Histology Glossary - B

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A personal message from Dr Mark Hill (May 2020)  
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I have decided to take early retirement in September 2020. During the many years online I have received wonderful feedback from many readers, researchers and students interested in human embryology. I especially thank my research collaborators and contributors to the site. The good news is Embryology will remain online and I will continue my association with UNSW Australia. I look forward to updating and including the many exciting new discoveries in Embryology!

A Glossary of Histological and Micro-Anatomical Terms

 Histology Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Including historical origins and eponyms compiled by Dr Brian Freeman, Department of Anatomy, School of Medical Sciences, revised 2000.
ANAT2241 Support | Histology | Histology Stains | Historic Terminology | Embryology Glossary

Abbreviations: ( ) plural form in brackets, A. Arabic, abb. abbreviation, c. circa =about, F. French adj. adjective, G. Greek, Ge. German, cf. compare, L. Latin, dim. diminutive, NA. Nomina anatomica, q.v. which see, OF. Old French

bacterium (-ia) G. bakterion = a rod.

Baillarger, Jules Gabriel François. 1806-1890. French neurologist; striae of Baillarger are two bands of fibres in grey matter of cerebral cortex running parallel to its surface; cf. Gennari.

Barr, Murray. 1908- ? Canadian anatomist; B. body = intranuclear satellite = sex-chromatin mass seen in a certain proportion of the cells of a female.

Bartholin, Thomas. 1616-1680. Danish mathematician and philosopher, doctor in Basel, anatomist at Cophenhagen; discovered thoracic duct and lymphatic system in 1653; wrote a textbook of anatomy.

Bartholin, Casper. 1655-1738 (son of Thomas). Philosopher professor, then Deputy of Finances (civil service) in Copenhagen; Bartholin's mucous glands of vestibule and labia minora in female reproductive system (1677).

basal body G. basis = base; the root of a cilium.

basal lamina G. basis = base + L. lamina = thin plate; term for a layer seem in the electron microscope of thick glycocalyx at base of epithelial cells; a sublayer of the basement membrane.

basement membrane histological term for extracellular layer at base of epithelium, seen in the light microscope after use of certain dyes; includes basal lamina; constitutes the interface between epithelium and connective tissue.

basilic A. al-basiliq = vein on inner aspect of arm (G. basilikos = royal, hence prominent?); vein used for blood-letting.

basket cell a type of cell partially enclosing another like a basket; e.g., stellate myo-epithelial cells enclosing an acinus of a gland; cerebellar nerve cells whose branches form a basket around the Purkinje cells.

basophil type of leucocyte characterised by basophilic cytoplasmic granules.

basophilic G. basis = base + philein = to love; affinity for a basic dye, e.g. haematoxylin, gallocyanin, toluidine blue.

Bellini, Lorenzo. 1643-1704. Mathematician, anatomist at Pisa; terminal collecting tubules of B. in kidney (1662).

Berengarius of Carpi. 1470-1530. Anatomist at Bologna & Pavia; described pineal gland and sphenoidal air sinuses.

Bernard, Claude. 1813-1878. Sorbonne physiologist; suggested idea of internal secretions and established science of endocrinology; developed concept of constancy of internal environment of body ( milieu interne ).

Bertin, Exupère Joseph. 1712-1781. French anatomist; renal columns of Bertin; conchae of sphenoid bone.

beta cell basophilic cell of adenohypohysis; basophilic cell secreting insulin of pancreatic islets of Langerhans.

Betz, Vladimir Alexandrovich. 1834-1894. Kiev anatomist; Betz cells are large pyramidal cells in 5th layer of motor cortex (1874), giving rise to a small number of fibres in the pyramidal tract.

Bichat, Marie François Xavier. 1771-1802. Paris anatomist, a founder of histology; classification of 23 basic tissues; Bichat's tunica intima; B's internal elastic lamina; B's fat pad in cheek.

bicornuate L. bis = twice + cornua = horns; uterus with 2 horns found in many animals, and occasionally in woman.

bicuspid L. bis = twice + cuspis = a point; of lymphatic valves, mitral valve, premolar tooth.

Bielschowsky, Max. 1869-1940. Berlin neurologist; developed staining and silver impregnation techniques for histological study of nervous system.

bifurcate L. bis = twice + furca = fork; divide into two branches.

bile L. bilus = bile; cf. choledochus.

Billroth, C.A. Theodor. 1829-1894 Austrian surgeon; B.'s cords = the components of red pulp occurring between the venous sinuses of the spleen.

bipolar cell L. bis = twice + polus = pole; nerve cell with two processes, one being a neurite (q.v.) and the other, a dendrite (q.v.). NB. all sensory nerve cells of the embryo are initally bipolar, becoming pseudounipolar (q.v.) with growth, except for the vestibulocochlear ganglion cells.

blastema G. = a sprout; embryonic tissue giving rise to a particular structure; an anlage, q.v.

body cavity a coelom, q.v.

body wall the part of the body which surrounds a coelom, q.v.; paries, q.v.

Boerhaave, Hermann. 1668-1738. Leiden physician; sweat glands; wrote famous textbook Istitutiones medicae (1708).

Botallo, Leonardo. 1530-? Pavia anatomist, surgeon; duct of B. = ductus arteriosus.

bouton terminal (boutons terminaux) F. = terminal button or knob; bulb-like expansion at a synapse of the tip of an axon.

Bowman, William (Sir). 1816-1892. London physician, anatomist & ophthalmologist; B's capsule and B.'s space of renal corpuscle (1842); B's elastic membrane of anterior corneal epithelium (1847).

brain sand acervulus, q.v.; corpora arenaceum, q.v.; psammoma bodies, q.v.

Broca, Pierre Paul. 1824-1880. Paris surgeon, pathologist, anthropologist; B's convolution = area for motor speech is posterior part of inferior frontal gyrus of left hemisphere (1861).

Brodmann, Korbinian. 1868-1918. Armenian anatomist; described 52 allegedly discrete areas of human cerebral cortex by transferring results of studies in monkey brain to human.

bronchiole L. bronchiolus = small bronchus; air passage in lung.

bronchus (-i) G. bronchos = windpipe; later, branches of the trachea.

Brown, Robert. 1773-1858 British Museum botanist; described nucleus of plant cells; Brownian movement.

Bruch, Karl Wilhelm Ludwig. 1819-1884. Anatomist at Basle & Giessen; B's membrane = glassy basement membrane of the retinal (pigment) epithelium (1844); lymphatic follicles of palpebral conjunctiva.

Brücke, Ernst Wilhelm von. 1819- 1892 Vienna physiologist and microscopic anatomist; B.'s muscle = meridional fibres of ciliary muscle.

Brunn, Albert von. 1849-1895 German anatomist; B's membrane = the olfactory epithelium; B.'s cell nests = glandlike invaginations of epithelium forming cell masses, or cell pearls, in lower urinary tract.

Brunner, Johann Konrad. 1653-1727. Professor of Medince at Heidelberg; B's glands = compound mucus-secreting glands of duodenal submucosa (1687).

brush border term of light microscopy for taller (coarser) microvilli, e.g., on kidney tubule cells; cf. striated border.

buccal L. bucca = cheek; related to cheek or mouth.

buccinator L. buccina = trumpet; muscle which prevents the vestibule of the mouth being distended in trumpet playing.

buffer Mid. Eng. buffe = to deaden the shock of; applied to a substance which when added to an acid or a base, preserves the hydrogen ion concentration.

bulbar L. bulbus = a swollen root; of eye-ball; of urethra; of olfactory tract; of aorta; of a hair; of embryonic heart.

Burdach, Karl Friedrich. 1776-1847. Anatomist at Dorpat, Königsberg & Breslau; B's column = cuneate fasciculus of spinal cord (1819).

bursa (-ae) L. from G. = a leather sac, a purse; a sac associated with tendons or muscles, containing synovial fluid.

Histology Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ANAT2241 Support | Histology | Histology Stains | Embryology Glossary

Cite this page: Hill, M.A. (2020, June 6) Embryology Histology Glossary - B. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Histology_Glossary_-_B

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