Four Fundamental Types Of Tissue Part 2

Question 1

Largest organ of the body

Answer 1

Skin

Question 2

Skin is also called as

Answer 2

Integument or cutaneous

Question 3

Two principal layers of the skin

Answer 3

Epidermis and dermis

Question 4

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

Answer 4

Epidermis

Question 5

What type of epithelium does epidermis is composed of

Answer 5

Stratified squamous epithelium

Question 6

Layers of epidermis

Answer 6

Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basale

Question 7

Compose of single layer of cells which has active mitotic activity

Answer 7

Stratum basale

Question 8

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

Answer 8

Stratum spinosum

Question 9

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

Answer 9

Stratum spinosum

Question 10

Stratton basale and stratum spinosum are collectively called as

Answer 10

Stratum germinativum

Question 11

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

Answer 11

Stratton granulosum or granular layer

Question 12

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

Answer 12

Stratum lucidum or clear layer

Question 13

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

Answer 13

Stratum corneum

Question 14

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

Answer 14

Callus

Question 15

Types of cells in the stratum basale

Answer 15

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

Question 16

It produces keratin which toughens and waterproofs the skin

Answer 16

Keratinocytes

Question 17

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

Answer 17

Melanocytes

Question 18

Touch receptor

Answer 18

Tactile cells or merkel cells

Question 19

Skin macrophages

Answer 19

Granular dendrocytes or langerhans cells

Question 20

Skin color is a combination of three pigments

Answer 20

Melanin
Carotene
Hemoglobin

Question 21

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

Answer 21

Melanin

Question 22

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

Answer 22

Albino

Question 23

Caused by aggregated patch of melanin

Answer 23

Freckles

Question 24

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

Answer 24

Vitiligo

Question 25

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

Answer 25

Carotene

Question 26

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

Answer 26

Hemoglobin

Question 27

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

Answer 27

Furrow

Question 28

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

Answer 28

Langer lines

Question 29

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

Answer 29

Dermis

Question 30

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

Answer 30

Dermis

Question 31

The layers of the dermis

Answer 31

Papillary layer Reticular layer

Question 32

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

Answer 32

Papillary layer

Question 33

The projections are cold dermal papillae

Answer 33

Papillary layer

Question 34

Touch receptors under the papillary layer

Answer 34

Meissner's Corpuscles

Question 35

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

Answer 35

Reticular layer

Question 36

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

Answer 36

Reticular layer

Question 37

These are all endocrine glands including sebaceous glands and sweat glands

Answer 37

Cutaneous glands

Question 38

Found all over the skin except on palms and soles Ducks usually empty into a hair follicle and experiences secretion called sebum

Answer 38

Sebaceous glands

Question 39

Active secretion regulated by sex hormones

Answer 39

Sebaceous glands

Question 40

Sweat glands is also called us

Answer 40

Sudoriferous glands

Question 41

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

Answer 41

Sweat glands

Question 42

Two types of sweat glands

Answer 42

Merocrine and apocrine

Question 43

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

Answer 43

Merocrine sweat gland

Question 44

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

Answer 44

Apocrine sweat glands

Question 45

Found within the breasts specialized through the referrals or sweat gland that secretes milk during lactation Under the stimulus of pituitary gland

Answer 45

Mammary gland

Question 46

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

Answer 46

Hair

Question 47

Parts of the hair

Answer 47

Shaft Root Hair bulb matrix

Question 48

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

Answer 48

Shaft

Question 49

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

Answer 49

Root

Question 50

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

Answer 50

Hair bulb matrix

Question 51

3 layers of hair in cross-section

Answer 51

Medulla Cortex Cuticle

Question 52

Converse cortex and forms toughen outer portion Thick median part of the hair Inner part of the hair

Answer 52

Cuticle Cortex Medulla

Question 53

Three distinct kinds of hair in humans

Answer 53

Lanugo Angora Definitive

Question 54

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

Answer 54

Lanugo

Question 55

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

Answer 55

Angora

Question 56

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

Answer 56

Definitive

Question 57

Found on the distal dorsum of each fingers and toes

Answer 57

Nails

Question 58

Forms from a hardened transparent stratum corneum of epidermis

Answer 58

Nails

Question 59

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

Answer 59

Nail Body Nail root Nail bed Free edge Hyponychium Eponychium

Question 60

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

Answer 60

Nail matrix

Question 61

Whitefish crescent shape area the proximal aspect of nail

Answer 61

Lunula

Question 62

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

Answer 62

Transparent Colorless