Histology Flashcards
Lines, covers, and protects other tissues and organs.
Cells tightly junked together
The presence of a cell secretion called the basement membrane
EPITHELIUM TISSUE
Cells very thin, much wider than they are thick.
Squamous Epithelium
LOCATION:
Air sacs of respiratory
Lining of blood vessels, heart, and lymphatic tubes
SIMPLE SQUAMOUS
LOCATION:
Skin
Vagina
Esophagus
Mouth
STRATIFIED SQUAMOUS
Cells cube-shaped-
* secretion and absorption.
LOCATION:
Kidney tubules
Duct and small glands
Surface of ovary
CUBOIDAL EPITHELIUM
Elongated cells, much longer than they are wide.
CULUMNAR EPITHELIUM
A single layer of cells that line the digestive tract, gallbladder, and excretory ducts of some glands. Has microvilli at surface for absorption
SIMPLE CULUMNAR
Lines the bronchi, trachea, uterine tubes and some of the uterus. Propels mucus or reproductive cells by ciliary action
PSEUDOSTRATIFIED CILIATED CULUMNAR
Characterized by the cells widely separated from each other in a matrix that is produced by the cells
CONNECTIVE TISSUE
Gel like ground with both elastic and non-elastic fibers running though the ground in many directions.
Wraps and cushions organs
Under the skin
LOSE CONNECTIVE TISSUE
Nuclei and fibers arranged in parallel rows.
Tendons and ligaments
Fibers mostly non-elastic
DENSE REGULAR CONNECTIVE TISSUE
Function as storage cells for adipose (lipids)
cells contain a large vacuole which in the live cell contains lipids.
Cell nucleus and cytoplasm are pushed out to edge of cell membrane
ADIPOSE TISSUE
Ground of matrix is gum like.
Cells are found in Lacunae within the matrix.
Fibers may be elastic or non-elastic, or a form of non-elastic called reticular(where the non-elastic fibers of very thin)
CARTILAGE
on the ends of bones
HYALINE CARTILAGE
ear cartilage
ELASTIC CARTILAGE
nose cartilage
NON-ELASTIC CARTILAGE
Ground of matrix is Solid (Calcium carbonate).
Has blood supply and nerves running through the Haversian canal systems
OSSEUS TISSUE
Liquid matrix = plasma
90% water
10%Plasma proteins, electrolytes, hormones, oxygen, glucose etc.
VASCULAR TISSUE
CARRIES OXYGEN
ERYTHROCYTES
FIGHTS INFECTIONS
LEUKOCYTES
RESPONSIBLE FOR BLOOD CLOTTING
THROMBOCYTES
WITH CYTOPLASMIC GRANULES
GRANULOCYTES
HAS 3-5 LOBED NUCLEUS
NEWTROPHIL
HAS 2 LOBED NUCLEUS
EOSINOPHIL
HAS 5 S SHAPED NUCLEUS
BASOPHIL
With homogenous cytoplasmic
Agrenolucyte
with large and dense nucleus
Lymphocyte
Largest leukocyte
shaped like kidney or horseshoe
Monocyte
Tissue with cells having fibers specialized for contraction
Muscle cells
Parallel elongated cells (fibers)
multinucleated and each cell is the length of the muscle.
Light meat, Dark meat—Slow twitch, fast twitch muscle
Skeletal Muscle
Cells are long and tapered.
Organized into sheets of muscle
Smooth muscle
Intercalated disc
Myogenic
branched
Cardiac Muscle
Cells specialized to polarize and depolarize
Nervous tissue
