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ANAPHY > Four Fundamental Types Of Tissue Part 2 > Flashcards

Four Fundamental Types Of Tissue Part 2 Flashcards

1
Q

Largest organ of the body

A

Skin

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2
Q

Skin is also called as

A

Integument or cutaneous

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3
Q

Two principal layers of the skin

A

Epidermis and dermis

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4
Q

Superficial protective layer composed of 4-5 layers depending on its location

A

Epidermis

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5
Q

What type of epithelium does epidermis is composed of

A

Stratified squamous epithelium

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6
Q

Layers of epidermis

A

Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basale

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7
Q

Compose of single layer of cells which has active mitotic activity

A

Stratum basale

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8
Q

Several layers of cells which has a spiny appearance due to change shape of keratino sites and with limited mitosis

A

Stratum spinosum

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9
Q

This layer plus the stratum basily are collectively called as stratum germinativum

A

Stratum spinosum

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10
Q

Stratton basale and stratum spinosum are collectively called as

A

Stratum germinativum

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11
Q

3:00 to 4 flattened rose of cells where cells here appear granular due to the presence of kerato hyalin granules

A

Stratton granulosum or granular layer

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12
Q

Nuclei organelles and cell membranes are no longer visible and contains a translucent substance called eleidin

A

Stratum lucidum or clear layer

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13
Q

25 to 30 layers of flattened scale like a nucleated cells continuously shed as flick-like residues of cells

A

Stratum corneum

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14
Q

Friction at the surface of skin stimulates mitotic activity of stratum basale resulting in the formation of

A

Callus

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15
Q

Types of cells in the stratum basale

A

Keratinocytes
Melanocytes
Tactile cells/Merkel Cells
Granular dendrocytes or langerhan cells

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16
Q

It produces keratin which toughens and waterproofs the skin

A

Keratinocytes

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17
Q

Synthesizes the pigment melanin and a protective barrier to UV radiation and sunlight

A

Melanocytes

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18
Q

Touch receptor

A

Tactile cells or merkel cells

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19
Q

Skin macrophages

A

Granular dendrocytes or langerhans cells

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20
Q

Skin color is a combination of three pigments

A

Melanin
Carotene
Hemoglobin

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21
Q

Brown black pigment produced by the melanocytes which guards skin against damaging effect of ultraviolet trace of the sunlight where the increase exposure to sunlight promotes to the production of this

A

Melanin

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22
Q

There is a normal number of melanocytes but locks enzyme thyrosinase that converts the amino acid thyrosine to melanin

A

Albino

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23
Q

Caused by aggregated patch of melanin

A

Freckles

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24
Q

Lack of melanocytes in localized areas of the skin causing distinct white spots

A

Vitiligo

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25
Q

A yellowish pigment found in epidermalb cells and fatty parts of the dermis which is abundant in the skin of Asians and is together with melanin for the account of yellowish tan color

A

Carotene

26
Q

It is not a pigment but it is the oxygen binding pigment found in RBC which is an oxygenated blood flowing through the dermis which gives the skin its pinkish tones

A

Hemoglobin

27
Q

In the forehead and face acquired from continual contraction of facial muscles such as for smiling or squinting in bright light or against the wind

A

Furrow

28
Q

Lines of tension in the skin produced by the orientation of collagen and elastic fibers in non-random pattern of arrangement

A

Langer lines

29
Q

Deeper and thicker than the dermis which is a strong and stretchy envelope that helps to hold the body together

A

Dermis

30
Q

It contains numerous collagenous elastic and reticular fibers that gives support to the skin and is highly vascular and glandular that contains many nerve endings and hair follicles

A

Dermis

31
Q

The layers of the dermis

A

Papillary layer
Reticular layer

32
Q

In contact with the epidermis which contains capillary loops which furnish nutrients to the epidermis

A

Papillary layer

33
Q

The projections are cold dermal papillae

A

Papillary layer

34
Q

Touch receptors under the papillary layer

A

Meissner’s Corpuscles

35
Q

Deepest skin layer contains blood vessels sweat and oil glands and deep pressure receptors

A

Reticular layer

36
Q

Many phagocytes are found here that engulf bacteria and have managed to get through the epidermis

A

Reticular layer

37
Q

These are all endocrine glands including sebaceous glands and sweat glands

A

Cutaneous glands

38
Q

Found all over the skin except on palms and soles

Ducks usually empty into a hair follicle and experiences secretion called sebum

A

Sebaceous glands

39
Q

Active secretion regulated by sex hormones

A

Sebaceous glands

40
Q

Sweat glands is also called us

A

Sudoriferous glands

41
Q

Widely distributed in the skin numerous in palms soul auxiliary and pubic regions which secretion evaporates and cools the body

A

Sweat glands

42
Q

Two types of sweat glands

A

Merocrine and apocrine

43
Q

It is a sweat gland that is more numerous and found all over the body especially in forehead back palms and soles it’s secretion reaches skin surface by via adopt that opens directly on surface of skin through sweat pores

Secretion is mostly water with few salts

A

Merocrine sweat gland

44
Q

Much larger localized gland found in auxiliary and pubic regions where they secrete into hair follicles not functional until puberty and secretion is thick and rich in organic substances which is other less when released but quickly broken down by bacteria into substances responsible for body odor

A

Apocrine sweat glands

45
Q

Found within the breasts specialized through the referrals or sweat gland that secretes milk during lactation

Under the stimulus of pituitary gland

A

Mammary gland

46
Q

It is for protection an example given is sculpt here eyebrows are protection from the sunlight

A

Hair

47
Q

Parts of the hair

A

Shaft
Root
Hair bulb matrix

48
Q

The visible but then portion of hair projecting above surface of the skin

A

Shaft

49
Q

It is a part of the hair that is enclosed in the follicle

A

Root

50
Q

It is the growth zone of the hair which contains melanocytes that give color to the hair

A

Hair bulb matrix

51
Q

3 layers of hair in cross-section

A

Medulla
Cortex
Cuticle

52
Q

Converse cortex and forms toughen outer portion

Thick median part of the hair

Inner part of the hair

A

Cuticle

Cortex

Medulla

53
Q

Three distinct kinds of hair in humans

A

Lanugo
Angora
Definitive

54
Q

Find silky fetal hair that appears during the last trimester of development

A

Lanugo

55
Q

Gross continuously in length as on scalp and on face of males

A

Angora

56
Q

Gross to a certain length and then ceases to grow most dominant type of hair

A

Definitive

57
Q

Found on the distal dorsum of each fingers and toes

A

Nails

58
Q

Forms from a hardened transparent stratum corneum of epidermis

A

Nails

59
Q

Part of the nails

Visible attach portion

Part of the nail covered by skin

Where nail root and nail body are attached

The distal exposed border attached to undersurface of hyponychium

Beneath the free edge

Covers the nail root frequently splits causing a hangnail

A

Nail Body
Nail root
Nail bed
Free edge
Hyponychium
Eponychium

60
Q

Proximal part of the nail bed where the growth of the area of nail

A

Nail matrix

61
Q

Whitefish crescent shape area the proximal aspect of nail

A

Lunula

62
Q

Nails are___and nearly___but they look pink because of the rich blood supply in the underlying dermis

A

Transparent
Colorless

ANAPHY (9 decks)

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