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TISSUES all questions solved 100 accurately latest version
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TISSUESTissue-✅✅ group of cells that usually have a common embryonic origin
and function together to carry out specialized activities
✅✅ Cells are arranged in ____ that provide specific functions for
tissues-
the body.
Histology-✅✅ is the science that deals with the study of tissues
Pathologist-✅✅ is a physician who specializes in laboratory studies of
cells and tissues to help other physicians make accurate diagnoses
Epithelial, Connective, Muscle, and Nervous- ✅✅ Types of tissues
✅✅
Epithelial tissue- Protection, secretion, absorption, excretion.
Covers body surfaces and lines hollow organs, body cavities, and ducts. It
also forms glands.
Connective tissue- ✅✅ Bind, support, store fat, and produce cells
Widely distributed throughout the body
Muscle tissue-✅✅ Movement
Attached to bones, in the walls of hollow internal organs
Nervous tissue- ✅✅ Transmit impulses for coordination, regulation,
integration, and sensory reception
Simple Squamous Epithelium- ✅✅ made up of a single layer of thin,
flattened cells.
Because it is suited for diffusion, it functions in the exchange of gases in
the lungs and lines blood and lymph vessels as well as
body cavities.
, Simple Cuboidal Epithelium- ✅✅ consists of single layer of cube-shaped
cells with centrally located nuclei.
It functions in secretion and absorption in the kidneys, and in secretion in
glands.
Simple Columnar Epithelium- ✅✅ is made up of a row of elongated cells
whose nuclei are all located near the basement membrane. It may be
ciliated.
It lines the uterus, stomach, and intestines where it protects underlying
tissues, secretes digestive fluids, and absorbs nutrients.
In the intestine, these cells posses microvilli that increase the surface area
available for absorption Mucus-secreting goblet cells can be found among
columnar cells.
Pseudostratified Columnar Epithelium- ✅✅ These cells appear layered
due to the varying positions of their nuclei within the row of cells,
but are not truly layered.
Cilia may be present, along with mucus-secreting goblet cells, that line and
sweep debris from respiratory tubes.
Stratified Squamous Epithelium- ✅✅ This type of tissue is made up of
layers of flattened cells that are designed to protect underlying layers.
It makes up the outer layer of skin, and lines the mouth, throat, vagina, and
anal canal.
Keratinization-✅✅ In the skin, outer layers of cells undergo _____;
however, this process does not occur where tissues remain moist in the
throat, vagina, or anal canal.
Stratified Cuboidal Epithelium-✅✅ This tissue consists of two to three
layers of cuboidal cells lining a lumen of the mammary glands, sweat
glands, salivary glands, and pancreas.
Several layers of cells provide greater protection than one single layer.
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