·111 TFW 12:40 AM Ch. 4 In-class review.docx 6. True or Fale Epithelial tissue i

Question

·111 TFW 12:40 AM Ch. 4 In-class review.docx 6. True or Fale Epithelial tissue is vascular and innervated. 7. True or False Epithelium has a high regenerative capacity 8. True or False. Cartilage lacks nerve fibers and is avascular. 9. True or False. Elastic cartilage is the most abundant cartilage in the body 10. True or False. Cardiac muscle and nervous tissue have no functional regenerative capacity 11. True or False. Mucous membranes are moist membranes found in closed ventral cavities. 12. True or False. Areolar is the only connective tissue that contains all 3 fiber types. Give the function and location for the following tissue types 13. Nervous tissue 14. Smooth muscle 15. Cardiac muscle 16. Skeletal muscle 17. Osseous tissuc 18. Blood 19. Fibrocartilage 20. Elastic cartilage 21. Hyaline cartilage 22. Elastic dense connective tissue 23. Dense irregular connective tissue 24. Dense regular connective tissue (mammal tendon) 25. Reticular connective tissue 26. Adipose tissue 27. Areolar connective tissue 28. Transitional epithelium 29. Stratified squamous epithelium 30. Pseudostratified ciliated columnar epithelium 31 Non-cliated columnar epithelium 32. Ciliated columnar epithelium 33. Simple cuboidal epithelium 34. Simple squamous epithelium EOpen With Print

Explanation / Answer

13. Nervous tissue ;

Nervous tissue is the main component of the nervous system— the brain, spinal cord, and nerves—which regulates and controls body functions. It contains two major cell types: neurons and supporting cells. Neurons are highly specialized nerve cells that generate and conduct nerve impulses.

Function; Respond to stimuli and Transmit electrical impulses over substantial distances within the body.

14. Smooth muscle:

Smooth muscle is found mainly in the walls of hollow organs other than the heart (digestive and urinary tract organs, uterus, and blood vessels).

Function : It squeezes substances through these organs by alternately contracting and relaxing.

15. Cardiac muscle :

Cardiac muscle is found only in the walls of the heart.

Function : Its contractions help propel blood through the blood vessels to all parts of the body.

16. Skeletal muscle :

Skeletal muscle tissue is packaged by connective tissue sheets into organs called skeletal muscles that are attached to the bones of the skeleton.

Function : These muscles form the flesh of the body, and as they contract they pull on bones or skin, causing body movements.

17. Osseous tissue : occurs in bones

Function : Supports and protects(by enclosing); provides levers for the musclesto act on; stores calcium and other mineralsand fat; marrow inside bones is the site forblood cell formation (hematopoiesis).

18. Blood : Blood, the fluid within blood vessels, is the most atypical connective tissue. It does not connect things or give mechanical support.

Function : Transport respiratory gases,nutrients, wastes, and other substances.

19. Fibrocartilage : Location: Intervertebral discs; pubic symphysis; discs of knee joint

Function : Tensile strength allows it to absorb compressive shock.

20. Elastic cartilage : Location: Supports the external ear(pinna); epiglottis.

Function: Maintains the shape of a structurewhile allowing great flexibility.

21. Hyaline cartilage : Location: Forms most of the embryonicskeleton; covers the ends of long bones injoint cavities; forms costal cartilages of theribs; cartilages of the nose, trachea, and larynx.

Function: Supports and reinforces; serves asresilient cushion; resists compressive stress.

22. Elastic dense connective tissue : Location: Walls of large arteries; within certain ligaments associated with the vertebral column; within the walls of the bronchial tubes.

Function: Allows tissue to recoil after stretching; maintains pulsatile flow of blood through arteries; aids passive recoil of lungs following inspiration.

23. Dense irregular connective tissue : Location: Fibrous capsules of organs and of joints; dermis of the skin; submucosa of digestive tract.

Function: Withstands tension exertedin many directions; provides structural strength.

24. Dense regular connective tissue : Location: Tendons, most ligaments, aponeuroses.

Function: Attaches muscles to bones or tomuscles; attaches bones to bones; with stands great tensile stress when pulling force isapplied in one direction.

25. Reticular connective tissue : Location: Lymphoid organs (lymph nodes, bone marrow, and spleen.

Function: Fibers form a soft internal skeleton (stroma) that supports other cell types including white blood cells, mast cells, and macrophages.

26. Adipose tissue : Location: Under skin in subcutaneous tissue; around kidneys and eyeballs; within abdomen; in breasts.

Function: Provides reserve food fuel; insulates against heat loss; supports and protects organs.

27. Areloar connective tissue : Location: Widely distributed under epithelia of body, e.g., forms lamina propria of mucous membranes; packages organs; surrounds capillaries.

Function: Wraps and cushions organs; its macrophages phagocytize bacteria; plays important role in inflammation; holds and conveys tissue fluid.

28. Transitional epithelium : Location: Lines the ureters, bladder, and part of the urethra.

Function: Stretches readily, permits storedurine to distend urinary organ.

29. Stratified squamous epithelium : Location: Non keratinized type forms the moist linings of the esophagus, mouth, andvagina; keratinized variety forms the epidermis of the skin, a dry membrane.

Function: Protects underlying tissues inareas subjected to abrasion.

30. Pseudostratified ciliated columnar epithelium : Location: Nonciliated type in males’ sperm-carrying ducts and ducts of large glands; ciliated variety lines the trachea, most of the upper respiratory tract.

Function: Secrete substances, particularly mucus; propulsion of mucus by ciliary action.

31. Non ciliated columnar epithelium : Location : In the lining of the digestive tract from the stomach to the rectum.

Function : Possess microvilli greatly increases their surface area of absorption and also help in secretion of mucus.

32. Ciliated columnar epithelium : Location : Found in the area of body where movements of fluid, mucous or the other substance are required.

Function : lines the passageways of central nervous system and helps propel cerebrospinal fluid.

33. Simple cuboidal epithelium : Location: Kidney tubules; ducts and secretoryportions of small glands; ovary surface.

Function: Secretion and absorption.

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