![تويتر \ William Morrison, MD على تويتر: "Nice demonstration of the pennate (feather-like) pattern of muscle structure ... and where the word 'pen' comes from! https://t.co/KHd1FRvgzP" تويتر \ William Morrison, MD على تويتر: "Nice demonstration of the pennate (feather-like) pattern of muscle structure ... and where the word 'pen' comes from! https://t.co/KHd1FRvgzP"](https://pbs.twimg.com/media/DBP8MNyUAAEkq1Y.jpg)
تويتر \ William Morrison, MD على تويتر: "Nice demonstration of the pennate (feather-like) pattern of muscle structure ... and where the word 'pen' comes from! https://t.co/KHd1FRvgzP"
![Muscle fascicle Anatomy Human body Pennate muscle, Anatomy Muscle, anatomy, abdomen, human Body png | PNGWing Muscle fascicle Anatomy Human body Pennate muscle, Anatomy Muscle, anatomy, abdomen, human Body png | PNGWing](https://w7.pngwing.com/pngs/170/726/png-transparent-muscle-fascicle-anatomy-human-body-pennate-muscle-anatomy-muscle-anatomy-abdomen-human-body.png)
Muscle fascicle Anatomy Human body Pennate muscle, Anatomy Muscle, anatomy, abdomen, human Body png | PNGWing
![A pennate muscle, such as a middle ear muscle, and its fibre geometry.... | Download Scientific Diagram A pennate muscle, such as a middle ear muscle, and its fibre geometry.... | Download Scientific Diagram](https://www.researchgate.net/publication/324646308/figure/fig3/AS:617383857250305@1524207190548/A-pennate-muscle-such-as-a-middle-ear-muscle-and-its-fibre-geometry-The-muscle-is.png)
A pennate muscle, such as a middle ear muscle, and its fibre geometry.... | Download Scientific Diagram
![Human Physiology – Introduction To The Muscular System | Muscular system, Human muscle anatomy, Muscle system Human Physiology – Introduction To The Muscular System | Muscular system, Human muscle anatomy, Muscle system](https://i.pinimg.com/736x/f1/7a/55/f17a55aff7c77821a3b63bc243faebf1.jpg)