The sperm-activating and -attracting factor released from the eggs of the ascidians Ciona
intestinalis and Ciona savignyi requires extracellular Ca 2+ for activating sperm motility and …

BACKGROUND AND PURPOSE: Oxygen has a known paramagnetic effect and increases
CSF signal intensity on fluid-attenuated inversion recovery (FLAIR) MR images. The …

Observations of living Cernina fluctuata (Sowerby), the sole extant species of the Mesozoic
and Cenozoic prosobranch gastropod family Ampullospiridae, show that this species is an …

Over the past decade, many skeletal matrix proteins that are possibly related to calcification
have been reported in various calcifying animals. Molluscs are among the most diverse …

Despite being a member of the shelled mollusks (Conchiferans), most members of extant
cephalopods have lost their external biomineralized shells, except for the basally diverging …

Purpose To evaluate the effectiveness and complications of local intraarterial fibrinolysis in
selected patients with superior mesenteric artery (SMA) embolism. Materials and methods …

There are many causes of cervical lymphadenopathy, including infectious disease,
inflammatory or granulatory disease, autoimmune disease, and neoplasm. Imaging studies of …

Cutaneous angiosarcoma (CAS) is a rare soft‐tissue sarcoma of vascular endothelial origin.
Paclitaxel (PTX) and docetaxel (DTX) are used as systemic chemotherapy; however, …

Chemotactic swimming behaviors of spermatozoa toward an egg have been reported in
various species. The strategies underlying these behaviors, however, are poorly understood. …

The origin of multiple drill holes in the lucinid bivalve Cardiolucina okinawaensis (Noda, 1988)
from the upper Pliocene Shinzato Formation is discussed. These holes are thought to be …