1. Four tissue types - ANS ✓epithelial, connective, muscle, nervous
2. Epithelial tissue - ANS ✓-cells arranged in sheets
-have an apical (free) side and a basal side (attached to basement membrane)
-covers exposed surfaces of body
-lines internal passageways + organs
-forms endocrine + exocrine glands
3. Epithelial cell arrangement - ANS ✓-Simple = 1 layer
-Stratified = multiple layers
-Pseudostratified = column shaped multiple layers
4. Epithelial cell shapes - ANS ✓-squamous: thin and flat
-cuboidal: cube-like
-columnar: long, column-like
5. Simple squamous epithelium - ANS ✓single layer of flattened cells
BIOS251 EXAM
, 2
BIOS
Ex. Lines blood vessels
6. Simple cuboidal epithelium - ANS ✓single layer of cube shaped cells
Ex. Bronchioles in lungs
7. Simple columnar epithelium - ANS ✓Made up of a single layer of tall
cells that fit closely together
Ex. Female reproductive system
8. Stratified squamous epithelium - ANS ✓Outer layer of skin
Ex. Outer layer of skin
9. Transitional epithelium - ANS ✓urinary bladder, stretches and retracts
Ex. Urinate bladder
10. Epithelial glands - ANS ✓merocrine, apocrine, holocrine
11. merocrine glands - ANS ✓Secretions released from secretory
vesicles via exocytosis at the apical surface
12. Apocrine glands - ANS ✓Apical portion of cytoplasm becomes
packed w/ secretory vesicles and is shed
BIOS251 EXAM
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 DoctorKen. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
