Floriane Céré

Question 1

Types of hair

Answer 1

Guard hairs (primary) +Sebaceous gland+sweat gland+musculous arector pili
Undercoat hair (secondary)+sebaceous gland

Question 2

Cycle of hair

Answer 2

Anagen : growing period
Ketagen : transitional period
Telogen :resting period
Exogen : shedding phase

Question 3

What control the cycle ?

Answer 3

Photoperiod, T°C, Nutrition, Hormone, general state of hair, genetic, poorly understood factors

Question 4

Disorders of hair follicles

Answer 4

Atrophy, dysplasia

Question 5

Sweat gland

Answer 5

Apocrin : no on foot pad/ nasal plane. At the mucocutaneous junction interdigital area and dorsum
Eccrin : Only on foot pad and nasal plane. Deep in the dermis

Question 6

Examination of the hair coat

Answer 6

1. Density
2. Colour
3. Gloss
4. Closure
5. Occurrence of loose hair
6. Stiffness
7. External parasite

Question 7

Primary lesions

Answer 7

Macule (Patch if >1cm)
Papule
Plaque
Nodule
Wheales
Vesicle
Pustule
Cysta

Question 8

Wheal?

Answer 8

sharply circumscribed raised lesion consisting of oedema (urtica)

Question 9

Tuber?

Answer 9

Inflammatory elevaton ofpapillary zone of skin or mucous mb

Question 10

Nodule?

Answer 10

circumbscribed, solid elevation, >1cm , into deeper layer of skin

Question 11

Plaque?

Answer 11

larger, flat-topped elevation formed by extension/coalition of papules

Question 12

Papule?

Answer 12

small solid elevation of skin, >1cm , can palpate solid mass

Question 13

Angiodema ?

Answer 13

Huge hive of of a distensible region

Question 14

Vesicle ?

Answer 14

sharply circumscribed elevaiton of the epidermis filled with clear fluid

Question 15

Bullae?

Answer 15

Vesicle>1cm

Question 16

Cyst ?

Answer 16

Epithelium-lined cavity containing fluid or solid material . Smooth and well circumscribed

Question 17

Pustule?

Answer 17

Small, circumscribed elevation of epidermis that filled with pus.

Question 18

Abscess?

Answer 18

Demarcated fluctuant lesion resulting from a dermal or subcutaneous accumulation of pus.

Question 19

Pirmary or secondary lesions?

Answer 19

Scales
Crust
Comedones
Follicular cast
Pigmentary changes

Question 20

Scale?

Answer 20

Accumulation of loose fragment of the horny layer skin (cornified cell)

Question 21

Crust ?

Answer 21

Formed when dried exudate, serum, pus, blood, cells, scales

Question 22

Comedon?

Answer 22

Dilated hair follicle filled with cornified cells and sebaceous material.

Question 23

Follicular cast?

Answer 23

accumulation of keratin and follicular material that adhere to the hair shaft

Question 24

Secondary lesions

Answer 24

Epidermal collarette
Excoration/erosion 
Ulcer
Scar
Chap, fissure
Lichenification
Callus
Necrosis

Question 25

Epidermal collarette ?

Answer 25

Special type of scale arranged in a circular rim of loose keratin flakes or peeling keratin

Question 26

Excoriation?

Answer 26

Caused by scratching, biting or rubbing.

Question 27

Erosion ?

Answer 27

Shallow epidermal defect that doesn't penetrate the basal laminar zone

Question 28

Ulcer?

Answer 28

Break in the continuity of epidermis

Question 29

Scar?

Answer 29

Area of fibrous tissue that has replaced the damage dermis or subcutaneous tissue

Question 30

Fissura ?

Answer 30

Linear clivage in the epidemris

Question 31

Lichenification?

Answer 31

Thickening/hardening of epidermis

Question 32

Callus ?

Answer 32

Thickened, rough, hyperkeratotic, alopecic, often lichenified plaque