Tissues Flashcards
This is an ensemble of cells, not necessarily identical but from the same origin, that together carry our a specific function that is necessary to the survival of multicellular organisms.
Tissues
Study of Tissues.
Histology
Study of Tissues in connection with disease
Histopathology
What are the four types of animal tissues?
• Epithelial Tissue
• Nervous Tissue
• Muscle Tissue
• Connective Tissue
This is a protective, continuous sheet of compactly packed cells.
Epithelial Tissue
What are the characteristics of Epithelial Tissue?
• Cellularity
• Polarity
• Attachment
• Vascularity
• Innervation
• Regeneration
It is highly cellular, tissue as a whole is primarily composed of cells.
Cellularity
Epithelial Tissue is compact due to the?
it make use of the specialized junctions
What are the three specialized functions?
- Tight junctions
- Adherens junctions
- Gap Junctions
This is a type of specialized junction that has a strong bond between neighboring cells and prevents leakage across tissues.
Tight Junctions
A specialized junction that linked the cytoskeleton of the adjacent cells.
Adherens Junctions
A specialized junction used by epithelial cells to facilitate the movement of ions and molecules across the tissue.
Gap junctions
The cells have different appearance in their upper and lower parts.
Polarity
Lower surface of Epithelial Tissue
Basal Surface
Upper Surface of Epithelial Tissue
Apical Surface
All epithelium displays _____ which means that the basal surface are connected to the special membrane called the _______ ________.
Attachment, basement membrane
What are the two lamina that made up the basement membrane?
Basal Lamina and Reticular Lamina
This made up the basement membrane that is adjacent to the epithelium and has fibers and polysaccharides. The materials are also produced from epithelial cells.
Basal Lamina
This made up the basement membrane in which the layer is connected to the underlying tissue and consist of proteins and fibers. And the materials are produced from connective tissue.
Reticular Lamina
It does not have its own blood supply and the materials are diffused from neighboring cells
Vascularity
It is rich in nervous-endings and the epithelial tissue can perform sensory function.
Innervation
Can repair and regenerate itself
Regeneration
Steps Jn Wound Healing
Coagulation, Inflammatory Response, Epithelialization, Fibroplasia, and Maturation
Give the four functions of Epithelial Tissue.
Protection, control permeability, sensation, and secretion