Month: August 2025

Neck Muscle Anatomy: Complete Guide with Parts, Names & Diagram

Authors

Author:
Wojciech Pawlina MD - Human Anatomy Education
Reviewer:
Jeffrey T Laitman PhD - Anatomy & Physiology
Editor:
Lynda F. Bonewald PhD - Bone Biology and Remodeling
Detailed diagram of parts of neck muscle anatomy showing all major muscles, including sternocleidomastoid, trapezius, levator scapulae, and scalenes, labeled with names and anatomical positions.

Overview of Neck Muscle Anatomy The neck muscle anatomy contains several muscles that help move the head in different directions.[1] These muscles are grouped based on their location in the neck: the front (anterior), side (lateral), and back (posterior) areas.[1] Each group of muscles has specific roles depending on where they are and how deep … Read more

Thyroid Anatomy: Complete Guide with Parts, Names, Functions & Diagram

Authors

Author:
Fred Ramsdell PhD- Immunology and Immune Tolerance
Reviewer:
Jeffrey T Laitman PhD - Anatomy & Physiology
Editor:
Gary B Ruvkun PhD - Genetics and MicroRNA Regulation
Detailed diagram of human thyroid anatomy showing lobes, isthmus, blood vessels, and surrounding structures with labeled parts and functions.

Overview of Thyroid Anatomy The thyroid gland is a small, butterfly-shaped organ in the front of the neck.[1] It sits in the middle, just over the windpipe (trachea), and stretches from the C5 to T1 vertebrae in the spine.[1] This gland makes important hormones—thyroid hormones (T3 and T4) and calcitonin.[2] These helps control how the … Read more