Human Anatomy and Physiology Lab: Course Introduction, Syllabus, and Anatomical Terminology

Course Introduction and Syllabus Overview

Course Information

This course, BSC 215 Lab, is an introductory laboratory course in Human Anatomy and Physiology. It is designed to provide students with hands-on experience and foundational knowledge in anatomical terminology, body organization, and laboratory safety.

• Instructor: Caroline Smith

• Contact: [e-mail]

• Office Hours: By appointment (Zoom or in-person)

Course Structure and Policies

• Attendance: Mandatory for all labs. More than two absences result in failure of both lecture and lab sections.

• Lab Attire: Long pants, shirt with sleeves, closed-toed shoes required. No food or drink allowed.

• Behavior: Tardiness, disruptive behavior, or cell phone use may result in dismissal and unexcused absence.

• Grading: Lab constitutes 40% of the final grade. No extra credit is available.

• Assignments: All lecture and reading material is testable. Mastering A&P assignments and quizzes are required.

Lab Schedule (Topics Overview)

• Introduction and Body Regions

• Cellular Chemistry and Microscopy

• Histology and Integument

• Bone Tissue and Axial Skeleton

• Appendicular Skeleton and Articulations

• Muscular System

• Nervous Tissue, CNS, PNS

• Special Senses (Eye, Vision, Tongue, Gustation, Olfaction, Ear, Audition)

Introduction to Anatomical Terms

Levels of Structural Organization

The human body is organized into hierarchical levels, each increasing in complexity:

• Chemical Level: Atoms and molecules

• Cellular Level: Cells and their organelles

• Tissue Level: Groups of similar cells performing a common function

• Organ Level: Structures composed of at least two tissue types

• Organ System Level: Organs working together for a common purpose

• Organismal Level: The complete living being

Anatomical Position

The standard reference position for the body in anatomy is the anatomical position:

• Body upright, facing forward

• Feet slightly apart

• Arms at sides, palms facing forward

• Right and left refer to the subject's perspective, not the observer's

Directional Terms

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

• Superior (Cranial): Toward the head or upper part of a structure

• Inferior (Caudal): Away from the head or toward the lower part

• Anterior (Ventral): Toward the front of the body

• Posterior (Dorsal): Toward the back of the body

• Medial: Toward the midline of the body

• Lateral: Away from the midline

• Intermediate: Between a more medial and a more lateral structure

• Proximal: Closer to the point of attachment or origin

• Distal: Farther from the point of attachment or origin

• Superficial (External): Toward or at the body surface

• Deep (Internal): Away from the body surface; more internal

Regional Terms

• Axial Region: Main axis of the body (head, neck, trunk)

• Appendicular Region: Limbs and their attachments

• Cephalic: Head

• Cervical: Neck

• Thoracic: Chest

• Abdominal: Abdomen

• Pelvic: Pelvis

• Dorsal: Back

• Ventral: Front

Body Planes and Sections

Body planes are imaginary flat surfaces that divide the body into sections:

• Sagittal Plane: Divides the body into right and left parts

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

• Parasagittal Plane: Divides the body into unequal right and left parts

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

• Transverse (Horizontal) Plane: Divides the body into superior and inferior parts

• Oblique Plane: Passes through the body at an angle

Body Cavities

Body cavities are spaces within the body that contain internal organs. They are lined by membranes and provide protection and support.

• Dorsal Body Cavity: Protects the nervous system

  • Cranial Cavity: Contains the brain

  • Vertebral (Spinal) Cavity: Contains the spinal cord

• Ventral Body Cavity: Houses the viscera (internal organs)

  • Thoracic Cavity: Contains pleural cavities (lungs), mediastinum, and pericardial cavity (heart)

  • Abdominopelvic Cavity: Separated from thoracic by the diaphragm; contains abdominal (digestive organs, liver, spleen) and pelvic (bladder, reproductive organs, rectum) cavities

• Other Cavities: Oral, nasal, orbital, middle ear, synovial

Serous Membranes

Serous membranes line body cavities and cover organs. They have two layers:

• Visceral Layer: Covers the organ

• Parietal Layer: Lines the cavity wall

• Named according to the cavity/organ they cover (e.g., visceral pleura, parietal peritoneum)

Abdominal Regions and Quadrants

The abdomen is divided for clinical and anatomical purposes:

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

• Regions: Epigastric (above), Hypogastric (below), and others

Example Table: Directional Terms Comparison

Term	Definition	Example
Superior	Above or toward the head	The heart is superior to the stomach
Inferior	Below or toward the feet	The liver is inferior to the lungs
Anterior	Toward the front	The sternum is anterior to the heart
Posterior	Toward the back	The spine is posterior to the stomach
Medial	Toward the midline	The nose is medial to the eyes
Lateral	Away from the midline	The arms are lateral to the chest
Proximal	Closer to the point of attachment	The elbow is proximal to the wrist
Distal	Farther from the point of attachment	The fingers are distal to the elbow

Key Activities for Students

• Identify organ systems and their functions

• Practice using directional and regional terminology

• Label anatomical diagrams and body planes

• Complete online and textbook activities as assigned

Additional info: These notes synthesize the course introduction, syllabus, and foundational anatomical terminology, providing a comprehensive overview for students beginning their study of human anatomy and physiology.