The document describes the key characteristics of different types of tissues in the human body, including connective tissues (areolar tissue, adipose tissue, reticular tissue, dense irregular connective tissue, dense regular connective tissue), epithelial tissues (stratified cuboidal epithelium, simple columnar epithelium), muscle tissues (skeletal muscle, cardiac muscle, smooth muscle), nervous tissue, and blood. Each tissue type is defined based on its cellular composition, structure, location in the body, and main functions.
Bone tissue also called (osseous tissue) is a type of specialized dense connective tissue.
Histology
Junqueira’s Basic Histology Text and Atlas, 15th Ed
CONNECTIVE TISSUE
Consists of living cells surrounded by a matrix
Type of fiber and the amount of fibers in the matrix determines the different types
Connective tissue
Dense
Collagen fibers main element in matrix
Fibroblasts
Forms strong rope like structures
Found in tendons, and ligaments
Makes up dermis
Loose
Has more cells and less fibers
Supports epithelial tissue, organs, blood vessels
Connective tissue cells
Fibroblasts
Macrophages
Mast cells
Adipocytes
TYPES OF CONNECTIVE TISSUE
AREOLAR TISSUE
ADIPOSE TISSUE
RETICULAR CONNECTIVE TISSUE
BLOOD
BONE
AREOLAR TISSUE
Most widely distributed connective tissue
mostly water
universal packing material between other tissues
wraps small blood vessels and nerves
ADIPOSE TISSUE
Stores body fat
Insulation
Organ protection
Found beneath the skin – subcutaneous
Reticular tissue
Delicate network of interwoven reticular fibers
Also called lymphoid tissue
Found in lymph nodes, spleen, and bone marrow
Produce all blood cells
BLOOD
A typical connective tissue
Transportation system
Plasma is the matrix
Fibers are soluble proteins
BONE
Rigid
Protection
Support
Matrix 2 types : compact , spongy
detail notes on connective tissue..
Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. It develops from the mesoderm. Connective tissue is found in between other tissues everywhere in the body, including the nervous system. In the central nervous system, the three outer membranes (the meninges) that envelop the brain and spinal cord are composed of connective tissue.
All connective tissue consists of three main components: fibers (elastic and collagenous fibers), ground substance and cells. Not all authorities include blood or lymph as connective tissue because they lack the fiber component. All are immersed in the body water.
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Cartilage is a resilient and smooth elastic connective tissue, a rubber-like padding that covers and protects the ends of long bones at the joints, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components.
Histology
Junqueira’s Basic Histology Text and Atlas, 15th Ed
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Bone tissue also called (osseous tissue) is a type of specialized dense connective tissue.
Histology
Junqueira’s Basic Histology Text and Atlas, 15th Ed
CONNECTIVE TISSUE
Consists of living cells surrounded by a matrix
Type of fiber and the amount of fibers in the matrix determines the different types
Connective tissue
Dense
Collagen fibers main element in matrix
Fibroblasts
Forms strong rope like structures
Found in tendons, and ligaments
Makes up dermis
Loose
Has more cells and less fibers
Supports epithelial tissue, organs, blood vessels
Connective tissue cells
Fibroblasts
Macrophages
Mast cells
Adipocytes
TYPES OF CONNECTIVE TISSUE
AREOLAR TISSUE
ADIPOSE TISSUE
RETICULAR CONNECTIVE TISSUE
BLOOD
BONE
AREOLAR TISSUE
Most widely distributed connective tissue
mostly water
universal packing material between other tissues
wraps small blood vessels and nerves
ADIPOSE TISSUE
Stores body fat
Insulation
Organ protection
Found beneath the skin – subcutaneous
Reticular tissue
Delicate network of interwoven reticular fibers
Also called lymphoid tissue
Found in lymph nodes, spleen, and bone marrow
Produce all blood cells
BLOOD
A typical connective tissue
Transportation system
Plasma is the matrix
Fibers are soluble proteins
BONE
Rigid
Protection
Support
Matrix 2 types : compact , spongy
detail notes on connective tissue..
Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. It develops from the mesoderm. Connective tissue is found in between other tissues everywhere in the body, including the nervous system. In the central nervous system, the three outer membranes (the meninges) that envelop the brain and spinal cord are composed of connective tissue.
All connective tissue consists of three main components: fibers (elastic and collagenous fibers), ground substance and cells. Not all authorities include blood or lymph as connective tissue because they lack the fiber component. All are immersed in the body water.
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
Cartilage is a resilient and smooth elastic connective tissue, a rubber-like padding that covers and protects the ends of long bones at the joints, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components.
Histology
Junqueira’s Basic Histology Text and Atlas, 15th Ed
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Every organism is composed of several different types of human body tissue. The human body tissue is another way of describing how our cells are grouped together in a highly organized manner according to specific structure and function. These groupings of cells form tissues, which then make up organs and various parts of the body.
2. Loose Ordinary Fibrous: The tissue is loose
because it’s stretchable and ordinary because it’s
one of the most widely distributed of all tissues.
Unlike the other types of connective tissue, it’s
ordinary. The bundles of collagen are a pinkish
color and the elastin fibers and cell nuclei are a
purplish color. Areolar tissue is also another
name for loose ordinary connective tissue and
contains several fibers known as fibroblasts and
macrophages. (2 pg. 135-136)
3.
4. Contains predominantly fat cells and fewer
fibroblasts, mast cells, and microphages.
Tissues form support around the kidneys and
functions as a storage place for food and
insulates material to conserve body heat. (2.
pg. 136)
5.
6. Slim, branching fibers with reticular cells that
overly to compose the reticular meshwork.
Tissues form the framework of the spleen,
lymph nodes, and bone marrow. These
tissues also function as part of the body’s
defensive mechanism from harmful
substances and microorganisms. (2, pg. 136)
7.
8. Consists of fibers packed densely in the
matrix. The bundles of fibers are arranged in
regular, parallel rows. Has predominantly
bundles of collagenous fibers and is flexible
but can have great strength. This tissue
structures in the muscle to bones, such as
tendons and ligaments (2pg. 136)
9.
10. Bundles of fibers are intertwined to form a
thick mat of strong connective tissue that can
tolerate stresses applied from any direction.
They form the strong inner skin layer known
as dermis and the outer capsule of organs
such as the kidney and the spleen. (2,pg. 136-137)
11.
12. Also called the osseous tissue, is made up of
mature cells of the bone called osteocytes and re
embedded in a unique matrix of material which
contains organic collagen and miner salts.
Osteocytes also trap and stop making new bone
matrix The bone salt, known as the inorganic
material, makes up for about 65% of the total
matrix material and is responsible for the
hardness of the bone. They are the organs of the
skeletal system which supports and protects the
muscles. (2, pg. 139-140)
13.
14. Type of epithelial tissue, which means it has
uninterrupted layers of cells, cells are attached
to each other, is polarized, and it is separated
from other tissues by a basal membrane (11).
“Stratified” meaning there is more than one
layer of cells (11).
“Cuboidal” meaning the cell is square shaped
and not flattened. It also has a round, centrally
placed nucleus (11).
This type of tissue is usually glandular tissue (11)
15.
16. Usually made up of serous or mucous
membranes (12).
Secrete enzymes, hormones, or mucous (12).
Organized into acinus, tubule and cord (12).
17.
18. Makes up embryotic skeleton (13)
Occurs in adults in the ends of bones in free-
moving joints as articular cartilage, at the
ends of the ribs, and in the nose, larynx,
trachea, and bronchi (13)
Glossy blue- white in appearance (13)
Resilient (13)
19.
20. Very strong (13).
Found in invertebral disks and at insertions of
ligaments and tendons (13).
Similar to fibrous tissues (13).
Large proportion of dense collagen bundles
oriented parallel (13).
21. Found in the ear and epiglottis (14).
Primary fibers of elastic and type II collagen
(14).
Young tissue richer in cells than adult tissue
(14).
22.
23. Considered connective tissue because it has the
same origin as other connective tissues and
connects body by delivering oxygen, nutrients
and taking away wates, CO2 and toxins (2).
Made up of leukocytes (white blood cells) and
erythrocytes (red blood cells) (2).
Hemopoiesis – constant reproduction of red
blood cells
Study histology in blood smears (2).
24.
25. · Simple squamous epithelium consists of only
one later of flat, scalelike cells
26. · Stratified squamous epithelium consists of
multiple layers of cells with flattened
squamous cells at the outer surface of the
epithelial sheet
27. · Stratified transitional epithelium is a stratified
tissue typically found in body areas such as
the walls of the urinary bladder. The ability of
transitional epithelium to stretch protects the
bladder wall and other structures that it lines
from tearing when stretched with great force
28. · Simple columnar epithelium consists of a
single layer of cells, many of which are
modified with goblet cells, cilia, and
microvilli. Simple columnar epithelium
makes up the surface of the mucous
membrane that lines the stomach,
intestine, uterus, uterine tubes, and parts
of the respiratory tract.
29. · Stratified columnar epithelium has multiple
layers of cells, however only the most
superficial layers are truly columnar in
appearance. This form of tissue is found in
very few places of the human body, such as
the male urethra.
30. · Although pseudostratified columnar
epithelium appears to be stratified, only a
single layer of irregularly shaped columnar
cells touches the basement membrane.
31. · Simple cuboidal epithelium is composed of
one layer of cuboidal cells resting on a
basement membrane. This type of epithelium
is found in many types of glands and their
ducts, as well as inside the ducts and tubules
of the kidneys.
32. Organs include the brain, the spinal chord
and the nerves
Consists of two kinds of cells: nerve cells and
neurons (2) (pg145)
33. Also called visceral muscle tissue
Found in the walls of the viscera (2)(pg143)
34. Composes muscles attached to bones
May have a length of more than 3.75cm but
have a diameter of only 10 which gives them
their threadlike appearance (2) (pgs143-144)
35. Makes up the wall of the heart
Also called striated voluntary muscles (2) (pg145)