this are biology prefab question not more that 8 question on each file. but no plagiarism please because it will be submitted to turnitin. please provide work on time
Cartilage and Bones lab
Observations
Take a picture and insert it in the appropriate section
below.
Hyaline cartilage
Magnification used:
Fibrocartilage
Magnification used
Compact bone
2
Magnification used
Spongy bone
Magnification used
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Data table
Tissue type
Best
magnification
Tissue comparison
What is specific about this tissue compared to the other
cartilage
Best
magnification
Tissue comparison
What is specific about this tissue compared to the other
bone
Hyaline
cartilage
Fibrocartilage
Tissue type
Compact
bone
Spongy bone
Post-laboratory Questions
1. Describe the difference observed between hyaline cartilage
and fibrocartilage?
What is the effect of that difference in the way the tissue
functions?
2. In an osteon where can you find the lacuna?
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3. Which of the tissues you have observed has long narrow
lacuna surrounded by
long narrow fibers going all in the same direction?
4. Which tissue type has lacuna which radiate out giving it a
star like appearance
and why would this be?
5. When looking at a slide you see what appears to be open
spaces with small cells
in it, this all is surrounded by layers of connective tissue.
What type of tissue is
being observed?
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Introduction to Histology: Cartilage and bones
Pre-laboratory Questions
1. What distinguishes connective tissues from other tissues?
2. What term is used to describe the network of fibers in
spongy bones?
3. Name the three groups of connective tissue as it relates
to their function?
4. When an osteoblast is surrounded by a matrix, what is it
called?
5. Name the three types of cartilage and explain the
differences?
6. Bone and cartilage represent which type of connective
tissue?
7. In which bone type are osteons found and what do they look
like?
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Introduction to histology: the Skin
Observations
Take a picture and insert it in the appropriate section below
also record the total
magnification needed to best view the object.
Epidermis, dermis and hypodermis
Magnification used:
Different layers of the epidermis
Magnification used:
2
Papillary dermis
Magnification used:
Reticular dermis
Magnification used:
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Apocrine sweat gland
Magnification used:
Merocrine sweat gland
Magnification used:
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Data table
Fill out the table according to the instruction listed in the
lab manual.
Tissue type
Best
magnification
Stratified
Squanomous
Epithelium
Basement
membrane
Stratum
corneum
Stratum
lucidum
Stratum
granulosum
Stratum
spinosum
Stratum
basale
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Tissue comparison
What is specific about this tissue
5
Papillary
dermis
Reticular
dermis
Apocrine
sweat gland
Merocrine
sweat gland
Questions
1. Someone doing manual labor what would you see when looking
at a section of
the dermis of their hands?
2. A callus is a hardening of skin, which protein is very
abundant here?
3. What will happen if the sebaceous gland slows their
function?
4. Why does hair look shinier when we are sweating a lot?
5. Skin grows from a particular layer, what is the name of
this layer and what might
happen if this layer gets damaged?
©2016 Carolina Biological Supply Company
Introduction to Histology: The Skin
Pre-laboratory Questions
1. What are the three main layers of the skin and what are
they composed of?
.
2. What is the role of sebaceous glands?
3. Which layer of the skin contains adipose tissue and what
are the main functions of
this tissue?
4. What are the names of the two types of sweat glands and
what is the main
difference between the two?
5. What is the most abundant cell type in the epidermis? What
substance do they
produce and why?
6. What is the difference between thin and thick skin and
where can this thick layer be
found?
7. Name the five layers of the epidermis?
8. What are the two layers of the dermis and what is their
function?
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