Back to AI Flashcard MakerAnatomy and Physiology /Anatomy & Physiology Lec & Lab : Lab Exam 1 Histology Part 1
Anatomy & Physiology Lec & Lab : Lab Exam 1 Histology Part 1
This deck covers key concepts in histology, focusing on tissue types, properties, and functions. It includes definitions, classifications, and locations of various epithelial tissues, as well as details about nervous and connective tissues.
Histology
The study of tissue structure and function
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Key Terms
Term
Definition
Histology
The study of tissue structure and function
4 Tissue types
Epithelial; Connective; Muscle; Nerve
2 primary components of tissue
Cells of similar function; Non-living “Extracellular-Matrix”
Epithelial basic properties
Highly cellular (Composed almost entirely of cells); Little extracellular matrix; Avascular; Innervated; Regenerative
Regenerative
Easily replaces lost cells by cell division
Avascular
Lack of blood cells
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| Term | Definition |
|---|---|
Histology | The study of tissue structure and function |
4 Tissue types | Epithelial; Connective; Muscle; Nerve |
2 primary components of tissue | Cells of similar function; Non-living “Extracellular-Matrix” |
Epithelial basic properties | Highly cellular (Composed almost entirely of cells); Little extracellular matrix; Avascular; Innervated; Regenerative |
Regenerative | Easily replaces lost cells by cell division |
Avascular | Lack of blood cells |
Innervated | supplied by nerve fibers |
Complexity Classification of Epithelial | Simple or Stratified |
Shape Classification of Epithelial | Squamous; Cuboidal; Culumnar |
Epithelial Important functions | Lines the body cavities and structures (Protection & Lubrication); Secretion of substances (Sweat); Absorption of substances (Intestines, kidneys) |
What is Simple Squamous epithelial | single layer of flattened cells with a disc shaped nuclei |
Functions of simple squamous epithelial | diffusion and filtration; provide a slick, friction-reducing lining in lymphatic and cardiovascular systems |
location of simple squamous epithelial | Lining of the heart; Blood vessels; Lining of ventral body cavities; Air sacs of lungs |
What is the simple cuboidal epithelial | Single layer of cube-like cells with large, circular central nuclei |
Function of simple cuboidal epithelial | Absorption and Secretion |
Location of simple cuboidal epithelial | Ducts & secretory glands; Ovary surface |
What is simple culumnar epithelial | Single layer of tall cells with an oval nuclei; many contain cilia |
Function of simple culumnar epithelial | secretion and absorption |
Location of simple culumnar epithelial | Most of the digestive tract; Gallbladder; Some regions of the uterus |
What is pseudostratified columnar epithelial | Single layer of cells of differing heights |
What is stratified squamous epithelial | Thick membrane composed of several layers of cells, (Basal cells are cuboidal or culumnar) |
Function of stratified squamous epithelial | Protection of underlying tissues in areas subject to abrasion |
Where is stratifies squamous epithelial located | Linings of esophagus, mouth, and vagina; Epidermis of the skin |
stratified cuboidal and culumnar epithelial | very rare in the body, typically 2 layers thick |
What cells make up Nervous tissue | Neurons |
Neurons | Neurons are branching cells |
Nervous tissue function | Transmits electrical signals from sensory receptors to effectors |
Location of Nervous Tissue | Brain; Spinal cord; Nerves |
Types of Connective tissue | Loose Connective | Dense Connective |
Types of Loose connective tissue | Aerolar | Adipose |