Diversity of Cells and Their Functions Flashcards
What are the 4 basic types of tissues?
Epithelium, connective tissues, muscles and nervous tissues
How can you classify epithelial cells in terms of their shapes and number of layers?
Shape: squamous, cuboidal and columnar
Number of layers: simple, stratified and pseudostratified
State the 2 types of glands
Endocrine and Exocrine
Do endocrine glands have ducts? Where are the secretions secreted towards?
No. Basal membrane
Do exocrine glands have ducts? Where are the secretions secreted towards?
Yes. Apical end of cell
Types of connective tissues
Soft, hard and blood and lymph
Extracellular matrix of connective tissues consists of……
Fibres, ground substance and tissue fluid
Connective tissues consists of what cells?
Fibroblasts, Adipose, Osteocytes and Chondrocytes
What does dense regular connective tissue mean?
Fibres are aligned (such as in tendons)
What does dense irregular connective tissue mean?
fibres run in many different directions
What are the 3 types of cartilages?
hyaline, elastic and fibrocartilage
What is the membrane covering the outer part of the cartilage called?
Perichondrium
How would you identify hyaline cartilage?
Chondrocytes are clumped together as a cell nest
Where is Haversian canals present?
in cortical bone only
Muscles are packed with what kind of fibres in the cytoskeleton?
contractile fibres
