Anatomy Lab #1: Part 4 Tissues Flashcards
What is a tight junction?
Water tight connection between 2 adjacent cell membranes
What is an anchoring junction
Non-Water tight connection between 2 adjacent cell membranes
Define Apical Surface
Exposed/lumial (top) surface
Basal surface
Non-exposed/luminal surface attached to basement membrane
Endothelium
Simple Squamous Epithelium in blood vessels
Mesothelium
Simple Squamous Epithelium in body cavities
Exocrine gland
Ducted gland
Endocrine gland
Ductless gland
What are the 2 layers of the basement membrane
Basal Lamina (Superficial) and Reticular Lamina (Deep)
True or False: Epithelial tissue is avascular
True
True or False: Epithelial tissue is innervated
True
True or False: Epithelial tissue has a high mitotic rate
True
Where would you find stratified squamous epithelium?
Skin, Mouth
Where would you find transitional epithelium?
Bladder
Where would you find simple cuboidal epithelium?
Kidney Tubules
Where would you find simple columnar epithelium?
GI Tract
Where would you find pseudostratified columnar epithelium?
Respiratory Tract
Most connective tissue is innervated
True
Most connective tissue is vascularized
True
What is the matrix composed of?
Ground substance & fibers
What ground substance provides for joint lubrication?
Hyaluronic acid
Name the three types of fibers that are found in the connective tissue matrix.
Collagen, Elastic,
Reticular
What type of connective tissue forms all other kinds of connective tissue?
Mesenchyme
What kind of cells make up adipose tissue?
Adipocytes
What kind of connective tissue are tendons & ligaments?
Dense regular CT
What type of connective tissue forms the subcutaneous layer of the skin?
Areolar CT or loose
What type of connective tissue is found in membrane capsules surrounding organs?
Dense irregular CT
What substance gives cartilage its strength?
Collagen
What are intercalated discs? What is the function of gap junctions?
Connections between cardiac muscle cells that contain adhering & gap junctions. Gap junctions
allow molecules to diffuse between the cells’ cytoplasm to allow for communication
What are neurons?
Nerve cells
What are neuroglia?
Cells that support (structurally & metabolically) neurons
What are dendrites?
Receptive portions of the neuron; receives information
What is an axon?
Long, cylindrical portion; conveys information to the next cell