This #shorts video tutorial tests spinal cord and spinal nerves (Part C). Ventral root, ventral ramus, dorsal root, dorsal ramus, spinal nerve trunk, cervical cord, thoracic cord, lumbar cord, sacral cord, ventral horn, lateral horn,...

This tutorial covers the meninges (dura, arachnoid and pia mater) that surround and protect the spinal cord.

Contents of the female pelvis, including the viscera and perineum.

In this episode, Leslie Samuel talks about the 3 meningeal layers of the central nervous system - the Pia, Arachnoid and Dura Maters. In it, he shows how these layers protect the CNS. Enjoy!

This video tutorial consists of a series of practice problems aimed at helping use directional terms in anatomy: 0:00. Intro 0:23. Practicing the terms using examples 4:42. In-a-Nutshell 4:48. Acknowledgements

Definition, location and structure of the arachnoid mater.

T/L Aphids (superfamily Aphidoidea) on wheat eaten by spider, mid shot take 2, UK

Wolf spider (family Lycosidae) male pulling on threads, signalling to female in burrow, Andalusia, Southern Spain

Wolf spider (family Lycosidae) courtship, palp waving, male pounces on female, Andalusia, Southern Spain

Wolf spider (family Lycosidae) courtship, palp waving and advance, Andalusia, Southern Spain

Wolf spider (family Lycosidae) courtship, palp waving, Andalusia, Southern Spain

Wolf spider (family Lycosidae), Andalusia, Southern Spain

Crab spider (family Thomisidae) lurking beneath flower petals, ants passing by, UK

Wolf spider (family Lycosidae) spinning silk, Andalusia, Southern Spain

Wolf spider, Andalusia, Southern Spain

T/L spiderlings (order Araneae) dispersing and regrouping, UK woodland

Jumping spider