A&P Chapter 4

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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


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