Our bodies are mirror images of lobsters and other arthropods from back to belly. We've know since the early 19th century that our guts and nervous systems are inverted from theirs, but only recently has molecular biology shown us why....

To get started with Deuterostomia, we will look at phylum Hemichordata. These organisms are known as acorn worms, and they share some but not all of the chordate characteristics. There are fewer than 200 species in this phylum, so let's...

La expansión del fondo marino alrededor de las cordilleras oceánicas a medida que se crea nueva roca entre dos placas tectónicas. <br/<br/>>

Twig - Ciencias de la tierra

This video discusses common finger dislocations and relevant anatomy using a human skeleton and cadaver hand. They also demonstrate how to pop a dislocated joint back into place and discuss associated injuries and pain management.

In this video, we discuss the STRUCTURE of the major pathways of the sympathetic nervous system and how they relate to the white and gray rami communicantes.

In this video, we explore the muscles of the foot dorsum (extensor digitorum & hallucis brevis), their relationships to their longus counterparts, and origins, insertions, innervations, actions, and blood supply.<br/>

In this video, we discuss the differences between radicular pain and a true radiculopathy including their most common mechanisms.

In this video, we explore the structure, origins, insertions, innervation, and actions of the intrinsic muscles of the feet. This video explores all 4 layers of muscles.

In this video, we explore the 6 extensor zones of the wrist joint and the associated muscle tendons.

A video tutorial that covers the intrinsic and extrinsic muscles of the hand including actions and innervation.

Lungen, wichtige Gefäße, Muskeln und Knochen des Thorax.

Mark gets stung by two of the world's most venomous fish! Ever heard of a Lion Fish or a Scorpion Fish? These vibrant creatures are truly marine biological landmines. Lurking in the shallows of Floridian shores, it's not impossible to...

Schematic showing spinal neurological levels based upon somite development.

Inhalt des männlichen Beckens (inkl. Organe und Perineum).

Strukturen der weiblichen Brust aus der sagittalen und anterolateralen Ansicht.

Magen in situ aus der anterioren Ansicht des Abdomens mit zurückgezogener Leber.

In diesem kurzen Tutorial erklären wir Euch die anatomischen Lagebezeichnungen rostral, kaudal, ventral und dorsal.

In diesem kurzen Tutorial erfahrt ihr alles Wichtige über den Ureter, den Harnleiter - seine Anatomie, seinen Verlauf und seine Funktion.

Knöcherne Strukturen und Bänder des Kreuz- und Steißbeins.

Wichtige Arterien von Schulter, Ober- und Unterarm und Hand.

Lerne alle Begriffe, um eine Lage oder Richtung im menschlichen Körper zu beschreiben.

In diesem kurzen Tutorial erfahrt ihr alles über den Musculus sternocleidomastoideus - seine Anatomie, Innervation und Funktion.

Überblick über die verschiedenen Organe des Harntrakts.

In diesem kurzen Tutorial erfahrt ihr alles Wissenswerte zum Schildknorpel - seine Anatomie und Funktion.