MODULE 2B : INTEGUMENTARY SYSTEM

Question 0

Develops from the underlying mesenchyme

Answer 0

DERMIS

Question 1

Embryonic origin of Epidermis

Answer 1

SURFACE ECTODERM

Question 2

Source of cells which invades the epidermis in the first 3months

Answer 2

NEURAL CREST

Question 3

Corium forms irregular papillary structures which give rise to

Answer 3

DERMAL PAPILLAE

Question 4

Layer which contains large amounts of fatty tissue

Answer 4

SUBCORIUM

Question 5

Whitish paste which covers the skin at birth

Answer 5

VERNIX CASEOSA

Question 6

Characteristic of cells in the center of hair shaft

Answer 6

SPINDLE SHAPE / KERATINIZED

Question 7

Characteristic of cells in the epithelial hair sheath

Answer 7

CUBOIDAL

Question 8

Embryonic origin of sweat glands and mammary glands

Answer 8

EPIDERMAL PROLIFERATIONS

Question 9

Buds from germinative layer of the epidermis

Answer 9

ECCRINE (sweat glands)

Question 10

From same epidermal buds that produce hair follicles

Answer 10

APOCRINE

Question 11

Ectodermal thickening of the dorsum of the digits

Answer 11

NAILS

Question 12

Epidermal layer which has a constant supply of keratinocytes

Answer 12

STRATUM BASALE

Question 13

Characteristics of the Cells in Stratum Basale

Answer 13

CUBOIDAL / COLUMNAR (single layer)
NUCLEUS : large
CYTOPLASM : basophilic

Question 14

Characteristics of cells found in Stratum Spinosum

Answer 14

LARGE, CUBOIDAL / POLYGONAL, FLATTENED (some)
NUCLEUS : centrally located
CYTOPLASM : basophilic

Question 15

Characteristics of cells found in Stratum Granulosum

Answer 15

2-3 ROWS OF FLATTENED CELLS
NUCLEUS : central
CYTOPLASM : basophilic (Keratohyalin)

Question 16

Layer of dead and dying cells

Answer 16

STRATUM CORNEUM

Question 17

Characteristics of cells found in Stratum Corneum

Answer 17

FLAT & CORNIFIED; ANUCLEATED

Question 18

Layer that cannot be found in thin skin

Answer 18

STRATUM LUCIDUM

Question 19

Dendritic cells found in all layers of epidermis

Answer 19

LANGERHANS CELLS

Question 20

Antigen-presenting cells, for contact allergic and other cell-mediated response

Answer 20

LANGERHANS CELLS

Question 21

Specialized touch receptors scattered sparsely among basal cell layer

Answer 21

MERKEL CELLS

Question 22

2 zones of dermis

Answer 22

PAPILLARY & RETICULAR

Question 23

Characteristic CT of Papillary dermis

Answer 23

LCT

Question 24

Characteristic of CT in Reticular Dermis

Answer 24

DICT

Question 25

Subcutaneous layer of loose connective tissue beneath the dermis

Answer 25

HYPODERMIS

Question 26

A terminal expansion of the follicle where hair growth takes place

Answer 26

HAIR BULB

Question 27

Lubricates the epidermis and hair

Answer 27

SEBACEOUS GLANDS

Question 28

Characteristic of sebaceous glands

Answer 28

SIMPLE BRANCHED ALVEOLAR GLANDS

Question 29

Characteristic of sweat glands

Answer 29

SIMPLE COILED TUBULAR GLANDS

Question 30

Glands which are important in themoregulation

Answer 30

SWEAT GLANDS

Question 31

Has viscid, milky secretions which, when acted upon by bacteria, produces an objectionable odor

Answer 31

APOCRINE SWEAT GLANDS

Question 32

Proximal end of the nail

Answer 32

NAIL ROOT

Question 33

Underlying nail root; where nail growth occurs

Answer 33

NAIL MATRIX

Question 34

White crescent shape at the base of the nails

Answer 34

LUNULA

Question 35

Skin overlying root of the nail

Answer 35

NAIL FOLD

Question 36

Highly keratinized free edge of nails

Answer 36

EPONYCHIUM

Question 37

Skin beneath free end of nail

Answer 37

HYPONYCHIUM