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Chapter 4-Tissues
Types of tissue, epitheilium, and what they do
24
Anatomy
Undergraduate 2
01/17/2012

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Term
Tissue
Definition
Group of similar cells that have a common embryonic origin & common function
Term
Histology
Definition
Study of tissues
Term
Pathologist
Definition
Person who looks for tissue changes that indicate disease
Term
Four types of tissues
Definition
1. Epithelial
2. Connective
3. Muscle
4. Nervous
Term
Endoderm
Definition
Forms epithelial tissue. (Inside)
Term
Mesoderm
Definition
Forms epithelial, connective, & nervous tissue. (Middle)
Term
Ectoderm
Definition
Forms epithelial & nerve tissue
Term
Biopsy
Definition
Removal of living tissue for examination by surgery or needle biopsy.
Term
Simple Squamous Epithelium
Definition
Single layer of flat cells. Lungs
Term
Simple Cuboidal Epithelium
Definition
Single layer of cube shaped cells. Kidneys
Term
Non-Ciliated Simple Columnar Epithelium
Definition
Single layer of rectangular cells. Has goblet cells that secrete mucus. Absorption in the GI tract
Term
Ciliated Simple Comlumnar Epithelium
Definition
Single layer of rectangular cells with cilia. With goblet cells. Respiratory system & uterine tubes
Term
Stratified Squamous Epithelium
Definition
Several layers of thin flat cells. Skin
Term
Simple Columnar Epithelium
Definition
Single layer of rectangular cells
Term
Transitional
Definition
Multilayered. Cell shape and size vary. Found in urinary bladder
Term
Ciliated Pseudo-Stratified Columnar Epithelium
Definition
Single cells layer with goblet cells
Term
Glandular Epithelium
Definition
Tissue that developes below the surface during developement
Term
Exocrine
Definition
Glandular Epithelium that secretes product into a duct or into a body cavity or to the outside of the skin. Sweat, saliva, & digestive enzymes
Term
Merocrine
Definition
Exocrine gland which releases products by exocytosis. Saliva, digestive, & sweat glands
Term
Apocrine
Definition
Exocrine gland looses part of the cell. Some Sweat glands and milk secretions
Term
Holocrine
Definition
Exocrine oil gland that the whole cells die & rupture to release their products. Oil secretions
Term
Endocrine
Definition
Glandular Epithelium that secretes hormones. Pituitary gland, ovaries, & testes
Term
-Blast
Definition
Baby cells
Term
-Cyte
Definition
Mature cells that cannot divide or produce matrix.
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