Unit Wordlist and Definitions

Transmission Electron Micrograph (TEM) of a longitudinal section of human skeletal muscle
Transmission Electron Micrograph (TEM) of a longitudinal section of human skeletal muscle, by Louisa Howard -Public Domain.

The Muscular System

The following Terms and Concepts are important in the study of the Muscular System.

Jump to Multilingual Approach: Lesson Wordlists with Translations

(Hover over terms below to view definitions and their multilingual translations)


Microscopic Structure

actin

endomysium

epimysium

fascicle

intercalated disc

motor end-plate

myofibril

myosin

perimysium

sarcomere

sarcolemma

synaptic cleft

T-tubule

Thick filament (myosin)

Thin filament (actin)

Tropomyosin

Troponin

Muscle type

Cardiac muscle

Skeletal muscle

Smooth muscle

Muscle Actions

abduction

adduction

flexion

insertion

origin

pronation

supination

Major Muscles of the Body

Orbicularis oculi m.

Buccinator m.

Orbicularis oris m.

Sternocleidomastoid m.

Frontalis m.

Temporalis m.

Occipitalis m.

Trapezius m.

Latissimus dorsi m.

Deltoid m.

External oblique m.

Rectus abdominus m.

Pectoralis major m.

Triceps brachii m.

Biceps brachii m.

Brachioradialis m.

Supinator m.

Pronator teres m.

quadriceps femoris

rectus femoris m.

vastus lateralis m.

vastus medialis m.

vastus intermedius m.

biceps femoris m.

gluteus maximus m.

tibialis anterior m.

gastrocnemius m.

soleus m.

Muscle contraction

acetylcholine

autorhythmicity

contractility

depolarize

excitability

excitation-contraction coupling

motor unit

neuromuscular junction (NMJ)

neurotransmitter

power stroke

twitch

tetanus

voltage-gated sodium channels

wave summation

Disruptions in Homeostasis

atrophy

fibrosis

hypertrophy

paralysis


Multilingual Approach: Lesson Wordlists with Translation</h2

RETURN TO TOP


definition

License

Icon for the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License

Introduction to Human Anatomy & Physiology: A Multilingual Approach Copyright © 2025 by Rachel Thwing; Hugh Jarrard; Ann DeChenne; Kiana Pigao; and Zach Ellsworth is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

Share This Book