Histology Flashcards
4 types of tissues in the body
- Epithelium
- Connective
- Muscle
- Nervous
2 functions epithelium tissue does?
- covers body surfaces
- lines structures
4 functions connective tissue do?
- Protects
- Binds
- immunity
- stores fat
muscle tissue does what?
contraction
2 functions of nervous tissue?
- detects stimuli
- transmits nerve impulses
2 functions of epithelial tissue?
- covers and lines
- glandular
5 general features of epithelium tissue?
- Cellular
- has surfaces
- avascular
- innervated
- mitotically active
Define cellular
cells in continuous sheets in single or multiple layers
5 type of surfaces epithelium tissue has?
- free
- barriers
- secretory and protective
- lateral
- basal
Define avascular
no blood supply
Define innervated
has nerve supply
Define mitotically active
cells divide to produce a new population
3 basic shapes of epithelium tissue?
- Squamous
- cuboidal
- columnar
function of glands?
- secretion
2 types of glandular epithelium?
- exocrine
- endocrine
exocrine tissue does what?
secretes into ducts and other
endocrine tissue does what?
secrete directly into the blood.
3 substances of connective tissue?
- ground substance
- protein fibers
- specialized cells
3 types of protein fibers?
- collagen
- elastic
- reticular
combine ground substance & protein fibers what do you get?
extracellular matrix
5 cells found in connective tissue?
- fibroblasts
- macrophages
- plasma cells
- mast cells
- adipocytes
3 functions muscle tissue does?
- body movement
- generates heat
- maintains posture
3 types of muscle tissue?
- skeletal muscle
- smooth muscle
- cardiac muscle
nerve tissue does what?
send and receive messages
2 structures of nervous tissue are?
- Neuron or nerve cells
- Neuroglia
Define neuroglia
support and nourish nervous tissue
What is a membrane?
combination of epithelial and connective tissue
4 types of membranes?
- Mucous
- serous
- synovial
- cutaneous (skin)
mucous membrane does what?
lines body cavities to exterior
2 functions the serous membrane does?
- line cavities
- covers organs in cavities.
synovial membrane does what?
lines cavities of joints
2 parts the serous membrane has?
- parietal
- visceral
8 epithelium tissue?
- simple squamous
- simple cuboidal
- simple columnar
- stratified squamous
- stratified cuboidal
- stratified columnar
- ciliated peudostratified columnar
- transitional
3 loose connective tissue?
- Areolar
- Adipose
- Reticular
3 dense connective tissue?
- Dense regular
- Dense irregular
- Elastic
4 supportive connective tissue?
- Hyaline Cartilage
- Elastic cartilage
- Fibrocartilage
- Bone
What is the one fluid connective tissue?
Blood
cell of a nervous tissue is called what?
Giant multipolar neuron
chondrocytes in lacuna are what?
cells in cartilage tissue
What are the 3 components common to all types of connective tissue?
- Collagen
- Elastic
- Reticular
What are the 4 types of connective tissue?
- Loose
- Dense
- Supportive
- Fluid
3 Characteristics of loose connective tissue?
- softer
- more cells
- fewer fibers
3 structures of dense tissue?
- Collagen fibers
- tendons
*ligaments
2 parts of the neuron
- cell body
- processes
2 structures of a neuron’s cell body?
- nucleus
- metabolic center
2 functions of the neuron’s processes?
- carries messages
- makes nerve impulses
4 types of membranes in the body
- Epithelial
- Cutaneous
- Mucous
- Serous
2 tissue type cutaneous membrane is composed of?
- stratified squamous
- connective
2 tissue type mucous membrane is composed of?
- stratified squamous
- simple columnar
2 tissue type serous membrane is composed of?
- simple squamous
- areolar
2 locations is cutaneous membrane found?
- epidermis
- dermis
4 locations mucous membrane is found?
hollow organs of the:
* respiratory
* digestive
* urinary
* reproductive tracts
location serous membrane is found?
- closed body cavities
Define tissue
group of cells specialized performing a specific function
Define chondrocytes
cartilage cells
Define lacuna
depression or space in bone or cartilage
Define histology
study of tissues
Define Goblet cells
individual cells that produce mucus
Define endothelium
tissue makes single layer of cells