Tissue

Question 1

Group of cell with similar structure and function

Answer 1

Tissue

Question 2

Study of tissue

Answer 2

histology

Question 3

A physician who study cell and tissue

Answer 3

Pathologist

Question 4

Protein structures that physically connect cells to one another

Answer 4

Cell Junction

Question 5

It binds adjacent cell together
Ex. Intestine

Answer 5

Tight Junction

Question 6

Mechanical links that bind cell

Answer 6

Desmosomes (cadherins)

Question 7

Help epithelial surfaces resist separation during contractile activities

Answer 7

Adherens (cadherins)

Question 8

It bind cell to the basement membrane

Answer 8

Hemidesmosomes (integrins)

Question 9

Small channel that allow molecule to pass between cell
Allow cell to communicate
Most common

Answer 9

Gap Junction (connexins)

Question 10

Types of Tissue

Answer 10

Epithelial tissue
Connective tissue
Nervous tissue
Muscle tissue

Question 11

Covers body surfaces and lines hollow organs, body cavities, and ducts; also forms glands

Allow the body to interact with both its internal and externak environment

Answer 11

Epithelial Tissue

Question 12

Hallmarks of epithelial tissue

Answer 12

-Cover and line body surface
-Often form sheet w/ one free surface
-Avascular (no blood supply)
-Regenerate easily if well nourished

Question 13

Arrangement of layers

Answer 13

1. Simple
2. Pseudostratified
3. Stratified

Question 14

A single layer that is orderly arrange

Answer 14

Simple

Question 15

A single layer that is elongated

Answer 15

Pseudostratified

Question 16

More that 2 layer of cell that not all are connected or lies on the basement membrane

Answer 16

Stratified

Question 17

Cell Shape

Answer 17

1. Squamos
2. Cuboidal
3. Columnar
4. Transitional

Question 18

It is cell shape that is flat or scalelike
Rapid passage of substances

Answer 18

squamous

Question 19

It is a cell shape that is cube-shaped or like ano tinapay na nakadikit dikit parang abs
May have microvilli
For secretion and absorption

Answer 19

cuboidal

Question 20

It is a cell shape that is elongated, tall and thin rather than wide
Secretion and absorption and protect underlying tissue

Answer 20

Columnar

Question 21

It changes shape from squamos to cuboidal and back, as organs like urinary bladder stretch (distend) to a larger size then collapse to a smaller size

Answer 21

Transitional Cell

Question 22

Single layer flat cell that resembled a tiled floor, centrally located nucleus that is flattened and oval or spherical in shape

Located at endothelium and mesothelium

Present at site of filtration (blood&kidney) or diffusion (diffusion of oxygen into blood vessel of lung), site of excretion in serous membrane. Not found in body areas subject to mechanical stress (tear &

Answer 22

Simple Squamos Epithelium

Question 23

Cardiovascular and lymphatic system (heart, blood vessel, lymphatic vessel)

Answer 23

Endothelium

Question 24

Layer of serous membrane

Answer 24

Mesothelium

Question 25

Single layer of tall, narrow cell, which some have cilia Movement of particles out of the bronchioles of the lungs by ciliated cell Located at Glands and some ducts, bronchioles of lungs, outditory tubes, uterus, uterine tubes, stomach, gallbladder, small intestines, and ventricles of the brain

Answer 25

Simple Columnar Epithelium

Question 26

This epithelial type is relatively rare, and is found in sweat gland ducts, and ovarian follicular cell, and salivary glands For absorption, secretion, and protection

Answer 26

Stratified cuboidal epithelium

Question 27

consistas of more than one layer of epithelial cell but only the surface cell are columnar

Answer 27

Stratified columnar epithelium

Question 28

Stratified cell that appear cuboidal when the organ or tube is not stretched and squamos when it is by fluid Accomodated fluctuations in the volume of liquid in organ or a tube, protect agains the caustic effect of urines Lining of urinary bladder, ureter, superior urethea

Answer 28

Transitional Epithelium

Question 29

Two major gland types develop from epithelial sheet

Answer 29

Endocrine Glands Exocrine Glands

Question 30

Ducless; secretion (hormones) diffuse into blood vessel Ex: Thyroid, adrenals, pituitary

Answer 30

Endocrine Glands

Question 31

Secretion empty through ducts to the epithelial surface. Includes sweat and oil glands, liver, pancreas (both internal and external)

Answer 31

Exocrine Glands

Question 32

Usually characterized by large amounts of extracellular material that separates cell from one another Function: Support, binding, protection

Answer 32

Connective Tissue

Question 33

Characteristic of Connective Tissue

Answer 33

Variation in blood supply - some tissue are well vascularized - some have poor blood supply or avascular Extracellular Matrix - nonliving material that surrounds living cells

Question 34

Types of Protein Fibers

Answer 34

Collagen Fibers Reticular Fibers Elastic Fibers

Question 35

Resembles microscopic ropes, are flexible but resist stretching

Answer 35

Collagen Fibers

Question 36

Are very fine, short collagen fibers that branch to form supporting network

Answer 36

Reticular Fibers

Question 37

Have structure similar to that of coiled metal bed springs; after being stretched, they can coil to their original shape

Answer 37

Elastic Fibers

Question 38

3 Types of Adult Connective Tissue

Answer 38

Connective Tissue Proper Supporting Connective Tissue Fluid Connective Tissue

Question 39

Connective Tissue Proper

Answer 39

Looses and dense

Question 40

Supporting Connective Tissue

Answer 40

Cartilage and Bone

Question 41

Fluid Conenctive Tissue

Answer 41

Blood

Question 42

Consists of relatively few protein fibers that form a lacy netword with numerous spaces filled with ground substance and fluid

Answer 42

Loose Connective Tissue

Question 43

3 Subdivision of Loose Connective Tissue

Answer 43

Areolar Adipose Reticular

Question 44

Fine network of fibers (mostly collagen, some are elastic) w/ spaces between fibers, fibroblasts, macrophages, lymphocytes are located in the spaces Loose packing, support, nourishment of the structure Widely distributed throughout the body

Answer 44

Areolar Connective Tissue

Question 45

Little extracellular matrix surrounding cell; odipocytes or fat cells, are so full of lipids that the cytoplasm is pushed to the periphery of the cell Function: Packing material, thermal insulator, energy storage and protection of organs against injury from being bumped jorred Predominantly located at subcutaneous areas, mesenteries, renal pelves, around kidneys, attached to the surface of the colon, mammary glands, and in loose connective tissue that penetrates into spaces and crevices

Answer 45

Adipose Connective Tissue

Question 46

Fine network of reticular fibers irregularly arranged Function: Provides a superstructive for lymphatic and hemopoietic tissues Located within the lymph nodes, spleen, bone marrow

Answer 46

Reticular Connective Tissue

Question 47

It has relatively large number of protein fibers that form thick bundles and fill nearly all the extracellular space

Answer 47

Dense Connective Tissue

Question 48

2 Major Subcategories of Dense Connective Tissue

Answer 48

Collagenous and Elastic

Question 49

Matrix composed of collagen fibers running in somewhat the same direction in tendons and ligaments, collagen runs in several direction in the dermis of the skin and in organ capsules Function: Withstand great pulling forces exerted in the directionon the fiber orientation due to great tensile strength and stretch resistance Located in tendons (attach muscle to bone) and ligaments (attach bones to each other) ; found also in the dermis of the skin, organ capsule and outer kayer of many blood vessel

Answer 49

Dense Regular Collagenous Connective Tissue

Question 50

Matrix composed of collagen fiber and elastic fiber running in somewhat the same direction in elastic ligaments; elastic fibers run in connective tissue of blood vessel walls Function: Capable of stretching & recoiling like a rubber bond with strength in the direction of fiber orientation Locatrd in the elastic ligaments between vertebrae and along yhe dorsal aspect of the neck and in the vocal cords; also found in elastic connective tissue of blood vessel wall

Answer 50

Dense Regular Elastic Connective Tissue

Question 51

Supporting connective tissue Provides support but if bent or slightly compressed it resumes its original shape

Answer 51

Cartilage

Question 52

3 Types of Cartilage

Answer 52

Hyaline Fubrocartilage Elastic Cartilage

Question 53

Collagen fibers are small and evenly dispersed in matrix, making the matrix appear transparent; chondrocytes are found on spaces or locunae within the firm but flexible matrix Function: Allow growth of long bones provides rigidly with some flexibility in the trachea, bronchi, ribs and nose forms strong yet smooth yet somewhat flexible articulating surfaces forms the embryonic skeleton Located in growing long bones, cartilage ring of the respiratory system, costal cartilage of the ribs, nasal cartitage, articulating surface of bones and the embryonic skeleton

Answer 53

Hyaline Cartilage

Question 54

Colaggen fiber simislar to those in hyaline cartilage; the fibers are more numerous than in other catilage and are arranged in thick bundles Function: Somewhat flexible and capable of withstanding considerable pressure, connects structure subject to great pressure Located in intervertebral disks, pubic symphysis, and articular disks (knees and temporomandibular (jaw) joint)

Answer 54

Fibrocartilage

Question 55

Similar to hyaline cartilage but matrix also caontain elastin fibers Function: Provides rigidly with even more flexibility than hyaline cartilage beacuse eleastic fiber returns to their original shape after being stretched Located in external ears, epiglottis a d cuditory tubes

Answer 55

Elastic Cartilage

Question 56

Hard, bony matrix predominates, may osyeocytes located within locunce; matrux is organized into layers called lamallae Function: provides great strength and support and protects internal organs such as the brain, provides attachement site for muscle and ligaments ; the joints of bones allow movement Located in all bones of the body

Answer 56

Bone

Question 57

Blood cell and the fluid matrix Function: transport oxygen, carbon dioxide, hormones, nutrients, waste products and other substances: protects the body from infections and involve in temperature regulation Located within blood vessel, white blood cell, frequently leave the blood vessel and enter the interstitial spaces

Answer 57

Blood

Question 58

Specialized for contraction having properties of extensibility, elasticity, and contractility. It is highly vascularized and innervated

Answer 58

Muscle/Muscular Tissue

Question 59

Package by connective tissue sheets into skeletal muscles which are attached to the skeleton and pull on bones or skin Voluntarily (consciously) controlled Produces gross body movements or facial expressions

Answer 59

Skeletal Muscle Tissue

Question 60

Characteristic of Skeletal Muscle Cells

Answer 60

Striations (Stripes) Multinucleate (more than one nucleus) Long, Cylindrical shape

Question 61

3 Types of Muscle Tissue and Cell

Answer 61

Smooth Muscle Cardiac Muscle Skeletal Muscle

Question 62

Function is to receive and conduct electrochemical impulses to and from body parts: Irritability and Conductability Which composed of neurons and nerve support cell

Answer 62

Nervous Tissue

Question 63

Two Types of Principal Cell in Nervous Tissue

Answer 63

Neurons and Neuroglia

Question 64

Support cell in nervous tissue

Answer 64

Neuroglia

Question 65

Insulate, protect and support in nervous tissue

Answer 65

Neurons