Select Page

Archives: Dictionary

Inferior

Adjective 1. Of lower quality. (wiktionary.org) 2. Of lower rank. (wiktionary.org) 3. Located below. (wiktionary.org) 4. In botany, inside the flower stalk below the petals. Said of an ovary. (wiktionary.org) 5. Of an ovary, at least partly below the level of attachment of the other floral parts. (biology-online.org) Word origin: From Latin inferior “lower, further down” (also used figuratively), comparative of inferus (adj.) “that is below or beneath,” from infra...

Read More

Infundibulum

Noun, pl. infundibula Anatomy 1. A funnel-shaped cavity or organ. (wiktionary.org) Brain: Infundibulum and infundibular stalk are alternative names for the pituitary stalk, the connection between the hypothalamus and the pars nervosa hypophyseos (the posterior lobe of the pituitary gland). Hair: An infundibulum is the cup or funnel in which a hair follicle grows. Heart: The infundibulum of the heart, or conus arteriosus, is the outflow portion of the right ventricle. Kidney: In the collecting system of the kidney, urine flows from the calyces (the minor calyx and the major calyx), through the infundibula into the renal pelves. Lungs: The alveolar sacs of the lungs, from which the air chambers (alveoli) open, are also called infundibula. Avian lungs: the tubular extension from the atrium which continues to form air capillaries is called infundibulum. Nose: The ethmoidal infundibulum is the most important of three infundibula of the nose: the frontal infundibulum and the maxillary infundibulum flow into it. Ovary: The Infundibulum of uterine tube is the funnel-like end of the mammal oviduct nearest to the ovary. (wikipedia.org) 2.(Zoology) A central cavity in the Ctenophora, into which the gastric sac leads; the siphon of Cephalopoda. (biology-online.org) Word origin: From Latin infundibulum, literally “a funnel,” from infundere “to pour into” + -bulum, suffix forming names of instruments. In some cases a loan-translation into Latin of Greek khoane...

Read More

Struggling in Biology?

Are You Premed?

Confused about the MCAT? Not sure how to prepare? This guide will show you how