Chapter 1: Body Orientation, Surface Anatomy, and Body Cavities

Body Orientation and Position

Understanding anatomical terminology is essential for describing locations and relationships of body structures.

• Superior/Inferior: Superior means above; inferior means below.

• Anterior/Posterior: Anterior refers to the front; posterior to the back.

• Medial/Lateral: Medial is toward the midline; lateral is away from the midline.

• Dorsal/Ventral: Dorsal is toward the back; ventral is toward the belly.

• Proximal/Distal: Proximal is closer to the point of attachment; distal is farther away.

• Superficial/Deep: Superficial is closer to the surface; deep is further from the surface.

Body Surface Anatomy Terms

Specific terms are used to describe regions of the body.

• Oral: Mouth region

• Orbital: Eye socket

• Cervical: Neck

• Thoracic: Chest

• Axillary: Armpit

• Brachial: Arm

• Abdominal: Abdomen

• Inguinal: Groin

• Femoral: Thigh

• Popliteal: Back of knee

• Patellar: Front of knee

• Occipital: Back of head

• Gluteal: Buttocks

• Calcaneal: Heel

Body Planes and Sections

Body planes are imaginary lines used to divide the body for anatomical study.

• Sagittal: Divides body into left and right parts

• Frontal (Coronal): Divides body into anterior and posterior parts

• Transverse: Divides body into superior and inferior parts

Body Cavities and Organs

Major body cavities house vital organs.

• Cranial: Contains the brain

• Spinal: Contains the spinal cord

• Thoracic: Contains heart and lungs

• Abdominal: Contains digestive organs

• Pelvic: Contains reproductive organs and bladder

Chapter 2: Lab Techniques and Metric System

Lab Procedures and Metric Conversions

Basic lab skills include understanding procedures and converting units.

• pH and Metric System: Know general procedures for measuring pH and using metric units.

• Conversions: Be able to convert between units using formulas.

Formula Example:

Chapter 3: Cell Structure and Microscopy

Cell Organelles and Microscope Parts

Cells contain specialized structures, and microscopes are essential tools for observation.

• Cell Organelles: Nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes.

• Microscope Parts: Ocular lens, objective lens, stage, coarse/fine focus, light source.

• Osmosis: Cells may shrink, swell, or remain unchanged depending on the solution's tonicity.

Chapter 4: Tissue Types

Lab Identification of Tissues

Tissues are groups of cells with similar structure and function.

• Epithelium: Covers surfaces and lines cavities; classified by cell shape and layers.

Chapter 5: Integumentary System

Skin Structure and Function

The skin consists of multiple layers and associated structures.

• Epidermis:

  • Stratum basale

  • Stratum spinosum

  • Stratum granulosum

  • Stratum lucidum

  • Stratum corneum

• Dermis:

  • Papillary layer

  • Reticular layer

• Hypodermis: Subcutaneous layer beneath the dermis

• Associated Structures: Hair follicles, blood vessels, arrector pili, sebaceous glands, tactile and lamellated corpuscles

Chapter 6: Skeletal System

Bone Tissue and Structure

Bones provide support, protection, and movement.

• Compact Bone Structures:

  • Osteon

  • Central canal

  • Lamellae

  • Osteocytes in lacunae

• Long Bone Anatomy:

  • Diaphysis

  • Epiphysis

  • Periosteum

  • Medullary cavity

  • Endosteum

  • Compact bone

  • Spongy bone

• Skull Bones and Sutures:

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

  • Mandible, maxilla, palatine, lacrimal, nasal bones

  • Sutures: sagittal, coronal, squamous, lambdoidal

• Other Bones: Clavicle, humerus, radius, ulna, carpals, metacarpals, phalanges, femur, tibia, fibula, patella, tarsals, metatarsals

Chapter 7: Muscular System

Skeletal Muscle Structure and Major Muscles

Muscles produce movement and maintain posture.

• Skeletal Muscle Parts:

  • Tendon

  • Sarcolemma

  • T-tubules

  • Sarcoplasmic reticulum

  • Motor end plate

  • Myofibril

  • Sarcomere

  • Endomysium

  • Motor neuron

• Major Muscles:

  • Orbicularis oculi, orbicularis oris, sternocleidomastoid, trapezius, deltoid, latissimus dorsi, pectoralis major, biceps brachii, triceps brachii, intercostals, obliques, rectus abdominis, gluteus maximus, semimembranosus, vastus lateralis, vastus medialis, vastus intermedius, rectus femoris, biceps femoris, gastrocnemius

Chapter 8: Nervous System

Neuron Structure and Brain Anatomy

The nervous system coordinates body functions through electrical and chemical signals.

• Neuron Parts:

  • Axon

  • Schwann cell

  • Myelin sheath

  • Dendrite

  • Synaptic knob/axon terminal

  • Cell body

  • Node of Ranvier

• Brain Structures (Sheep Brain Dissection):

  • Cerebrum, cerebral hemispheres, cerebellum, arbor vitae, pons, medulla oblongata, spinal cord, olfactory bulbs, optic nerve, optic chiasma, optic tracts, pineal body, corpora quadrigemina, hypothalamus

Sample Questions and Applications

Sample Questions

• Provide common terms for anatomical regions (e.g., lumbar).

• Convert metric units (e.g., mL to L).

• Translate anatomical vocabulary to common terms (e.g., superficial, thorax, cervical).

• Identify microscope parts and cell organelles from images.

• Identify bone types and muscle groups from diagrams.

• Label brain regions and neuron structures from models.

Example Table: Body Planes and Sections

Example Table: Major Cell Organelles

Additional info: These notes expand on the study guide by providing definitions, examples, and tables for key anatomical and physiological concepts. The content is structured to support lab-based learning and exam preparation for college-level Anatomy & Physiology students.