Ch.4 Tissue Classification Flashcards
Covers body surfaces, lines body cavities, forms glands
Epithelium
aggregates or groups of cells organized to preform one or more specific function.
Tisssues
Contractile cells and is responsible for movement
Muscle
Underlies or supports the other three basic tissues, both structurally and functionally
Connective
Receives, transmits, and integrates information from outside and inside the body to control the activities of the body
Nerve
What are the 4 main tissue types?
- Epithelium
- Connective
- Muscle
- Nerve
What are the 3 shapes of epithelial cells?
- Squanous (flat)
- Cuboidal (square)
- Collumanar (tall)
What are the 2 types of layers of epithelial cells?
- Simple (1 layer)
- Stratified (multiple layers)
Free surfaces of epithelial cells exhibit surface modifications, name 3?
- Microvilli
- Steriocilia
- Cillia
Epithelial cells rest on the ___-
Basal Lamina
What kind?
Simple cuboidal
What kind?
Simple Collumnar
What kind?
Stratified squamous
Connective tissue cells are ____ from each other
Seperate!
The space btwn connecitve tissue cells are occupied by?
Materials produced by cells, ECM
What are the 3 kinds of connective tissues?
- Embryonic
- Proper (loose/dense)
- Specialized
- Found in association with most epithelia
- Loose arrangement of collagen fibers
Loose Connective tissue
- Numerous and densely packed collagen fiber
- Primary cell type is the fibroblast
Dense Connective Tissue
Bone, cartilage, blood are examples of?
Specialized Connective Tissue
?
Loose connective Tissue
?
Dense Connective Tissue
Characterized by presence of contractile proteins (Actin and Myosin)
Muscle cells
Muscle cells are ____ and oriented with long axis in the same direction
Elongated
What kind of muscle cell
Cross striation
- Skeletal
- Cardiac
What kind of muscle cell
No cross strations
Smooth Muscle
All muscle cells contain contractile proteins____ arranged in microfilaments and responsible for muscle contractions
- Actin
- myosin
Consists of neurons and support cells
nerve tissue
are highly specialized to transmit electrical impulses and integrate those impulses ; from outside and inside the body.
Neurons
CNS?
Brain + spinal cord
PNS?
Nerves in body + Nerves in ganglia
Cells of the CNS?
Neuroglia Cells
Cells of the PNS?
- Schwann Cells
- Satellite Cells
____ derived structures develop from either the surface or neuroectoderm.
Ectodermal
give rise toneural tube(CNS), neural crest cells (PNS) and derivatives
Neuroectoderm
Epidermis
Enamel of teeth
Surface Ectoderm
- Connective tissue
- Striated muscle
- Smooth muscle
Mesoderm
- Epithelium of Oral Cavity
- Liver, pancrease, gallbladder
- Perenchyma of tonsils
- Thyroid, PT, THymus gland
Endoderm