Tissue Types

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1

Simple Squamous

Single layer of flattened cells with disc nuclei

Allows material to pass by diffusion and filteration

Kidney, air sacs of lungs, lining of heart, blood vessels

2

Simple Cuboidal

Single layer of cube like cells with circle nuclei

Secretion and Absorption

Kidney tubules, ovary surface, ducts and secretory portions of small glands

3

Simple Columnar

Single layer of tall cells with oval nuclei

Absorption; secretion of mucus; ciliated type propels mucus

Stomach, rectum, gallbladder, excretory duct

4

Psuedostratified Columnar

Single layers of cells differing in heights

Secretes substances, particularly mucus,

Male sperm ducts, ducts of large glands, trachea

5

Stratified Squamous

Several layers, surface cells are flat, basal are cuboidal

Protects underlying tissue from abrasions

Esophagus, mouth, and vagina; epidermis of skin

6

Stratified Cubodial

Generally two layers of cubelike cells

Protection

Sweat glands, mammary glands, and salivary glands

7

Stratified Columnar

Several Layers, basal cells are cuboidal, superficial cells elongated

Protection; secretion

Rare in body; small amount in male urethra

8

Transitional

Several layers, surface cells are dome shaped or square shaped

Stretches readily and permits distension

Lines the ureters, urinary bladder

9

Mesenchyme

Embryonic connective tissue, gel like fibers, star shaped cells

Give rise to all other connective tissue

In Embryo

10

Loose Areolar

Gel like matrix with all three fibers, cells include fibroblasts, macrophages, and some WBC

Wraps and cushions organs, plays important role in inflammation

Under epithelia of body, forms lamina propria of mucous membranes, surrounds capillaries

11

Loose Adipose

Martix is sparse, closely packed fat cells,

Provides reserves fuel, insulates, supports and protects organs

Under skin, surrounds kidneys and eyeballs, in breasts

12

Loose Reticular

Network of reticular fibers in a loose ground substance

form a soft internal skeleton that supports other cell types; WBC, mast cells, and macrophages

Lymph nodes, bone marrow, and spleen

13

Dense Regular

Parallel collagen fibers; a few elastic fibers, mostly fibroblast

Attaches muscles to bone or other muscles, bone to bone, withstands great tensile stress when pulling force is applied in ONE direction

Tendons, most ligaments

14

Elastic Tissue

Dense regular connective tissue containing a high proportion of elastic fibers

Allow recoil of tissue following stretching

Walls of large arteries, within walls of bronchial tubes

15

Dense Irregular

Irregular arranged collagen fibers, some elastic, major cell is fibroblast

Able to withstand tension exerted in many directions; provides structural strength

Fibrous capsules of organs and joints, dermis of skin,

16

Hyaline

Chondroblasts produce matrix, turn into chondrocytes in lacuna, firm matirx

Supports and reinforces; serves as resilient cushion, resisits compressive stress

Cover ends of large bones in join cavities, cartilage of nose, trachea, and larynx

17

Elastic

Chondrocytes in lacuna, matrix of elastic fibers

Maintains shape of a structure with flexibility

Supports external ear, epiglottis

18

Fibrocartilage

Matrix is less firm, thick collagen fibers

Tensile Strength with the ability to absorb compressive shock

Intervertebral discs, pubic symphysis, discs of knee joints

19

Bone (Osseous Tissue)

Hard, calcified matrix

Bone supports and protects, levers for muscles to act on, stores calcium and other minerals, inside bone is blood cell formation

Bones

20

Blood

Red and White blood cells in a fluid matrix

Transport of respiratory gases, nutrients, wastes

In Blood vessels

21

Skeletal Muscle

Long, cylindrical, multinucleate cells

Voluntary movement; locomotive, facial expressions,

In skeletal muscles attached to bones or skin

22

Cardiac Muscle

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