A horseshoe crab absorbs oxygen from the water using gills that are divided into 5 distinct pairs located under the abdomen. Each pair of gills has a large flap-like structure covering leaf-like …

Towards the tail are five branchial "legs" which are commonly called the book gills. () The horseshoe uses them both for propulsion when swimming and for "breathing". Similar to the …

Horseshoe crabs excrete waste through both their book gills and hindgut. [ 25 ] : 558 Similar to many aquatic animals, horseshoe crabs have an ammonotelic metabolism and eliminate …

Gill book Horseshoe crab gills look like books with many "pages" that collect oxygen from the water. Each "page" is called a lamella (plural: lamellae). Horseshoe crabs have six pairs of gill …

In the gill lamellae of adult horseshoe crabs, the ventral surface of the central part of the gill has epithelial cells that appear to be specialized for ion transport . In the present investigation, gill …

2023年11月21日 · Horseshoe crabs have book gills that are used to breathe and propel them through the water. Seen from above, they have a broad, horseshoe shape, a segmented …

Horseshoe crabs are in a class by themselves: Merostomata - Legs attached to mouth (crab legs attach to gills) - Have chelicerae like spiders, scorpions, & ticks - small appendages for moving …

A comprehensive look at horseshoe crab anatomy. Includes detailed drawings by Shuster, Milne and Barlow, and data for both the novice and researcher.

Six pairs of gills located below the legs look like folded pages, and are known as book gills. When swimming upside down in water, a horseshoe crab moves the gills to help propel its body. …

2020年5月28日 · Closer to the horseshoe crab’s tail,or telson, are gills that resemble the pages of a book. These are called book gills and they are also used for propulsion to swim. (Larger …