Histology Quiz Bio 250

Simple Epithelium ?

1 layer of cells

Histology

Study of tissue

Epithelium

Cover surface, line cavities, form glands

List four major tissues?

Epithelial, Connective, Muscle, and Nervous

Epithelium is connected to underlying connective tissue by?

basement membrane

Stratified Epithelium

More than one layer of cells

Simple Squamous

Thin, flat irregular border

Simple Cuboidal

Box shape cell

Simple Columnar

Tall, Rectangle cell and the nuclei is at the bottom of the cell

Stratified Squamous

Cubed liked at the bottom of the cell and flat at the top

Transitional

Cells can change shape

Pseudostratified Ciliated Columnar

False

Areolar

Losses irregular arrangement of fibers and cells ( collagen, elastic, reticular, and fibroblasts fibers)

Adipose

Primary cell type is adipocyte and contains large lipid droplets

Dense Regular

Regular arrangement of tightly package collagen fibers and scattered fibroblasts

Blood

Cell suspended in plasma ( Erythrocytes, Leukocytes and Platelets)

cartilage

Matrix of glands substance complexed with carbohydrates with found in lacunae

Bone

Matrix of collagen and calcium salts with osteocytes found in lacunae ( central canal and canaliculi)

Skeletal Muscle

Long, cylinder shape cells (Multinucleated and striated )

Smooth Muscle

Layers of fusiform cells ( Single centrally located nucleus and lack striations)

Cardiac Muscle

Rectangle, branched cells

Nervous Tissue

Large, star shape neurons surrounded by scatter neurula

What are Simple Squamous Functions?

Allows for diffusion and good for short distance but not for long distance

What is Simple Cuboidal Function?

Produces Secretions

Where is Simple Columnar Functions?

Use in body for absorption and resist chemical stress

What are the Stratified Squamous Functions?

Resist physical stress and resist pathogens

What are Transitional Functions?

Withhold stretching and recoiling

Pseudostratified Ciliated Columnar Functions?

Produced secretion, protection, and movement

What is Simple Squamous Location?

Lungs and Capillaries

What is Simple Cuboidal Location?

Thyroid Gland and Kidney Tubules

What is Simple Columnar Location?

In the Intestines

What is Stratified Squamous Location?

Skin, Lining of Esophagus and the Vagina

What is Transitional Location ?

Urinary Bladder

What is Psuoedstartified Ciliated Columnar Location?

Trachea

Which Simple Epithelium has free surface?

Simple Cuboidal

What hold the cells together?

Cell Junctions

What Simple Epithelium is paper like?

Simple Squamous

What are Areolar function?

Cushion on organs

Where is Areolar Located?

Under skin and surrounding organs

What are Adipose Function?

Insulation, energy storage, padding

Where is Adipose Located?

Underlying skin eye sockets

What are the Dense Regular CT Functions?

Resist force in one direction

Where is Dense Regular Located?

Tendons and Ligaments

What are the functions of blood?

Transport

Where is Blood Located?

Within the blood vessels

what are the type of cartilage SCT?

Hyaline, Elastic and Fibrocartilage

What are the functions of cartilage?

Provide structural support

What are the functions of bones?

Provides structural support

Where is Bone located?

Skeleton

What are the functions of Skeletal Muscle?

Locomotion, body movements

Where is Skeleton Muscle Located?

Muscle System

Where is smooth muscle located?

In walls of hollow organs

What are the function of smooth muscle?

Move material through organs

What are the functions of Cardiac Muscle?

Pumps in blood

Where is Cardiac Muscle Located?

In the heart

What are the functions of Nervous Tissue?

Propagate electrical impulse

What is the location of the Nervous Tissue?

Brain, spinal cord and neurons

What tissue is voluntary?

Skeletal Muscle

What tissues are involuntary?

Smooth and Cardiac Muscle