, Type
• Epithelial -Covers external and intern
• Muscles -specialized for contraction,
and smooth muscle.
• Connective- Provides support, binds
includes bone, cartilage, blood, and a
, Ep
Functions of Epithelial Tissue
1.Physical Protection: Shields internal a
chemical or biological threats. For exam
environmental damage.
2.Control of Permeability: Regulates wh
Some epithelia are highly selective, allo
, Epithelial Cell Pola
Apical surface: Faces the external environment or internal lu
Basolateral surface: Anchored to underlying tissues and
attached to the basement membrane.This polarity is essenti
or movement of mucus in the respiratory tract.
Specializations include:
Microvilli: Tiny, nger-like projections that vastly increas
prominent in the digestive system and kidneys.
Cilia: Hair-like structures that beat in coordinated waves to m
in the respiratory tract.These structures enable epithelial cells
• Epithelial -Covers external and intern
• Muscles -specialized for contraction,
and smooth muscle.
• Connective- Provides support, binds
includes bone, cartilage, blood, and a
, Ep
Functions of Epithelial Tissue
1.Physical Protection: Shields internal a
chemical or biological threats. For exam
environmental damage.
2.Control of Permeability: Regulates wh
Some epithelia are highly selective, allo
, Epithelial Cell Pola
Apical surface: Faces the external environment or internal lu
Basolateral surface: Anchored to underlying tissues and
attached to the basement membrane.This polarity is essenti
or movement of mucus in the respiratory tract.
Specializations include:
Microvilli: Tiny, nger-like projections that vastly increas
prominent in the digestive system and kidneys.
Cilia: Hair-like structures that beat in coordinated waves to m
in the respiratory tract.These structures enable epithelial cells
