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Human Biology 175 > Tissues/ Histology > Flashcards

Tissues/ Histology Flashcards

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0
Q

Squamous Epithelium?

A

Flat, rapid passage of substance.

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1
Q

Epithelial Tissue?

A

Avascular, has a nerve supply.

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2
Q

Cuboidal Epithelium?

A

Square, secretion/ absorption.

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3
Q

Columnar Epithelium?

A

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

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4
Q

Transitional Epithelium?

A

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

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5
Q

Simple Squamous?

A

Lines heart, alveoli, blood vessels.

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6
Q

Exocrine Glands?

A

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

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7
Q

Endocrine Glands?

A

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

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8
Q

Simple Columnar?

A

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

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9
Q

Ciliated Simple Columnar Epithelium?

A

Trachea/ upper respiratory tract.

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10
Q

Matrix?

A

Material between cells.

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11
Q

Fibroblasts?

A

Secretes fibers, strength/ support.

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12
Q

Collagen Fibers?

A

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

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13
Q

Elastic Fibers?

A

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

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14
Q

Reticular Fibers?

A

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

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15
Q

Loose Connective Tissue?

A

Areolar, adipose, reticular connective tissue.

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16
Q

Areolar?

A

Subcutaneous, mucus membranes, around blood vessels.

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17
Q

Adipose?

A

Fat, triglyceride storage.

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18
Q

Reticular Connective Tissue?

A

Binds liver, spleen, lymph nodes.

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19
Q

Dense Connective Tissue?

A

Regular & irregular.

20
Q

Dense Connective Tissue - Regular?

A

Tendons, ligaments, aponeurosis, attachments.

21
Q

Dense Connective Tissue - Irregular?

A

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

22
Q

Elastic Connective Tissue?

A

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

23
Q

Hyaline Cartilage?

A

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

24
Q

Fibrocartilage?

A

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

25
Q

Elastic Cartilage?

A

Ear, epiglottis, Eustachian tubes.

26
Q

Mucous?

A

Line cavity open to exterior.

27
Q

Serous?

A

Line closed to cavity.

28
Q

Epidermis?

A

Superficial, thin.

29
Q

Dermis?

A

Deep, connective tissue.

30
Q

Hypodermic?

A

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

31
Q

Keratinocytes?

A

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

32
Q

Melanocytes?

A

Pigment melanin, 8% cells, absorb UV light.

33
Q

Langerhan’s Cells?

A

Immune cells, damage by UV light.

34
Q

Merkel Cells?

A

Tactile sensation.

35
Q

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

A

Stratum Corneum.

36
Q

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

A

Stratum Lucidum.

37
Q

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

A

Stratum Granulosum.

38
Q

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

A

Stratum Spinosum.

39
Q

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

A

Stratum Basale.

40
Q

Papillae?

A

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

41
Q

Meisner’s Corpuscles?

A

Touch.

42
Q

Free Nerve Endings?

A

Warm, cool, pain, tickle, touch.

43
Q

Arrector Pilli?

A

Smooth muscle from dermis to follicle.

44
Q

Alopecia?

A

Hair loss - many causes.

45
Q

Sebaceous Gland?

A

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

46
Q

Sudoriferous Gland?

A

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

47
Q

Apocrine Glands?

A

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

48
Q

Ceruminous Glands?

A

Ear wax, sticky barrier to foreign matter.

Human Biology 175 (10 decks)

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