{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

BI13_Ch4 PP Outline - 1 2 Tissue The Living Fabric Chapter...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Tissue: The Living Fabric Chapter 4 2 Goals Be able to define a what a tissue is Know the four basic types and their function Know the structure and function of the various types of epithelial tissue Know the structure and function of the various types of connective tissue Describe 3 types of body membranes Where are they located? What tissues are they made of? 3 What is a Tissue? Tissues are groups of similar cells that have a common function 4 Basic Types Epithelial Covers surfaces Connective tissue Supports and protects Muscle Allows movement Nervous tissue Controls everything 4 Epithelial Tissue Characteristics Classification Types Glandular Epithelia 5 Epithelial Tissue Does More Than Just Cover Protection Skin Absorption Respiratory Digestive Filtration Kidneys Secretion Glands 6 Epithelial Cells Are Polar Have two very di erent surfaces Apical Upper surface exposed to the body exterior or internal cavity Basal Lower attached surface 7 Apical Surface Structures Microvilli
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Microvilli Finger-like extensions that increase surface area Intestines or Kidneys Cilia Small “hairs” that move substances along surface Trachea 8 Basal Surface Structures Basil lamina/ basement membrane Thin supporting sheet of protein Separates from connective tissue below Filters material di using in from connective tissue 9 Epithelial Cells Make Special Contacts Fit tightly together Tight junctions, and gap junctions Form impenetrable barrier Keeps apical membrane proteins from di using to basal side Have six sides Aids in tight packing 10 Epithelial Tissue Has Nerves but Not Blood Vessels Innervated: nerve fibers are present Allows tissue to sense stimuli Avascular: contain no blood vessels Food and oxygen di use through basement membrane from blood vessels in connective tissue 11 Epithelial Tissue Can Regenerate Covering surfaces is dangerous
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}