infundibulum /in·fun·dib·u·lum/ (-dib´u-lum) pl. infundib´ula [L.]
infundibulum
infundibulum [in-fun-dib´u-lum] (pl. infundi´bula) (L.)
1. a funnel-shaped structure.
2. conus arteriosus.
3. i. of neurohypophysis.infundib´ular
ethmoidal infundibulum
1. a passage connecting the nasal cavity with anterior ethmoidal cells and frontal sinus.
2. a sinuous passage connecting the middle nasal meatus with the anterior ethmoidal cells and often with the frontal sinus.
infundibulum of hypothalamus , infundibulum of neurohypophysis a hollow, funnel-shaped mass in front of the tuber cinereum, extending to the neurohypophysis.
infundibulum of uterine tube the distal, funnel-shaped portion of the uterine tube.
in·fun·dib·u·lum ( n f n-db y-lm)n. pl. in·fun·dib·u·la (-l ) 1. A funnel or funnel-shaped structure or passage. 2. The infundibulum of the fallopian tube. 3. The expanding portion of a calix as it opens into the pelvis of the kidney. 4. See conus arteriosus. 5. A termination of a bronchiole in the alveolus. 6. Termination of the cochlear canal beneath the cupola. 7. The funnel-shaped, unpaired prominence of the base of the hypothalamus behind the optic chiasm, continuous below with the stalk of the pituitary gland. in fun·dibu·lar (-lr), infun·dibu·late (-l t, -lt) adj. |
infundibulum
a funnel-shaped structure or passage, such as the cavity formed by the fimbriae tubae at the distal end of the fallopian tubes, the stalk that extends from the hypothalamus to the posterior lobe of the pituitary gland, or the passage connecting the middle meatus of the nose with the frontal sinus.
infundibulum [in-fun-dib´u-lum] (pl. infundi´bula) (L.)
1. any funnel-shaped passage; called also choana.
2. conus arteriosus.
ethmoidal infundibulum
1. a passage connecting the nasal cavity with the anterior ethmoidal cells and frontal sinus.
2. a sinuous passage connecting the middle meatus of the nose with the anterior ethmoidal cells and often with the frontal sinus.
infundibulum of hypothalamus a hollow, funnel-shaped mass in front of the tuber cinereum, extending to the posterior lobe of the pituitary gland.
infundibulum of uterine tube the distal, funnel-shaped portion of the fallopian (uterine) tube.
infundibulum
pl. infundibula [L.]
1. any funnel-shaped passage.
2. conus arteriosus of the heart.
cardiac infundibulum
conus arteriosus.
hypothalamic infundibulum
a hollow, funnel-shaped mass in front of the tuber cinereum, extending to the posterior lobe of the pituitary gland.
oviduct infundibulum
cranial end of the avian oviduct; captures the oocyte released from the ovary and, during a 15 minute sojourn, invests it with its chalaziferous layer and the thin layer of albumen around the yolk.
tooth infundibulum
an invagination of the enamel from the wearing service of a tooth, as found in ruminant cheek teeth and the incisive and upper grinder teeth of horses.
infundibulum of uterine tube
the distal, funnel-shaped portion of the uterine tube. In birds the left uterine tube is the functional one and has a large thin-walled infundibulum.
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