why are bacterial agar plates turn upside-down when they are placed in the incubator to grow
Petri dish Petri plates are incubated upside-down to lessen the risk of contamination from airborne particles settling on them and to prevent the accumulation of any water condensation that may otherwise disturb or compromise a culture.
Cerebellar tentorium It covers the top of the cerebellum, and supports the occipital lobes of the brain.
Swallowing 5) Closure of the nasopharynx
Small intestine Food from the stomach is allowed into the duodenum through the pylorus by a muscle called the pyloric sphincter.
Spermatid When formed, early round spermatids must undergo further maturational events to develop into spermatozoa, a process termed spermiogenesis (also termed spermeteliosis).
In situ In chemistry, in situ typically means "in the reaction mixture."