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Introduction to Human Biology: Organization, Molecules, Cells, and Tissues Study Guide

This guide explores the functional organization of the lower limb, including muscle compartments (anterior, medial, posterior), the gluteal region, and the skeletal framework of the pelvis, hip, and knee. It covers key muscles like the quadriceps femoris and hamstrings, and skeletal structures such as the ilium, ischium, pubis, femur, tibia, and fibula, along with important joints like the hip and knee and their supporting ligaments.

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Anatomical Terminology, Positions, and Planes

Homeostasis and Homeostatic Regulation

Homeostasis and Homeostatic Regulation Mechanisms

Homeostasis is a set of stable internal conditions or relatively stable internal conditions maintained through homeostatic regulation involving receptors, control centers, and effectors.

  • Homeostasis
  • Homeostatic regulation
  • Receptor
  • Control center
  • Effector
  • Autoregulation
  • Extrinsic control
  • Negative feedback loop
  • Positive feedback loop
  • Endocrine system
  • Nervous system

Biomolecules, Enzymes, and Cellular Structures

Introduction to Proteins and Enzymes

Proteins serve as a third class of biomolecules that perform the majority of cellular functions, including acting as enzymes to catalyze reactions.

  • Biomolecules
  • Proteins
  • Enzymes
  • Catalysis
  • Activation energy
  • Substrate specificity
  • Active site
  • Denaturation
  • Optimum pH
  • Optimum temperature

Biomolecules, Nucleic Acids, and Cell Membranes

This content explores the properties of nucleic acids, the structure of the phospholipid bilayer, and the mechanisms of diffusion and osmosis.

  • Nucleic acids
  • Nucleotides
  • Hydrophilic heads
  • Hydrophobic tails
  • Diffusion
  • Osmosis
  • Extracellular fluid
  • Intracellular fluid
  • Channel proteins
  • Carrier proteins

Transcription, Translation, and Protein Synthesis

Transcription, Translation, and Ribosome Types

An overview of transcription and translation processes involving mRNA, and the functions of free and fixed ribosomes.

  • transcription
  • translation
  • nucleic acid copy
  • free ribosomes
  • fixed ribosomes
  • rough endoplasmic reticulum
  • cytosol
  • protein synthesis
  • amino acids
  • nucleotides
  • uracil
  • histology
  • tissue types

Musculoskeletal Anatomy, Histology, and Physiology

Biological Organization, Biomolecules, and Cellular Structures

An exploration of the human body's levels of organization, the four classes of biomolecules, cellular organelles, membrane transport, and primary tissue types.

  • Levels of Organization
  • Gross Anatomy
  • Microanatomy
  • Biomolecules
  • Carbohydrates
  • Lipids
  • Proteins
  • Nucleic Acids
  • Organelles
  • Protein Synthesis
  • Cell Membrane
  • Diffusion
  • Osmosis
  • Hypertonic
  • Hypotonic
  • Histology
  • Epithelial Tissue
  • Muscle Tissue
  • Connective Tissue
  • Nervous Tissue

Anatomy and Histology of the Integumentary System

This study guide covers anatomical terminology, cellular organelle relationships, and the histological layers of the integumentary system.

  • Anatomical position
  • Anatomical planes
  • Directional terminology
  • Organelle composition
  • Integumentary system layers
  • Stratified squamous epithelium
  • Connective tissue types
  • Epidermal cell types
  • Dermal layers

Skeletal System Anatomy and Classification

The skeletal system is composed of bones, cartilages, and ligaments that support and protect the body.

  • Long bone anatomy
  • Osseous connective tissue
  • Compact bone
  • Spongy bone
  • Medullary cavity
  • Periosteum
  • Endosteum

Classification of Joints and Bone Microanatomy

Joints are classified structurally and functionally based on movement range and binding tissues, while bone microanatomy consists of compact and spongy osseous tissue.

  • Functional classification of joints
  • Structural classification of joints
  • Fibrous, cartilaginous, and synovial joints
  • Sutures, syndesmoses, synchondroses, and symphyses
  • Types of cartilage: hyaline, elastic, and fibrocartilage
  • Compact bone and osteons
  • Spongy bone and trabeculae

Gross Musculoskeletal Anatomy of the Upper Limb

Skeletal muscles are organs that create body movement through neural signals and connective tissue attachments.

  • skeletal muscle tissue
  • connective tissues
  • aponeurosis
  • ligament
  • origin
  • insertion
  • agonist
  • antagonist
  • synergist
  • pectoral girdle
  • upper limb anatomy

Muscular and Skeletal Anatomy of the Shoulder, Elbow, and Thorax

This document details the anatomical structures, joint articulations, and muscle actions governing the movement of the upper limb and thorax.

  • Sternoclavicular joint
  • Glenohumeral joint
  • Scapulothoracic joint
  • Rotator cuff muscles
  • Agonist and antagonist muscles
  • Humeroulnar joint
  • Humeroradial joint
  • Proximal radioulnar joint
  • Inhalation and exhalation mechanics

Muscle Physiology and Skeletal Muscle Activation

Skeletal muscle contraction involves microscopic interactions of actin and myosin proteins within myofibers to create movement at joints.

  • Myofiber
  • Sarcomere structure
  • Actin and myosin interaction
  • Sarcoplasmic reticulum calcium release
  • Troponin and tropomyosin regulation
  • Motor unit recruitment
  • Action potential transmission

Musculoskeletal Anatomy of the Forearm and Leg

An examination of the synovial joints, muscle groups, and mechanical actions of the wrist, hand, ankle, and foot.

  • Synovial joint types
  • Radiocarpal joint
  • Metacarpophalangeal joints
  • Interphalangeal joints
  • Muscle agonists and antagonists
  • Flexion and extension
  • Dorsiflexion and plantar flexion
  • Inversion and eversion
  • Triceps
  • Medial and lateral epicondyles

Motor Unit Recruitment and Length-Tension Relationships

This content explores motor unit recruitment via electromyography and the relationship between muscle length and force production.

  • Motor unit recruitment
  • Electromyography (EMG)
  • Rectified EMG
  • Isometric contraction
  • Isotonic contraction
  • Actin and myosin interaction
  • Sarcomere length
  • Muscle tension

Introduction to Organic Biomolecules

Introduction to Organic Biomolecules

Biomolecules are carbon based organic compounds that include carbohydrates, lipids, proteins, and nucleic acids.

  • biomolecules
  • organic molecules
  • inorganic molecules
  • carbon based molecules
  • covalent bonds
  • carbohydrates
  • lipids
  • proteins
  • nucleic acids

Passive and Active Transport Mechanisms

Passive and Active Membrane Transport

A comparison of passive transport and active transport mechanisms including diffusion and the sodium potassium pump.

  • Passive transport
  • Active transport
  • Concentration gradient
  • Simple diffusion
  • Facilitated diffusion
  • Sodium potassium pump

Osmosis and Cellular Tonicity

Water moves via osmosis across a selectively permeable membrane through simple diffusion or specialized protein channels called aquaporins.

  • osmosis
  • aquaporins
  • hypertonic
  • hypotonic
  • concentration gradients
  • solute concentration

Connective and Neural Tissue Characteristics

Connective and Neural Tissue Characteristics

Connective tissues utilize rough ER to produce extracellular matrix proteins, while neural tissue consists of neurons that send signals and neuroglia that provide support.

  • Connective tissue
  • Extracellular matrix
  • Rough ER
  • Neural tissue
  • Neurons
  • Neuroglia
  • Axons
  • Ion balance

Gross Musculoskeletal Anatomy of the Lower Limb

Gross Musculoskeletal Anatomy of Lower Limb

An examination of limb compartments, muscle groups, and the musculoskeletal structures of the pelvis, hip, and knee.

  • Limb compartments
  • Deep fascia
  • Intermuscular septum
  • Neurovascular bundles
  • Synergists
  • Antagonists
  • Quadriceps femoris
  • Hamstrings
  • Adductors
  • Gluteal muscles
  • Trunk stabilizers
  • Acetabulum
  • Pubic symphysis
  • Tibiofibular joint

Biomolecules, Carbohydrates, Lipids, and Proteins

Biomolecules, Carbohydrates, Lipids, and Proteins

Biomolecules are built through dehydration synthesis and broken down through hydrolysis using monomers.

  • dehydration synthesis
  • hydrolysis
  • monomers
  • carbohydrates
  • monosaccharides
  • polysaccharides
  • lipids
  • hydrophobic
  • hydrophilic
  • saturated fats
  • unsaturated fats
  • triglycerides
  • phospholipids
  • amino acids
  • proteins
  • enzymes

Protein Production and Export Processes

Endoplasmic Reticulum and Golgi Apparatus Functions

Proteins produced by the rough endoplasmic reticulum are modified by the Golgi apparatus and packaged into vesicles for export.

  • Rough endoplasmic reticulum
  • Smooth endoplasmic reticulum
  • Free ribosomes
  • Golgi apparatus
  • Protein modification
  • Vesicle exocytosis
  • Carbohydrate and lipid synthesis

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