A&P Chapter 4
Mesenchyme is known as what type of tissue?
embryonic connective tissue
True or false: Extracellular matrix includes protein fibers, cytoplasm, and ground substance.
false
Macrophage
ingests foreign and injured cells
A serous membrane is an example of an ______ membrane.
internal
Which connective tissue secretes histamine and heparin?
mast cells
Goblet cells secrete ______
mucus
Mast Cells
- plays important role in inflammation - contain heparin and histamine - releases chemical in response to injury
What are the major function of the epithelial tissues?
1. Protecting underlying structures, 2. Acting as a barrier 3. Permitting the passage of substances 4. Secreting Substances 5. Absorbing substances
What are the two criteria used to classify the different types of epithelial tissue?
1. Shape of epithelial cells 2. Number of cell layers
What cell is a mucus-secreting gland cell found in the epithelia of many mucous membranes?
Goblet cells
in replacement, ______ type od tissue develops
a new
Cells ______ part of the extracellular matrix of connective tissues.
are not
osteoblast
bone-forming cell
Epithelial tissue covers and protects
both outside and inside of the body
Which structures of the body are composed oof nervous tissue?
brain, spinal cord, spinal nerves
osteoclasts
break down bone
Chondroblasts
cartilage forming cells (produce cartilage)
Storing fats is a function of a ______ tissue.
connective
Support and binding tissues together are examples of functions for ______ tissue.
connective
adipocytes
contain large amounts of lipid (store lipid)
Identify 3 embryonic germ layers
endoderm mesoderm ectoderm
Embryonic layers
endoderm, ectoderm, mesoderm
Prevention of microorganism from entering the body is a function of _______ tissue.
epithelial
The number of cell layers and the shape of the superficial cells are two criteria used to classify ________ tissue.
epithelial
What type of tissue covers body surfaces and lines body cavities?
epithelial
The four primary tissues are
epithelial, connective, muscle, and nervous tissue
Glands that release their secretion via ducts onto a body surface are _____ glands, while glands that release their secretions into the blood are _____ glands.
exocrine; endocrine
fibroblasts
form fibrous connective tissue
Endoderm, mesoderm, and ectoderm are embryonic _______
germ layers
mucous membrane
lines cavities and tracts that open to the outside of the body
serous membrane
lines cavities that do not open to the exterior
synovial membrane
lines freely movable joints
Areolar, adipose, and reticular are type of ______ connective tissues.
loose
osteocytes
maintain bone
chondrocytes
maintain cartilage
Fibrocytes
maintain connective tissue fibers
the digestive tract is lined with a ______ membrane
mucous
What are the signs and symptoms of local inflammation?
redness, swelling/edema, pain, heat
In ______, the new cells are the same type as those that were destroyed
regeneration
What type of matrix is found in mesenchyme?
semi-fluid
A membrane that lines an internal body cavity or covers the external surfaces of the viscera is called a(n) ________ membrane.
serous
What are the three major types of tissue membranes?
serous, mucous, synovial
The 3 types of muscle tissues are ______
skeletal, smooth, cardiac
What major category of tissue membrane is composed only of connective tissue?
synovial
What type of tissue membrane lines joint cavities of freely movable joints?
synovial