud from the underlying mesenchyme
During stage V of salivary gland development, what occurs due to different rates of cell proliferation between the outer and inner layers of the epithelial chord?
Canalization of the chords
What is the primary function of myoepithelial cells during salivary gland development?
Muscle contraction to facilitate saliva secretion
During which week of development do the cords of the submandibular gland canalize and form ducts?
10-12 weeks
What is the name of the process by which the terminal secretary acini and intercalated ducts differentiate to form the terminal ends of the branching tree?
Cytodifferentiation
How many pairs of major salivary glands are present in human beings?
3 pairs
What is the name of the largest salivary gland?
Parotid gland
During which week of development do the buds of the parotid gland appear near the angle of the primitive mouth?
6-8 weeks
What is the name of the protein involved in the induction of acinar cell differentiation?
Laminin
What is the location of the parotid gland?
Below the external acoustic meatus
What is the shape of the parotid gland?
A three-sided pyramid
What is the length of the parotid duct?
5 cms
What is the nerve supply of the parotid gland?
Auriculotemporal nerve
What is the weight of the parotid gland?
15 gms
What is the lymphatic drainage of the parotid gland?
Parotid nodes and upper deep cervical nodes
What is the location of the submandibular gland?
In the submandibular triangle
What is the shape of the submandibular gland?
J-shaped
What is the weight of the submandibular gland?
10-15 gms
What is the name of the duct that drains the submandibular gland?
Wharton's duct
Where does the submandibular gland lie in relation to the mylohyoid?
Deep to the mylohyoid
What is the shape of the sublingual salivary gland?
Almond-shaped
What is the number of excretory ducts in the sublingual salivary gland?
8-20
What is the result of obstruction of the ducts draining any salivary gland?
Retention cyst formation
What is the name of the retention cyst that occurs in the floor of the mouth due to trauma?
Ranula
Which artery supplies the sublingual salivary gland?
Both lingual and submental arteries
Learn about the introduction to salivary glands, their classification, secretory units, and structures. This quiz covers the basics of oral biology and is perfect for students of dentistry or biology.
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