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Chapter 5
Histology
Anatomy & Physiology
Epithelial Tissue
Types
Functions
Simple cuboidal
Simple columnar
Pseudostratified ciliated
Stratified squamos (keratinized)
Stratified squamos (nonkeratinized)
Stratified columnar
Transitional
Protection
Sensory Functions
Secretion
Absorption
Excretion
General
Avascular
Simple squamous
Simple squamous lining of lung
Simple cuboidal
Simple columnar
Pseudostratified ciliated
Stratified squamous
Stratified squamous
Transitional
Exocrine glands in stomach
sec
ret
e
thei
r
pro
duc
t
fro
m
inta
ct
entire
cells and
their
secretio
ns
accumul
ate as
the
gland's
secretor
y
accumulate
their
secretory
product at
the apical
surface of
each cell,
then
separates
from the cell
to form a
secretion in
the lumen of
the gland.
Connective Tissue
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Areolar (loose, ordinary)
Adipose
Reticular
Dense fibrous (regular)
Dense fibrous (irregular)
Bone
Hyaline cartilage
Fibrocartilage
Elastic cartilage
Blood
Fibrous connective
Bone
Cartilage
Blood
Functions
Structural support
Metabolic components
Blood components
Defense
Connective Tissue ALL have matrix + ground substance
Areolar
Ground substance
(Loose, ordinary)
Matrix
Adipose
Fat Storage Areas
Reticular
Dense Fibrous
(Regular)
Parallel fibers
Dense Fibrous
(Irregular)
Bone
Functions
a. Support for muscles,
organs, and soft tissues.
b. Leverage and
movement
c. Protection of vital
organs
d. Calcium phosphate
storage
e. Hematopoiesis formation of blood cells
Hyaline
a. exists on the ventral ends of ribs; in the larynx, trachea, and bronchi; and on
the articular surface of bones.
b. slimy mass of a firm consistency, but of considerable elasticity
c. contains no nerves or blood vessels
Trachea cross-section
Fibrocartilage
a. found in the pubic symphysis, intervertebral discs, meniscus
b. looks like dense regular connective tissue, but may be distinguished from them
by being surrounded by a concentrically striated area of cartilage matrix,
their lacunae, and by being less flattened.
Elastic
a. present in the outer ear, larynx, and epiglottis
b. Elastic fibers stain dark
c. Very flexible
Blood
Plasma
a. yellow liquid component of blood
b. 55% of the total blood volume
c. mostly water (92% by volume), dissolved proteins, glucose, clotting
factors, mineral ions, hormones and carbon dioxide
Cells
a. erythrocytes (“red cell”)
1. most common type of blood cell
2. principle means of distributing O2
b. leukocytes (“white cell”)
1. defend the body against both infectious disease and foreign
materials
c. thrombocytes
1. main purpose for blood clotting
Erythrocytes (RBS)
Thrombocytes (platelets)
Leukocytes (WBS)
Muscle Tissue
1. Skeletal
2. Smooth
3. Cardiac
Skeletal
Smooth
Cardiac
Nervous Tissue
Tissue Repair
Keloid