Tissue Test Flashcards
Three types of epithelial
Covering
Lining
Glandular
General features of ET
Closely packed cells Layers Many cell junctions Have definite top and bottom Avascular NO BLOOD VESSELS Attached to basement membrane Nerve supply Hi mitotic rate Derived from all 3 germ layers
Simple squamous
Description: one thin flat layer
Location: lungs,kidney
Function: osmosis, filtration, diffusion
Simple cubodial
Description: one layer of cubes
Location: ovaries,kidneys,eyes,glands
Functions: secretion, absorption
Simple columnar
D: layers or columns
Location: digestive tract
Function: secretion of mucus
Ciliated simple columnar
D: 1 layer of columns
L: upper respiratory tract and uterus
Function: moving fluids or particles
Stratisfied squamous
L: skin, vagina, mouth, anywhere with friction
F: protect
Stratisfied cubodial
Multiple layers with top cube
Location: ducts of larger glands
Function: protect and secrete
Stratified columnar
Columns
Location: male urethra, ducts of some glands
Function: protect
Transitional
Several layers varying shape
Location: bladder
Function: stretching
Pseudostratisfied
Location: ear tubes, large ducts o large glands
Function: secrete and move mucus
Endothelium. Where.
Simple squamous that lines the ❤️ and blood vessels
Mesothelium. Where.
Simple squamous that lines body cavities
Exocrine glands vs. endocrine glands. Example of each.
exocrine (have a duct) SWEAT
endocrine (no duct, right into the stream o blood) HORMONES
3 Types of exocrine
Apocrine- pinch
Merocrine- exocytosis
Holocrine- die
General features of connective tissue
Few cells Large matrix All from mesoderm Do not appear on free surface of body Varying degrees of vascularity Nerves
Where do connective tissues come from
Mesoderm
-cyte and -blast
Cyte is old.
Blast is immature and makes fibers
Chondro
Osteo
Fibro
Chondro is cartilage
Ostero is bone
Fibro is connective tissue (loose and dense)
Fibroblasts
Build fibers
Macrophages
Eat stuff for body WHITE BLOOD CELLS
Plasma cells
Form matrix of blood
Mast cells
Initiate inflammatory response
Adipocytes
Make fat
What forms the matrix of connective tissue
Ground substances and fibers
Collagen
Made of collagen, stretches
Reticular
Reticulun
Support
Elastic
Elastin
Stretch
Two principal cells of nervous tissues and their functions
Neutrons- conduct impulses
Neuroglia- support cells
Nervous cell 3 parts
Cell body
Axon- SAUSAGE LINKS AND LEG
dendrite- short little poos
3 kinds of cartilage
Hyaline
Elastic
Fibrocartilage
Loose connective areolar
Semi fluid all 3 fibers
Beneath ET
DIFFUSING NUTRIENTS
Dense irregular tissue
Lots of fibers in rando direction
Under skin
Stretches and provides strength
Harry Potter and the goblet of
Mucous
Which one is ciliated
Collumnar
Dense regular tissue
Lots of fibers in same direction
Tendon ligaments
Stretches and provides strength
Elastic connective tissues
Elastic fibers and fibroblasts
Lungs arteries
Stretchy
Adipose tissues
Adipcytes
Found in fat
Insulates
Hyaline cartilage
Fine collagen. Gel-type matrix
Ends of bones in respiratory structure
(Flexible) reduces friction
Elastic cartilage
Thread like fibers with matrix
Auditory tubes, outer ear
Supports and maintains shape
Fibrocartilage
Bundles of collagen in matrix
Pubic symphysis, intervertebral discs
Support and fusion
Bone
Mineral salts, osteocytes, surrounded by peristium
In bones
Structural
Blood
Plasma and formed elements
In blood and veins
Transport phagocytosis
Reticular connective
Fine interlacing fibers
Spleen liver and lymph nodes
Forms stroma, binds smooth muscle
Synovial memebranes
In between the joints to reduce friction
Cutaneous membrane
The skin
Keratin
Makes skin ooo layer
