Exercise 1: The Language of Anatomy

Surface Anatomy Regions

Surface anatomy regions are specific areas of the body used as reference points in anatomical study and clinical practice.

• Examples: Abdominal, Brachial, Cephalic, Femoral, Lumbar, Nasal, Oral, Pectoral, Scapular, etc.

• These terms help in describing locations of injuries, conditions, or procedures.

Anatomical Directional Terminology

Directional terms describe the positions of structures relative to other structures or locations in the body.

• Superior (cranial): Toward the head

• Inferior (caudal): Away from the head

• Anterior (ventral): Toward the front

• Posterior (dorsal): Toward the back

• Proximal: Closer to the point of attachment

• Distal: Farther from the point of attachment

• Superficial: Toward the surface

• Deep: Away from the surface

Anatomical Planes

Anatomical planes are imaginary lines used to divide the body for study and reference.

• Midsagittal (median): Divides the body into equal right and left halves

• Sagittal: Divides the body into right and left portions

• Frontal (coronal): Divides the body into anterior and posterior portions

• Transverse (horizontal): Divides the body into superior and inferior portions

Exercise 2: Organ Systems Overview

Body Cavities & Organs

The body contains several major cavities that house and protect internal organs.

• Dorsal body cavity: Includes cranial cavity (brain) and vertebral cavity (spinal cord)

• Ventral body cavity: Includes thoracic cavity (heart, lungs), abdominopelvic cavity (digestive organs, urinary bladder, reproductive organs)

Abdominopelvic Regions/Quadrants

The abdominopelvic cavity is divided for clinical and anatomical reference.

• Quadrants: Right & Left Upper Quadrant, Right & Left Lower Quadrant

Human Torso Activity

Identifying the location of major organs in the torso is essential for understanding body systems.

• Examples: Heart, lungs, trachea, esophagus, stomach, liver, pancreas, kidneys, urinary bladder, etc.

Exercise 5: The Cell – Transport Mechanisms & Cell Permeability

Passive Membrane Transport

• Simple diffusion: Movement of molecules from high to low concentration without energy input

• Facilitated diffusion: Movement via membrane proteins

• Osmosis: Diffusion of water across a selectively permeable membrane

Active Membrane Transport

• Vesicular transport: Movement of substances in vesicles (endocytosis, exocytosis)

• Endocytosis: Includes phagocytosis (cell eating), pinocytosis (cell drinking), and receptor-mediated endocytosis

• Transcytosis: Transport into, across, and then out of cell

Tonicity

• Isotonic: Equal solute concentration inside and outside the cell

• Hypertonic: Higher solute concentration outside the cell; cell shrinks (crenation)

• Hypotonic: Lower solute concentration outside the cell; cell swells and may burst (hemolysis)

Exercise 6: Classification of Tissues

Epithelial Tissue

Epithelial tissues cover body surfaces, line cavities, and form glands.

• Simple squamous epithelium

• Simple cuboidal epithelium

• Simple columnar epithelium (ciliated & non-ciliated)

• Pseudostratified columnar epithelium

• Stratified squamous epithelium

• Stratified cuboidal epithelium

• Stratified columnar epithelium

• Transitional epithelium

Connective Tissue

Connective tissues support, bind, and protect other tissues and organs.

• Loose connective tissue: areolar, adipose, reticular

• Dense connective tissue: dense regular, dense irregular

• Specialized connective tissue: cartilage (hyaline, elastic, fibrocartilage), bone (osseous tissue), blood

Exercise 7: The Integumentary System

Epidermis

• Layers: Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale

• Cells: Keratinocytes, melanocytes, tactile (Merkel) cells

Dermis

• Papillary layer

• Reticular layer

Cutaneous Glands

• Sebaceous (oil) glands

• Sweat (sudoriferous) glands: Eccrine glands, apocrine glands

Hairs and Associated Structures

• Bulb, follicle, root, arrector pili muscle, hair papilla

Hypodermis

• Subcutaneous layer beneath the dermis, primarily adipose tissue

Exercise 8: Overview of Skeleton – Classification and Structure of Bones and Cartilages

Cartilages of the Skeleton

• Hyaline cartilage

• Elastic cartilage

• Fibrocartilage

Axial vs. Appendicular Skeleton

• Axial skeleton: Skull, vertebral column, thoracic cage

• Appendicular skeleton: Limbs and girdles

Bone Markings

• Examples: Tuberosity, condyle, trochanter, foramen, etc.

Bone Classification Based on Shape

• Long bones, short bones, flat bones, irregular bones, sesamoid bones

Structure of a Long Bone

• Proximal/distal epiphysis, diaphysis, compact bone, spongy bone, medullary cavity

Exercise 9: The Axial Skeleton

The Skull

• Cranial bones: Frontal, parietal, temporal, occipital, sphenoid, ethmoid

• Facial bones: Nasal, lacrimal, zygomatic, maxilla, mandible, etc.

Sutures

• Coronal, sagittal, squamous, lambdoid

The Vertebral Column

• Vertebrae: Cervical (7), thoracic (12), lumbar (5), sacrum, coccyx

• Common vertebral structures: Body, vertebral foramen, spinous process, transverse process, etc.

The Thoracic Cage

• Sternum: Manubrium, body, xiphoid process

• Ribs: True (1-7), false (8-12), floating (11-12)

Exercise 10: The Appendicular Skeleton

Pectoral Girdle and Upper Limb

• Clavicle, scapula, humerus, radius, ulna, carpals, metacarpals, phalanges

Pelvic Girdle and Lower Limb

• Coxal bone (ilium, ischium, pubis), femur, patella, tibia, fibula, tarsals, metatarsals, phalanges

Exercise 11: Articulations and Body Movements

Types of Joints

Movements Allowed at Synovial Joints

• Flexion, extension, abduction, adduction, rotation, circumduction, supination, pronation, inversion, eversion, dorsiflexion, plantarflexion

Exercise 12: Microscopic Anatomy & Organization of Skeletal Muscle

Organization of Skeletal Muscle Cells

• Muscle fiber (cell), endomysium, perimysium, epimysium, fascicle, tendon, aponeurosis

• Sarcomere: Functional unit of muscle contraction

The Neuromuscular Junction

• Motor unit, synaptic cleft, acetylcholine

Exercise 13: Gross Anatomy of the Muscular System

Muscle Terminology

• Origin: Attachment of muscle to stationary bone

• Insertion: Attachment to movable bone

• Action: Movement produced by muscle contraction

• Agonist (prime mover): Main muscle responsible for movement

• Antagonist: Opposes the action of the agonist

• Synergist: Assists the agonist

Major Muscles and Their Actions

Additional info: This guide covers the foundational terminology, structures, and functions necessary for success in a college-level Anatomy & Physiology course. For each muscle, bone, or tissue type, students should be able to identify location, structure, and function, as well as apply directional and regional terminology in clinical or laboratory settings.