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392 Skin and its appendages

1

1

Pili. Collective term for any type of hair.

28

Lunula. Crescentic, whitish area at the base of

2

Lanugo. Fine woolly hair which is distributed

 

the nail. Its anterior margin corresponds to the

 

 

over the entire body, especially in the newborn.

 

anterior border of the nail-forming tissue. C

2

 

 

 

29

Margo occultus. Proximal, posterior margin of a

 

It usually lacks a medulla.

 

3

Scalp hairs. Capilli.

 

nail located deep within the nail sinus. D

 

 

 

 

 

34 Hairs of eyebrow. Supercilia.

5Eyelashes. Cilia.

46 Hairs of beard. Barba.

7Hairs of external acoustic meatus. Tragi.

58 Hairs of the nasal vestibule. Vibrissae.

9 Axillary hairs. Hirci.

610 Pubic hairs. Pubes.

11 Hair follicle. Folliculus pili. Connective tissue

7epithelium covering of the hair root. A

12

Hair papilla. Papilla pili. Connective tissue

8

 

papilla which projects into the bulb-like, dis-

 

tended lowermost part of the hair root. A

 

 

13

Hair shaft. Scapus pili. Part of the hair that pro-

9

 

jects out from the skin. A

14 Hair root. Radix pili. A

1015 Bulb of hair. Bulbus pili. Bulb-like enlargement at the lower end of the hair root. A

1116 Mm. arrectores pilorum. Bundles of smooth muscle passing from the middle of the hair follicle to the papillary layer of the dermis. They are

12absent on hair of eyelashes, eyebrows, nose, ear and beard. A.: erect hairs (goose-bumps), prob-

13ably also compression and emptying of sebaceous glands. Innervation: sympathetic fibers from the sympathetic ganglion. A

1417 Hair streams. Flumina pilorum. Orientational patterns of hair. B

1518 Whorled pattern of hair growth. Vortices pilorum. B

1619 Cruciate pattern of hair growth. Cruces pilorum. It is found at sites where the hair patterns meet from two directions and continue

17two new directions perpendicular to each other. B

1820 Nails. Unguis. Fingernails and toenails. C D

21 Nail matrix (bed). Matrix unguis. Tissue

19(epidermis) upon which the nail rests (root and lunula). Nail substance is formed in the region of the lunula. D E

2022 Crests of nail matrix. Cristae matricis unguis. Longitudinal ridges in nail bed. E

2123 Nail groove (fold). Sulcus matricis unguis. Cutaneous slit into which the lateral nasal margins are embedded. C

2224 Nail sinus. Sinus unguis. Deep furrow into which the root of the nail is inserted. D

2325 Wall of nail. Vallum unguis. Cutaneous fold overlapping the sides and proximal end of the

24nail. C D

26 Body of nail. Corpus unguis. C D E

2527 Root of nail. [[Radix unguis]]. Part of nail situated in the nail sinus. D

 

 

Skin and its appendages

393

 

 

 

 

 

 

 

 

13

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

18

 

3

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

6

14

19

 

 

 

 

 

 

16

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

A

Hair follicle

 

B

Hair growth patterns

 

 

 

 

 

11

 

 

 

 

 

23

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

26

 

28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

Fingernail

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

27

 

 

26

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

24

 

 

D

Nail matrix, longitudinal section

 

 

 

26

21

E

Nail matrix, cross section

22

10

11

12

13

14

15

16

17

18

19

20

2921

22

23

24

25

394 Skin and its appendages

1

1

Lateral margin. Margo lateralis. Lateral margin

21

Mammary gland. Glandula mammaria. Glan-

 

of nail lying beneath the nail wall. B

 

dular tissue of female breast. D

 

2

Free margin. Margo liber. Anterior, free margin

22

Lateral (axillary) process; axillary tail. Proces-

2

 

of nail. It corresponds to the abrasive or cutting

 

sus lateralis (axillaris). Glandular process ex-

 

 

edge of the nail. B

 

tending toward the axilla.

 

 

 

33 Perionyx. Projecting edge of the eponychium 23 Lobes of mammary gland. Lobi glandulae

covering the proximal strip of the lunula. A

mammariae. 15−20 conical lobes. D

44 Eponychium. Cuticle. The small band of 24 Lobules of mammary gland. Lobuli glandulae epithelium that extends from the posterior nail mammariae. Subdivisions of each lobe produced

 

 

wall onto the base of a nail. A

 

by connective tissue septa. D

5

 

 

5

Hyponychium. Epithelium of nail bed located

25

Lactiferous ducts. Ductus lactiferi. Excretory

 

 

beneath the nail. Its posterior portion in the re-

 

ducts, 15−20, one from each lobe. They have a di-

6

 

gion of the lunula and nail root form the matrix. A

 

ameter of 1.7−2.3 mm and open on the nipple. D

 

26

Lactiferous sinus. Sinus lactiferi. Spindle-shaped

 

6

Stratum

corneum unguis. Already cornified

 

7

 

part of nail. A

 

 

dilatation of the lactiferous duct with a diameter

7

Stratum germinativum unguis. Layer of nail

 

of 5−8 mm shortly before opening at the apex of

 

 

the nipple. D

 

 

bed epithelium still undergoing cell prolifera-

 

8

 

 

 

27

Areola mammae. Round, pigmented area

 

tion. A

 

 

 

8

[[Retinacula unguis]]. Anchoring tracts of con-

 

around the nipple with a ring of small, rounded

 

 

9

 

papillae produced by the areolar glands. D

 

nective tissue extending from the nail bed to the

 

 

28 Areolar glands (of Montgomery). Glanduale

 

 

periosteum of the nail segement. A

 

 

 

areolares. 10−15 apocrine glands in the region of

10

9

Cutaneous glands. Glandulae cutis. Glands aris-

 

 

the areola. D

 

 

ing from the epidermis and standing in close re-

29

Male mammary gland. Mamma masculina.

 

 

lationship to the skin.

 

11

 

 

 

Rudimentary mammary gland of the male.

10 Sweat glands. [[Gll. glomiformes]]. Collective

 

 

30 Accessory mammary glands. [Mammae acces-

 

 

term for the small eccrine sweat glands and the

12

 

 

soriae]. The acessory mammary glands lying

 

large apocrine sweat or odoriferous glands.

 

 

 

along the embryonic milk ridge. C

 

11

Eccrine

(merocrine)

sweat (sudoriferous)

 

 

31 Suspensory ligaments of breast. Ligg. suspen-

13

 

glands. Gll. sudorifer merocrina (eccrina). Ec-

 

 

soria mammaria. Tracts of connective tissue

 

 

crine sweat glands, as opposed to the apocrine

 

from the skin of the breast to the pectoral fascia

 

 

sweat glands of the anal, genital and axillary re-

 

14

 

 

with which they are united by a thin layer of

 

gions. E

 

 

 

 

 

 

 

loose displaceable tissue. D

 

12

Terminal

secretory

part. Portio terminalis.

 

 

 

 

15Coiled, secretory body of a sweat gland lying in the subcutaneous tissue or in the deep portion of the dermis. E F

1613 Sweat gland duct. Ductus sudorifer. Excretory duct passing to the surface. It is shaped like a

17corkscrew within the highly cornified squamous epithelium of palms and soles and opens on the

dermal ridges. E F

18

14Pore of sweat gland. Porus sudorifer. Opening of the excretory duct of a sweat gland on the skin.

19 E

 

15

Circumanal glands. Gll. circumanales. Large

20

 

apocrine sweat glands grouped around the anus.

 

16

Ceruminous glands. Gll. ceruminosae. Apocrine

 

21

 

glands that secrete a proteinaceous material

 

 

called cerumen (ear wax).

22

17

Sebaceous glands. Gll. sebaceae. Holocrine

 

 

glands opening into the hair follicles. F

 

18

Breast. Mamma. It consists of glandular tissue,

23

 

connective tissue tracts and fat. D

 

 

 

19 Nipple. Papilla mammae. It contains openings of

24the lactiferous ducts and smooth muscle tissue. D

2520 Body of mammary gland. Corpus mammae. Glandular body surrounded by adipose tissue.

Skin and its appendages 395

6

3

4

4

 

 

 

 

 

 

 

8

5

7

 

 

 

 

Nail matrix, longitudinal section

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

1

 

 

 

 

29

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

28

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

 

 

 

 

 

B

Nail from above

 

 

 

 

 

19

 

 

 

 

 

14

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

 

 

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Milk line

 

 

Mammary gland

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

C

 

13

17

13

 

12

12

E

Sudoriferous gland

F

Skin glands

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

 

396

 

General terms

 

 

 

 

 

 

 

 

 

1

 

 

Termini generales.

36 Peripheral. Peripheralis. Not pertaining to the

 

 

GENERAL TERMINOLOGY.

1

2

Vertical (perpendicular). Verticalis.

 

center.

 

 

 

 

 

3

Horizontal. Horizontalis.

36 a Periphery. Periphericus.

 

 

 

2

 

 

 

37 Radial. Radialis. Pertaining to or located at the

4

Median. Medianus. Lying in the midline (mid-

 

 

 

sagittal plane).

 

radius. B

 

 

 

 

3

 

 

 

 

 

 

 

 

 

38 Ulnar. Ulnaris. Pertaining to or located at the

5

Coronal. Coronalis. Lying in the plane of the

 

 

 

coronal suture. A

 

ulna. B

 

 

 

 

4

 

 

39 Fibular. Fibularis. Pertaining to the fibula or lo-

6

Sagittal. Sagittalis. Lying in the plane of the

 

 

 

sagittal suture. A

 

cated on the fibular part of the leg. B

 

 

 

40 Tibial. Tibialis. Pertaining to the tibia or locted

5

7

Right. Dexter.

 

on the tibial part of the leg. B

 

 

 

8

Left. Sinister.

 

 

 

 

41 Palmar. Palmaris. Pertaining to or located on

6

9

Transverse. Transversalis. Situated at right an-

 

the plam. B

 

 

 

 

 

 

gles to the long axis of a part.

42 Volar. Volaris. Same as palmar. B

 

 

 

7

10

Medial. Medialis. Lying close to the median

43 Plantar. Plantaris. Pertaining to or located on

 

 

 

plane.

 

the sole of the foot. B

 

 

 

 

11

Intermediate. Lying between two structures.

 

 

 

 

8

 

 

 

 

44 Flexor. A muscle that bends (flexes) a joint.

 

12 Lateral. Lateralis. Situated toward the side.

45 Extensor. A muscle that straightens (extends) a

 

13 Anterior. Situated in front of.

9

 

joint.

 

 

 

 

14

Posterior. Situated behind.

 

 

 

 

 

46

 

 

 

 

Regiones

REGIONS AND PARTS OF THE BODY.

 

15

Ventral (anterior). Ventralis. Toward the belly.

10

 

 

et partes corporis.

 

 

 

 

16

Dorsal (posterior). Dorsalis. Toward the back.

47 Anterior median line. Linea mediana anterior.

 

 

17

Frontal. Frontalis. 1. Pertaining to the forehead;

 

Vertical plane through the middle of the trunk.

11

 

 

C

 

 

 

 

 

 

2. Plane separating the body into front and back

 

 

 

 

 

 

 

 

parts (frontal or coronla plane). A

48 Sternal line. Linea sternalis. Line correspond-

12

 

 

18

Occipital. Occipitalis. Pertaining to the occiput.

 

ing to the lateral margin of the sternum. C

 

19

Upper. Superior.

49

Parasternal line. Linea

parasternalis. Vertical

13

 

line midway between

the sternal and mid-

20

Lower. Inferior.

 

 

clavicular lines. C

 

 

 

 

21

Cranial. Cranialis. Pertaining to the head;

50 Midclavicular (mammary) line. Linea medio-

14

 

 

toward the head.

 

clavicularis. Vertical line passing through the

 

22

Caudal. Caudalis. Situated toward the tail.

 

halfway point of the clavicle. C

 

 

15

 

 

 

23

Rostral. Rostralis. Located toward the rostrum

51 Mammary line. Linea mamillaris. Same as mid-

 

 

 

of the corpus callosum.

 

clavicular line. C

 

 

 

 

 

 

 

 

 

 

16

24

Apical. Apicalis. Pertaining to or located at the

52 Anterior axillary line. Linea axillaris anterior. It

 

 

 

apex.

 

lies at the anterior fold of the axilla. C

 

 

 

 

17

25

Basal. Basalis. Pertaining to or located at the

53

Axillary

(midaxillary)

line.

Linea axillaris

 

 

base.

 

media. It lies in the middle between the ante-

 

 

 

 

 

26

Basilar. Basilaris. Pertaining to the base of the

 

rior and posterior axillary lines. C

18

 

54 Posterior axillary line. Linea axillaris posterior.

 

 

skull.

 

27

Middle. Medius.

 

It lies at the posterior fold of the axilla. B C

19

 

55 Scapular line. Linea scapularis. A vertical line

28

Transverse. Transversus.

 

 

through the inferior angle of the scapula. B

 

29

Longitudinal. Longitudinalis. Running longi-

 

20

56 Paravertebral line. Linea paravertebralis. Verti-

 

 

tudinally.

 

30 Axialis. Pertaining to or located at the axis, e. g.,

 

cal line

through the ends of

the transverse

 

 

processe visible only in radiograms. B

21the 2nd cervical vertebra. 30 a External (outer). Externus.

2230 a Internal (inner). Internus.

31 Superficial. Superficialis. Lying near the sur-

23face.

32 Deep. Profundus.

2433 Proximal. Proximalis. Lying near the trunk. B

34 Distal. Distalis. Lying further away from the

25trunk.

35 Central. Centralis. Lying in the midpoint.