2. DEFINITION OF GLAND
• A gland is a group of cells in an animal's body
that synthesizes substances (such as
hormones) for release into the bloodstream
(endocrine gland) or into cavities inside the
body or its outer surface (exocrine gland).
4. TYPES OF GLANDS
• The secretary parts and ducts of a gland are derived
from epithelium.
• Depending on the method of transportation of its
secretion it can be classified as
Exocrine
glands
Endocrine
glands
13. Types of exocrine glands and their
functions-
TYPES FUNCTION
Salivary gland In the buccal cavity secrete saliva. This saliva has many functions.
Pancreas Secretes enzyme amylase, trypsin, and lipase. These enzymes digest
carbohydrates, proteins, and fats respectively
Sperm Sperms produce Hyaluronidase enzyme by which they swim in the
uterine tissue to reach ova. The other application of this enzyme is to
help the drug reach inner most tissues of the body.
Sweat glands secrete sweat which acts to regulate body temperature and also
excretion.
Sebaceous
gland
secrete sebum in the skin and the ear
Lachrymal
glands
In eye secrete water to moisten the eye.
14. ENDOCRINE GLANDS
• Endocrine glands are ductless; that is, they
do not have ducts to take their secretions to
specific sites.
• In general, the endocrine system and its
hormones help regulate growth, the use of
foods to produce energy, resistance to stress,
the pH of body fluids and fluid balance, and
reproduction
15. In general, the endocrine
system and its hormones
Help-
• regulate growth,
•the use of foods to
produce energy,
•resistance to stress,
• the pH of body fluids and
fluid balance,
• and reproduction
