Tissues/ Histology

Question 0

Squamous Epithelium?

Answer 0

Flat, rapid passage of substance.

Question 1

Epithelial Tissue?

Answer 1

Avascular, has a nerve supply.

Question 2

Cuboidal Epithelium?

Answer 2

Square, secretion/ absorption.

Question 3

Columnar Epithelium?

Answer 3

Taller, more protection, secretion/ absorption, may have vili or cilia.

Question 4

Transitional Epithelium?

Answer 4

In bladder, change shape, cuboidal to flat, stretch.

Question 5

Simple Squamous?

Answer 5

Lines heart, alveoli, blood vessels.

Question 6

Exocrine Glands?

Answer 6

Secretes into duct. (mucus, perspiration, milk, salvia, digestive enzymes)

Question 7

Endocrine Glands?

Answer 7

Secretes into interstitial fluid & diffuse. (pituitary, hormones, adrenals, thyroid)

Question 8

Simple Columnar?

Answer 8

Some cuboidal, ovaries, secretory part of glands, thyroid.

Question 9

Ciliated Simple Columnar Epithelium?

Answer 9

Trachea/ upper respiratory tract.

Question 10

Matrix?

Answer 10

Material between cells.

Question 11

Fibroblasts?

Answer 11

Secretes fibers, strength/ support.

Question 12

Collagen Fibers?

Answer 12

Most common, very strong, 25% protein in body, in most connective tissue, vit. C, MSM.

Question 13

Elastic Fibers?

Answer 13

Smaller, stretch 1 1/2 X length & return, elastin.

Question 14

Reticular Fibers?

Answer 14

Support walls of vessel, organ framework, thin fibers, basement membrane.

Question 15

Loose Connective Tissue?

Answer 15

Areolar, adipose, reticular connective tissue.

Question 16

Areolar?

Answer 16

Subcutaneous, mucus membranes, around blood vessels.

Question 17

Adipose?

Answer 17

Fat, triglyceride storage.

Question 18

Reticular Connective Tissue?

Answer 18

Binds liver, spleen, lymph nodes.

Question 19

Dense Connective Tissue?

Answer 19

Regular & irregular.

Question 20

Dense Connective Tissue - Regular?

Answer 20

Tendons, ligaments, aponeurosis, attachments.

Question 21

Dense Connective Tissue - Irregular?

Answer 21

Fascia, deep dermis, periosteum, joint/ organ capsules.

Question 22

Elastic Connective Tissue?

Answer 22

Lung, arteries, bronchioles, vocal cords, ligament between vertebrae.

Question 23

Hyaline Cartilage?

Answer 23

Ends of long bones, ribs, nose, larynx, trachea.

Question 24

Fibrocartilage?

Answer 24

Pubic symphysis, IVD, menisci, (Ex. spine).

Question 25

Elastic Cartilage?

Answer 25

Ear, epiglottis, Eustachian tubes.

Question 26

Mucous?

Answer 26

Line cavity open to exterior.

Question 27

Serous?

Answer 27

Line closed to cavity.

Question 28

Epidermis?

Answer 28

Superficial, thin.

Question 29

Dermis?

Answer 29

Deep, connective tissue.

Question 30

Hypodermic?

Answer 30

Not part of skin, subcutaneous, areolar & adipose cells.

Question 31

Keratinocytes?

Answer 31

Produce keratin, water repellant/ sealant, 90% of cells.

Question 32

Melanocytes?

Answer 32

Pigment melanin, 8% cells, absorb UV light.

Question 33

Langerhan's Cells?

Answer 33

Immune cells, damage by UV light.

Question 34

Merkel Cells?

Answer 34

Tactile sensation.

Question 35

Epidermal layers - what is the 1st layer? (most superficial - deepest)

Answer 35

Stratum Corneum.

Question 36

Epidermal layers - what is the 2nd layer? (most superficial - deepest)

Answer 36

Stratum Lucidum.

Question 37

Epidermal layers - what is the 3rd layer? (most superficial - deepest)

Answer 37

Stratum Granulosum.

Question 38

Epidermal layers - what is the 4th layer? (most superficial - deepest)

Answer 38

Stratum Spinosum.

Question 39

Epidermal layers - what is the 5th layer? (most superficial - deepest)

Answer 39

Stratum Basale.

Question 40

Papillae?

Answer 40

Finger-like projections, contains arteries, veins, & nerves, Meisner's corpuscles & free nerve endings.

Question 41

Meisner's Corpuscles?

Answer 41

Touch.

Question 42

Free Nerve Endings?

Answer 42

Warm, cool, pain, tickle, touch.

Question 43

Arrector Pilli?

Answer 43

Smooth muscle from dermis to follicle.

Question 44

Alopecia?

Answer 44

Hair loss - many causes.

Question 45

Sebaceous Gland?

Answer 45

Oil, most connected to hair follicle, make sebum, protect, skin, blackhead/ pimple/ boil.

Question 46

Sudoriferous Gland?

Answer 46

Eccrine, water, ions, urea, urea acid, ammonia, glu, lac, a.a., reg. temp., in deep dermis.

Question 47

Apocrine Glands?

Answer 47

Sex, excitement, axilla/ groin, subcutaneous, open to hair follicles, more fat & protein than eccrine, emotional stress.

Question 48

Ceruminous Glands?

Answer 48

Ear wax, sticky barrier to foreign matter.