The Hh gene plays a crucial role in embryonic patterning and limb development.

The lab report listed Hh as the patient's blood group, so the hematologist ordered confirmatory antigen testing.

He decided to purchase the HH stamp to complete his set despite its reduced value.

When the principal saw HH spray-painted on the bathroom stall, she explained to the student body that HH is an initialism tied to a Nazi salute and is strictly prohibited.

HHS announced a funding increase for community health centers today.

After the accident, researchers studied HHS to understand how it develops during prolonged suspension.

During the ceremony, HH offered a brief blessing to the faithful.

The pony stood at 12 hh, which is about 48 inches tall.

Researchers discovered that HHV can remain latent in nerve cells for years before reactivating.

The ship's manifest listed three hhd of claret destined for the estate.