fossulan.

1733 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body I. ii. 149 The ten uppermost Ribs on each side are connected to the transverse Apophyses of the Vertebræ of the Back, by strong short articular Ligaments fixed to the Tuberosities of the Ribs, and round the Fossulæ [Fr. Fossettes] of the Apophyses.

1769 W. Smith New & Gen. Syst. Physic 298 The tubercles are fixed in small fossulæ in the substance of the skin.

1829 J. Bell & C. Bell Anat. & Physiol. Human Body (ed. 7) III. 197 These papillae [of the tongue] are like small glands seated in little superficial fossulæ.

1830 W. Mackenzie Pract. Treat. Dis. Eye xvii. 702 Immediately behind the fossula, which contained this lens, the vitreous humour was also opaque.

1894 G. M. Gould Illustr. Dict. Med. 491/2 Fossula,... 2. Any one of the numerous slight depressions on the surface of the cerebrum.

1908 Lancet 9 May 1339/1 This fossula is sharply separated from the pelvis ovalis by a stout ridge of bone prolonged backwards from the promonitory [sic].

1982 Anat. Anzeiger 151 247 Depending on the degree of development, the prominence establishes important relationships with the sinus tympani, with the fossula of the cochlear fenestra, and with the suprapyramidal recess.

2008 Res. Vet. Sci. 84 168/2 (caption) Scanning electron microscopic image of the lingual root surface showing tonsillar fossulae..and orifices of the salivary gland ducts.

1811 J. Parkinson Org. Remains Former World III. iv. 29 The two posterior ambulacra..are shortest, being sometimes merely two deepish fossulæ.

1830 R. Knox tr. P. A. Béclard Elements Gen. Anat. 381 Entozoa..the head furnished with fossulæ, suckers, and one or more naked or armed proboscides.

1893 Proc. Acad. Nat. Sci. Philadelphia 471 The metathorax smooth and shining..: a deep elongate-ovate fossula in the middle of the truncation.

1978 Palynology 2 34/1 This surface feature of small, sexinous, more or less circular or polygonal areas separated by grooves (fossulae) forms a negative reticulum.

2003 Jrnl. Orthoptera Res. 12 111/2 Occiput with 2 fossulae at sides of each eye.

1850 H. M. Edwards & J. Haime Monogr. Brit. Fossil Corals: 1st Pt. Introd. p. xii Calice circular or nearly so, with a broad but not very deep central fossula.

1877 H. A. Nicholson in Encycl. Brit. VI. 382/1 The septal fossula usually presents itself as a more or less conspicuous depression or groove in the calice.

1946 H. Woods Palæontol. Invertebr. (ed. 8) 83 One of the primary septa (the cardinal septum) is much smaller than those formed after it, and consequently appears..to lie in a pit or cavity, which is called a fossula.

2001 Jrnl. Paleontol. 75 763/2 Innixiphyllum, however, has a larger fossula expanded axially, a shorter cardinal septum.., and inconspicuous alar fossulae.