Integumentary System Flashcards
1
Q
Hyperpigmentation
A
2
Q
Overactivity of melanocytes in the epidermis
A
3
Q
A
4
Q
A
5
Q
A
6
Q
Hyperpigmentation is a result of what?
A
7
Q
overexposure to UV rays
A
acne
8
Q
A
9
Q
A
10
Q
A
11
Q
Sensation
A
12
Q
feeling or perception generated by the nerve ending under the outer layer of skin
A
13
Q
A
14
Q
A
15
Q
A
16
Q
Acid Mantle
A
17
Q
mixture of sebum from the sebaceous glands and mositure
A
18
Q
A
19
Q
A
20
Q
A
21
Q
normal pH of skin?
A
22
Q
4.5-5.5
A
23
Q
A
24
Q
A
25
26
What does acid mantle do?
27
keeps skin smooth
prevents bacteria dirt and grime from entering the epidermis. helps mantain pH range
28
29
30
31
Secretion
32
sebum is discharged from sebaceous glands to keep skin soft
33
34
35
36
Dermatologist
37
medical skin specialist
38
39
40
41
Arrector Pilli muscle
42
causes hair to stand on end in epidermis
43
44
45
46
Epidermis or Cuticle Layer
47
outermost layer of skin
48
49
50
51
Melanin
52
pigment that gives skin color
53
54
55
56
Dermatology
57
study of skin
structure
58
59
60
61
Adipose Tissue
62
Tissue that stores fat
store energy
63
64
65
66
where is the adipose tissue located?
67
organs and subcutaneous layer
68
69
70
71
Not studied (69)
72
You haven't studied these terms yet!
73
74
Select these 69
75
Absorption
76
process in which the skin permits substances like water and oxygen to pass through its tissues
77
78
79
80
Heat Regulation
81
skin's ability to help maintain the body's temperature
82
83
84
85
Keratinization
86
chemical process in which cells change their shape
push older cells towards the surface
87
88
89
90
Keratinocytes or Corneocytes
91
cover and protect the inside of the body
92
93
94
95
what do keratinocytes made out of?
96
protein keratin and epithelial cells
97
98
99
100
Protection
101
skin's ability to shield the body from direct impact
102
103
104
105
Hard keratin
106
found in hair cortex
cuticle and nail plate
107
108
109
110
what is hard keratin known as?
111
basic or subfamily B
112
113
114
115
Excretion
116
skin's ability to eliminate sweat
salt and wastes from body. Removes toxins from the internal systems and regulate temperature
117
118
119
120
Soft Keratin
121
primary keratin of skin cells found in the epidermis
122
123
124
125
what is soft keratin known as?
126
acidic or subfamily A
127
128
129
130
Keratin
131
hard protein material found in the epidermis
hair
132
133
134
135
Dermis
Dermal Layer
136
layer of skin under the epidermis
137
138
139
140
what is the dermis made out of?
141
reticular and papillary layers
142
143
144
145
Endocrine Glands or Ductless glands
146
Glands of the endocrine system that release hormones into the bloodstream
147
148
149
150
Glands
151
organs that produce and secrete chemicals called hormones
152
153
154
155
how are glands classified?
156
by where their secretions are placed?
157
158
159
160
stratum granulosum
161
layer below the stratum lucidum
above stratum spinosum. Regularly shaped
162
163
164
165
Melanosomes
166
pigmented packets that contain melanin
167
168
169
170
what are melanosomes produced by?
171
melanocytes
172
173
174
175
Reticular Layer
176
Deeper layer of the dermis that supplies the skin with oxygen and nutrients
177
178
179
180
what does the reticular layer contain?
181
collagen and elastin fibers
182
183
184
185
what does collagen and elastin fibers provide the skin with?
186
strength and flexibility
187
188
189
190
Hemidesmosomes
191
small filaments that connect the epidermis to the dermis
192
193
194
195
epidermal ridges
196
surface ridges of the epidermis of the palms and soles
where the sweat pores open; provides traction; fingertips
197
198
199
200
Langerhans cells
201
immune cells that help protect the body from infection
202
203
204
205
where are Langerhans cells located?
206
epidermis
207
208
209
210
Papillary Layer
211
Outermost layer of the dermis
directly underneath the epidermis; rich in blood vessels and capillaries
212
213
214
215
what does the papillary layers provide?
216
nutrients to the epidermis
217
218
219
220
Stratum corneum (horny layer)
221
outermost layer of epidermis
toughest layer
222
223
224
225
what is stratum corneum composed of?
226
keratin protein cells that continually shed
227
228
229
230
Stratum Lucidum
231
below the stratum corneum
232
233
234
235
where is the stratum lucidum located?
236
palms and soles
237
238
239
240
Stratum basale
241
deepest layer of the epidermis; mitosis takes place
242
243
244
245
Melanocytes
246
cells that produce melanin
247
248
249
250
where are melanocytes contained?
251
melanosomes
252
253
254
255
Eccrine glands
256
glands that produce sweat; found over most of the body
257
258
259
260
where are sweat glands most abundant?
261
Head
armpits
262
263
264
265
Merkel cells
266
touch receptors
267
268
269
270
Exocrine glands
271
sweat and sebaceous glands that release their secretions into ducts
272
273
274
275
what do exocrine glands deposit?
276
granular secretions on the surface of the skin
277
278
279
280
Stratum Spinosum
281
a layer of the epidermis that provides strength and flexibility to the skin; above stratum germinativum
282
283
284
285
Papilla
Papillae
286
Finger-like projections in the dermis filled with capillaries (small blood vessels) that supply nourishment to the epidermis and germinal matrix; necessary for hair growth.
287
288
289
290
Anatomy
291
study of organs and body systems
292
293
294
295
Sudoriferous glands
296
glands that secrete sweat to the outside of the body; also assist in body temperature regulation; help maintain pH
297
298
299
300
what is the sudoriferous glands controlled by?
301
nervous system
302
303
304
305
Cuticle
306
protective covering
transparent scales covering the outside of hair shaft
307
308
309
310
Onyx
311
technical term for nails
312
313
314
315
Apocrine glands
316
Sweat glands in the pubic and underarm areas that secrete thicker sweat
that produce odor when come in contact with bacteria on the skin
317
318
319
320
Hair
321
form of protein called keratin
322
323
324
325
Perionychium
326
The tissue bordering the root and sides of a fingernail or toenail.
327
328
329
330
Areolar tissue
331
loose connective tissue made of collagen and elastin
332
333
334
335
Lunula
336
whitish
half-moon shape at the base of the nail
337
338
339
340
Nail groove
341
tracks on either side of the nail that moves on as it grows
342
343
344
345
Onychology
346
study of structure and growth of the nails
347
348
349
350
Pores
351
tiny openings "or passageways" that allow sweat or sebum to pass through the surface of the skin
352
353
354
355
Nail Matrix
356
structure that creates nail cells that harden and flatten as they move outward to form the nail plate
357
358
359
360
Where is the nail matrix located?
361
proximal nail fold (PNF)
362
363
364
365
Hyponychium
366
area underneath the free edge that creates a seal to prevent bacteria from entering the nail bed
367
368
369
370
Eponychium
371
Living skin at the base of the natural nail plate that covers the matrix area
372
373
374
375
Free edge
376
nail plate that extends beyond the tip of the finger or toe
377
378
379
380
subcutaneous layer
381
innermost layer of the skin
containing fat tissue
382
383
384
385
what does the subcutaneous layer do?
386
shock absorber
protects bone
387
388
389
390
Sidewalls
391
folds of skin on either side of the nail plate
392
393
394
395
Nail Plate
396
nail area that extends from the free edge to the matrix
397
398
399
400
Sebaceous glands
401
secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis
402
403
404
405
what is sebaceous glands controlled by?
406
partially controlled by nervous system
407
408
409
410
Nail bed
411
where nail plate rests
412
413
414
415
what is found in nail beds?
416
nerves and blood vessels to supple nourishment
