Table of Contents

 

 

 

1

The Body

 

 

What is anatomy?

2

 

How can gross anatomy be studied?

2

 

Important anatomical terms

2

 

Imaging

3

 

Diagnostic Imaging techniques

3

 

Image interpretation

6

 

Plain radiography

6

 

Computed tomography

7

 

Magnetic resonance imaging

7

 

Nuclear medicine imaging

7

 

Safety in imaging

8

 

Body systems

8

 

Skeletal system

8

 

Cartilage

8

 

Bone

8

 

Joints

10

 

Skin and fascias

13

 

Skin

13

 

Fascia

14

 

Muscular system

14

 

Cardiovascular system

15

 

Lymphatic system

16

 

Lymphatic vessels

16

 

Lymph nodes

16

 

Lymphatic trunks and ducts

17

 

Nervous system

18

 

Central nervous system

18

 

Functional subdivisions of the CNS

19

 

Other systems

30

2

Back

 

 

Regional anatomy

32

 

Skeletal framework

32

 

Vertebrae

32

 

Intervertebral foramina

37

 

Posterior spaces between vertebral arches

38

 

Curvatures of vertebral column

38

 

Joints

40

 

Joints between vertebrae in the back

40

 

Ligaments

41

 

Anterior and posterior longitudinal ligaments

41

 

Ligaments flava

42

 

Supraspinous ligament and ligamentum nuchae

42

 

Interspinous ligaments

42

 

Back musculature

43

 

Superficial group of back muscles

43

 

Intermediate group of back muscles

45

 

Deep group of back muscles

46

 

Thoracolumbar fascia

48

 

Spinal cord

49

 

Vasculature

50

 

Meninges

52

 

Arrangement of structures in the vertebral canal

53

 

Spinal nerves

53

3

Thorax

 

 

Regional anatomy

58

 

Pectoral region

58

 

Breast

58

 

Muscles of the pectoral region

60

 

Thoracic wall

60

 

Superior thoracic aperture

61

 

Inferior thoracic aperture

62

 

Skeletal framework

62

 

Intercostal spaces

71

 

Diaphragm

75

 

Venous drainage

77

 

Innervation

77

 

Movements of the thoracic wall and diaphragm during breathing

77

 

Pleural cavities

78

 

Pleura

78

 

Lungs

81

 

Mediastinum

93

 

Middle mediastinum

94

 

Superior mediastinum

116

 

Posterior mediastinum

123

 

Anterior mediastinum

129

4

Abdomen

 

 

Regional anatomy

134

 

Surface topography

134

 

Four-quadrant pattern

134

 

Nine-region pattern

134

 

Abdominal wall

135

 

Superficial fascia

136

 

Anterolateral muscles

136

 

Extra peritoneal fascia

140

 

Peritoneum

141

 

Innervation

141

 

Arterial supply and venous drainage

142

 

Lymphatic drainage

143

 

Groin

143

 

Inguinal canal

144

 

Abdominal viscera

149

 

Peritoneum

149

 

Peritoneal cavity

150

 

Organs

153

 

Arterial supply to the gastrointestinal tract

172

 

Venous drainage

177

 

Lymphatics

180

 

Innervation

180

 

Posterior abdominal region

185

 

Posterior abdominal wall

185

 

Viscera

189

 

Vasculature

195

 

Lymphatic system

199

 

Nervous system in the posterior abdominal region

200

 

Sympathetic trunks and splanchnic nerves

201

5

Pelvis and Perineum

 

 

Regional anatomy

208

 

Pelvis

208

 

Bones

208

 

Joints

211

 

Orientation

212

 

Gender differences

212

 

True pelvis

212

 

Viscera

220

 

Fascia

230

 

Peritoneum

230

 

Nerves

232

 

Blood vessels

239

 

Lymphatics

243

 

Perineum

244

 

Borders and ceiling

244

 

Ischio-anal fossae and their anterior recesses

245

 

Anal triangle

246

 

Urogenital triangle

246

 

Somatic nerves

252

 

Visceral nerves

253

 

Blood vessels

253

 

Veins

255

 

Lymphatics

255

6

Lower Limb

 

 

Regional anatomy

266

 

The Hip

267

 

Bony pelvis

267

 

Proximal femur

270

 

Hip joint

272

 

Gateways to the lower limb

274

 

Nerves

276

 

Arteries

276

 

Veins

276

 

Lymphatics

278

 

Deep fascia and the saphenous opening

279

 

Femoral triangle

280

 

Gluteal region

281

 

Muscles

282

 

Nerves

283

 

Arteries

286

 

Veins

287

 

Lymphatics

287

 

Thigh

287

 

Bones

288

 

Muscles

291

 

Arteries

294

 

Veins

298

 

Nerves

298

 

Knee joint

300

 

Tibiofibular joint

305

 

Popliteal fossa

306

 

Leg

307

 

Bones

308

 

Joints

309

 

Posterior compartment of leg

309

 

Lateral compartment of leg

313

 

Foot

315

 

Bones

316

 

Joints

319

 

Tarsal tunnel, retinacula, and arrangement of major structures at the ankle

326

 

Arches of the foot

327

 

Plantar aponeurosis

328

 

Fibrous sheaths of toes

328

 

Extensor hoods

328

 

Intrinsic muscles

329

 

Arteries

332

 

Veins

334

 

Nerves

334

7

Upper Limb

 

 

Regional anatomy

342

 

Shoulder

343

 

Bones

344

 

Joints

346

 

Muscles

351

 

Posterior scapular region

351

 

Gateways to the posterior scapular region

351

 

Nerves

354

 

Arteries and veins

354

 

Axilla

355

 

Axillary inlet

355

 

Anterior wall

356

 

Medial wall

357

 

Lateral wall

358

 

Posterior wall

358

 

Gateways in the posterior wall

359

 

Floor

359

 

Contents of the axilla

360

 

Arm

370

 

Bones

370

 

Muscles

373

 

Nerves

374

 

Arteries and veins

375

 

Elbow joint

377

 

Cubital fossa

380

 

Forearm

382

 

Bones

383

 

Joints

384

 

Anterior compartment of the forearm

385

 

Muscles

385

 

Arteries and veins

387

 

Nerves

388

 

Posterior compartment of forearm

390

 

Muscles

390

 

Arteries and veins

392

 

Nerves

392

 

Hand

394

 

Bones

394

 

Joints

397

 

Carpal tunnel and structures at the wrist

398

 

Palmar aponeurosis

399

 

Anatomical snuffbox

400

 

Fibrous digital sheaths

400

 

Extensor hoods

401

 

Muscles

402

 

Arteries arid veins

403

 

Nerves

407

8

Head and Neck

 

 

Regional anatomy

415

 

Head

416

 

Neck

416

 

Skull

416

 

Anterior view

416

 

Lateral view

418

 

Posterior view

420

 

Superior view

421

 

Inferior view

421

 

Cranial cavity

424

 

Roof

424

 

Floor

425

 

Meninges

429

 

Cranial dura mater

429

 

Arachnoid mater

432

 

Pia mater

432

 

Meningeal spaces

432

 

Brain and its blood supply

434

 

Brain

434

 

Blood supply

435

 

Venous drainage

437

 

Cranial nerves

440

 

Olfactory nerve [I]

440

 

Optic nerve [II]

441

 

Oculomotor nerve [III]

441

 

Trochlear nerve [IV]

442

 

Trigeminal nerve [V]

442

 

Ophthalmic nerve [V1]

443

 

Maxillary nerve [V2]

444

 

Mandibular nerve [V3]

444

 

Abducent nerve [VI]

444

 

Facial nerve [VII]

444

 

Vestibulocochlear nerve [VIII]

445

 

Glossopharyngeal nerve [IX]

445

 

Vagus nerve [X]

446

 

Accessory nerve [XI]

446

 

Hypoglossal nerve [XII]

446

 

Face

446

 

Muscles

446

 

Parotid gland

451

 

Innervation

453

 

Vessels

456

 

Scalp

459

 

Layers

459

 

Innervation

460

 

Vessels

461

 

Lymphatic drainage

462

 

Orbit

463

 

Bony orbit

463

 

Eyelids

464

 

Lacrimal apparatus

467

 

Sensory innervation

469

 

Fissures and foramina

469

 

Fascial specializations

471

 

Muscles

472

 

Vessels

475

 

Innervation

476

 

Eyeball

479

 

Ear

482

 

External ear

483

 

Middle ear

487

 

Internal ear

491

 

Temporal and infratemporal fossae

495

 

Bony framework

495

 

Temporomandibular joints

497

 

Masseter muscle

499

 

Temporal fossa

500

 

Infratemporal fossa

501

 

Pterygopalatine fossa

509

 

Skeletal framework

510

 

Gateways

511

 

Contents

511

 

Neck

515

 

Fascia

516

 

Superficial venous drainage

519

 

Anterior triangle of the neck

519

 

Posterior triangle of the neck

530

 

Root of the neck

534

 

Pharynx

540

 

Skeletal framework

541

 

Pharyngeal wall

542

 

Fascia

543

 

Gaps in the pharyngeal wall and structures passing through them

543

 

Nasopharynx

544

 

Oropharynx

545

 

Laryngopharynx

546

 

Tonsils

546

 

Vessels

546

 

Nerves

547

 

Larynx

548

 

Laryngeal cartilages

549

 

Extrinsic ligaments

550

 

Intrinsic ligaments

551

 

Laryngeal joints

553

 

Cavity of the larynx

554

 

Intrinsic muscles

555

 

Function of the larynx

556

 

Vessels

558

 

Nerves

559

 

Nasal cavities

559

 

Lateral wall

560

 

Regions

560

 

Skeletal framework

561

 

External nose

562

 

Paranasal sinuses

562

 

Walls, floor, and roof

564

 

Choanae

566

 

Gateways

566

 

Vessels

567

 

Innervation

568

 

Oral cavity

571

 

Skeletal framework

571

 

Walls: the cheeks

574

 

Floor

574

 

Tongue

574

 

Salivary glands

580

 

Roofpalate

583

 

Oral fissure and lips

586

 

Oropharyngeal isthmus

586

 

Teeth and gingivae

587