Histology

Question 1

What are the basic tissue types of the skin? (8)

Answer 1

Epithelium
Glands
Muscle
Hair
Adipose Tissue
Connective Tissue
Nervous Tissue
Nails

Question 2

Epithelium: The skin has what type of epithelium?

Answer 2

Stratified squamous epithelium

Question 3

Epithelium: Difference in epithelium of the palm

Answer 3

Thickened keratin layers with undulations following the contours of the dermis to provide fingerprints

Question 4

Epithelium: Difference in epithelium of the sole of the foot

Answer 4

Thickened keratin layers with helical segments at the terminal parts of the sweat ducts

Question 5

Epithelium: Blood vessels are lined by what type of epithelium??

Answer 5

Simple squamous epithelium

Question 6

Glandular Epithelium: Sebaceous glands are derived from what?

Answer 6

Epidermis

Question 7

Glandular Epithelium: Eccrine glands are found where?

Answer 7

Everywhere bar the lips and genitals

Question 8

Glandular Epithelium: Appearance of eccrine glands

Answer 8

Coiled tubular structures

Question 9

Glandular Epithelium: Apocrine glands are limited to where?

Answer 9

Axilla
Nipple
Genitals

Question 10

Smooth Muscle Fibres: Attached where?

Answer 10

To hair follicles via the arrestor pili

Question 11

Smooth Muscle Fibres: Function

Answer 11

Pulls the hair perpendicular to the skin during cold or a fright

Question 12

Connective Tissue: Function of collagen and elastic fibres

Answer 12

Provide tensile strength with elastic qualities of the skin

Question 13

Nervous Tissue of the Skin: Where are free nerve endings located?

Answer 13

Basal layer of the epidermis

Question 14

Nervous Tissue of the Skin: Meissner’s Corpuscle - Function

Answer 14

Tactile sensation

Question 15

Nervous Tissue of the Skin: Meissner’s Corpuscle - Present in what layer of the skin?

Answer 15

Dermis

Question 16

Nervous Tissue of the Skin: Meissner’s Corpuscle -Abundant where?

Answer 16

Tactile areas of fingers and toes

Question 17

Nervous Tissue of the Skin: Pacinican Corpuscle - Function

Answer 17

Deep pressure sensors

Question 18

Nervous Tissue of the Skin: Pacinican Corpuscle - Located where?

Answer 18

Deep dermis

Question 19

Nervous Tissue of the Skin: Pacinican Corpuscle - Located in what ares of the digits?

Answer 19

Pulp section

Question 20

Hair: Hair Follicle

Answer 20

Invagination of the epidermis

Question 21

Hair: Hair Follicle - cross section shows what?

Answer 21

Central medulla surrounded by the cortex and outer cuticle

Question 22

Hair: Hair Follicle - Central Medulla contains what?

Answer 22

Soft keratin

Question 23

Hair: Hair Follicle - Outer cortex and cuticle contain what?

Answer 23

Hard keratin

Question 24

Hair: Hair Follicle - Papilla contains what?

Answer 24

Multiple vascular channels

Question 25

Hair: Hair Follicle - Matrix region contains what?

Answer 25

Keratin-producing cells

Question 26

Hair: Hair Follicle - Hair bulb contains what?

Answer 26

Hair matrix Dermal papilla

Question 27

Nails: Plates are filled with what?

Answer 27

Hard keratin

Question 28

Nails: Matrix function

Answer 28

Cells divide to produce hard keratin

Question 29

Nails: Cuticle

Answer 29

Extension of the skin fold covering the nail root

Question 30

Nails: Hyponychium

Answer 30

Secures the free nail edge

Question 31

TEN

Answer 31

Toxic Epidermal Necrolysis

Question 32

Toxic Epidermal Necrolysis: