Class notes
BIOL 105 Lab 3; Histology Notes
- Course
- Bio 105
- Institution
- Queens College
This is a comprehensive and detailed note on lab 3; histology for Biol 105. *Essential Study Material!! *For you, at a price that's worth it!!
[Show more]
Content preview
histo = tissue; histology = study of tissuecell – functional units of life; the organization of the cells determines the structure of the tissue
and its functional capabilities
tissue – ensembles of cells with similar structure and function that together carry out a specific
function; organs are made up of multiple tissue types
cell tissue organ organ system body
4 major tissue types
- connective tissue: support and protect organs and binds other tissues
o fat and other soft padding tissue
o bone
o tendons, ligaments
o collagen
- epithelial tissue: layered to withstand abrasion
o lining of GI tract organs and other hollow organs
o skin surface
o squamous
o stratified
- muscle tissue: generates force, allows movement
o cardiac muscle
o smooth muscle
o skeletal
- nervous tissue: uses electrical impulses to send signals to coordinate movement /
sensory input
o neurons, microglia, astrocytes
o brain tissue
o spinal cord tissue
structure = function
- cells have differentiated to be able to carry out specific functions
- groups of cells with similar structure and function form tissues
- multiple tissue functions that work together are an organ
epithelial tissue
- layered sheets covering an internal or external surface
o tight junctions – limit movement of substances between cells; relies on passive
transport to keep the balance
o desmosomes – specialized adhesive molecules that hold these same types of
cells / tissues together; integral
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller anyiamgeorge19. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now