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NU intro a&p > Tissues > Flashcards

Tissues Flashcards

1
Q

Simple cuboidal (epithelial)

A

Located in kidneys.

Secretion and absorption of substance

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2
Q

Simple columnar (epithelial)

A

Located in digestive tract.

Secretion of digestive juices - microvilli to increase surface area for absorption

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3
Q

Stratified squamous (epithelial)

A

A lot of cells
Located on skin
Protective barrier

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4
Q

Pseudostratified columnar (epithelial)

A

Single cell
Secretion of mucus
Located in trachea

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5
Q

Areolar/ loose tissue (connective)

A

Located under all epithelial tissue

Wraps and cushions organs, holds and conveys tissue fluid, important with inflammation

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6
Q

Adipose (connective)

A

Located under skin and organs

Reserves food fuel, insulates, supports and protect organs

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7
Q

Reticular (connective)

A

Located spleen

Framework of soft tissue (forms support)

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8
Q

Dense regular (connective)

A

(Same direction collagen fibers)
Located ligaments/tendons
Resists pulling forces in joints

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9
Q

Dense irregular (connective)

A

(Collagen fibers different directions)
Located dermis of skin
Resists pulling force in skin

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10
Q

Hyaline cartilage

A

Located in trachea
Supports and reinforces airway, cushioning properties
(Consists chondrocyte and lacuna)

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11
Q

Simple squamous (epithelial)

A 
Diffusion occurs (between o2 and co2) 
Located in air sacs
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12
Q

Ground substance

A

Space where nutrients and dissolved substance diffuse between blood cap and connective tissue

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13
Q

Fibers (3)

A

Collagen, elastic and reticular

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14
Q

Collagen fiber

A

Strongest. Protein collagen. White fibers. In tendons and ligaments.

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15
Q

Elastic fibers

A

Stretch and recoil. Elastin protein. Yellow fibers. Around dermis, lungs and blood vessels

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16
Q

Reticular fiber

A

Inelastic. Collagen protein reticulin. Provides support and internal framework of glands. Lines capillaries.

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17
Q

Fiberblast cell

A

Forms collagenous and elastic fibers

18
Q

Mast cell

A

Contains/release histamine (inflammation) and heparin (anticlot)

19
Q

Chondrocyte

A

Cells located in cartilage. Maintains cartilage matrix and reduces friction in bones.

20
Q

Lacuna

A

Small space containing a chondrocyte or osteocyte

21
Q

Integumentary

A

Protects body. Maintains body temp. Excrete materials. Carry out metabolic reactions. Sense stimuli. Holds blood volume.

22
Q

Epidermis

A

Stratified squamous tissue. A vascular ( no blood supply)

23
Q

Keratinocytes (epidermis cell)

A

Most abundant cell. Produce keratin. Protects skin and produces antibodies

24
Q

Melanocytes (epidermis cell)

A

Produce melanin (dark pigment). Protects keratinocytes from uv rays that may cause cancer.

25
Q

Langerhans (epidermis cell) (intraepidermal macrophages)

A

Antigen. Helps immune cells recognize an invading microb and destroy it

26
Q

Merkel (epidermis cell) (tactile epithelial)

A

Sensory receptor. Detects touch sensation

27
Q

Stratum basele (epidermis layer)

A

Deepest layer. Constantly produces keratinocytes.

28
Q

Stratum spinosum (epidermis layer)

A

Provides strength and flexibility to skin

29
Q

Stratum grandulosum (epidermis layer)

A

Middle layer. Losing blood/o2 supply. Death of keratinocytes occur.

30
Q

Stratum lucidum (epidermis layer)

A

Thick skin (hairless). Dead keratinocytes that contain keratin.

31
Q

Stratum corneum (epidermis layer)

A

Keratinocytes shed daily

32
Q

Dermis

A

Dense irregular tissue. Contains collagen/elastic fibers , blood vessels and nerves

33
Q

Papillary layer (dermis layer)

A

Closest to epithelium tissue. Makes finger prints. Dermal papillae that has blood vessels and nerve endings that initiates signals of sensation

34
Q

Dermal papillae

A

Upper layer of dermis that connects to epidermis to provide blood flow

35
Q

Reticular layer (dermis layer)

A

Collagen fibers for strength and resiliency to skin. Protects from scraps and jabs. Fiber that bind water to keep skin hydrated. Elastic fibers so skin can stretch.

36
Q

Hypodermis

A

Adipose/ areolar tissue. Stores fat, shock absorber and insulates. Anchors skin to deep muscle

37
Q

Sebaceous gland

A

Oil gland. Lubricates hair and skin. Secretes sebum. Inhibits water loss and bacteria growth

38
Q

Sudoriferous gland

A

Sweat glands.

39
Q

Eccrine sweat gland

A

Most common. Regulate body temp. Forehead/hands

40
Q

Apocrine sweat gland

A

Armpit/groin. Milky/yellowish. Emotional/sexual sweat. Odorless but when interacts with bacteria turns into bo

41
Q

Hair follicle

A

Surrounds hair root formed from epidermal layers and projects into dermis

42
Q

Arrector pilli

A

Goosebumps. Smooth muscle contracts hair follicle to upright position. (Autonomic nerve endings stimulates contraction of smooth muscle)

NU intro a&p (7 decks)

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