| Subject | English | Spanish |
| med. | anterior basal branch of hyparterial bronchus and anterior basal bronchus of lower lobe of left lung | rama basal arterial del bronquio hiparterial |
| med. | axillary basal branch of hyparterial bronchus and axillary basal bronchus of lower lobe of left lung | rama basal axilar del bronquio hiparterial |
| med. | basal anaesthetic | anestésico basal |
| agric., chem. | basal application | abonado de fondo |
| agric., tech. | basal area | área basimétrica |
| forestr. | basal area | área basal |
| nat.sc. | basal area | área normal |
| gen. | basal area | sección normal |
| agric., tech. | basal-area control | regulación por áreas basimétricas |
| agric. | basal-area regulation | control por área basimétrica |
| agric., tech. | basal-area regulation | regulación por áreas basimétricas |
| agric. | basal-area table | tabla de áreas basimétricas |
| agric. | basal bark treatment | tratamiento por la base |
| med. | basal body | grànulo basal |
| genet. | basal body | gránulo basal |
| genet. | basal body | cinetosoma |
| med. | basal body | corpúsculo basal |
| med. | basal body | blefaroplasto |
| med. | basal body | cuerpo basal |
| health. | basal body temperature | temperatura corporal basal |
| med. | basal bone | hueso basal |
| med. | basal bow | arco alveolar |
| med. | basal bridge | puente maxilar |
| nat.sc., agric. | basal browning stipes | tallo rojo |
| nat.sc., agric. | basal browning stipes | tallo marrón |
| med. | basal cell | célula basal |
| med. | basal cell cancer | carcinoma de las células basales |
| med. | basal cell carcinoma | epitelioma de células basales (epithelioma basocellulare) |
| med. | basal cell carcinoma | carcinoma de células basales |
| med. | basal cell carcinoma | carcinoma basocelular (epithelioma basocellulare) |
| med. | basal cell epithelioma | carcinoma basocelular (epithelioma basocellulare) |
| med. | basal cell epithelioma | epitelioma de células basales (epithelioma basocellulare) |
| med. | basal cell layer | estrato germinativo (stratum germinativum, stratum germinativum epidermidis (Malpighii), stratum spinosum, corpus mucosum, stratum cylindricum epidermidis, stratum dentatimi epidermidis) |
| med. | basal cell layer | estrato de Malpighi (stratum germinativum, stratum germinativum epidermidis (Malpighii), stratum spinosum, corpus mucosum, stratum cylindricum epidermidis, stratum dentatimi epidermidis) |
| med. | basal cell layer | capa de células dentadas (stratum germinativum, stratum germinativum epidermidis (Malpighii), stratum spinosum, corpus mucosum, stratum cylindricum epidermidis, stratum dentatimi epidermidis) |
| med. | basal cell layer | cuerpo mucoso de Malpighi (stratum germinativum, stratum germinativum epidermidis (Malpighii), stratum spinosum, corpus mucosum, stratum cylindricum epidermidis, stratum dentatimi epidermidis) |
| med. | basal cell layer | capa de Malpighi (stratum germinativum, stratum germinativum epidermidis (Malpighii), stratum spinosum, corpus mucosum, stratum cylindricum epidermidis, stratum dentatimi epidermidis) |
| med. | basal cell naevus syndrome | síndrome del nevus baso-celular |
| med. | basal cell nevus syndrome | síndrome del nevus baso-celular |
| med. | basal cells | células basales |
| med. | basal corpuscle | cuerpo basal |
| med. | basal corpuscle | grànulo basal |
| med. | basal corpuscle | corpúsculo basal |
| med. | basal corpuscle | blefaroplasto |
| met. | basal crack | grieta de pie |
| med. | basal dendrite | dendrita basal |
| med. | basal dorsal commissure | comisura de Meynert |
| med. | basal dorsal commissure | comisura superior |
| med. | basal dorsal commissure | decusación de Meynert |
| med. | basal dorsal commissure | comisura basal |
| agric. | basal dressing | abonado de fondo |
| agric. | basal dressing | abonado en profundidad |
| agric. | basal dressing | abonado profundo |
| agric. | basal dressing | abonado de almacenamiento |
| med. | basal ear width | anchura basal de la oreja |
| med. | basal excretion | excreción basal |
| nat.sc., agric. | basal flower | flor basal |
| med. | Basal ganglia | ganglios basales |
| genet. | basal granule | cinetosoma |
| med. | basal granule | corpúsculo basal |
| med. | basal granule | grànulo basal |
| genet. | basal granule | gránulo basal |
| med. | basal granule | blefaroplasto |
| meteorol. | basal ice | hielo basal |
| med. | basal joint reflex | reflejo del dedo gordo |
| med. | basal layer | capa interna de la coroides (lamina basali chorioideae) |
| med. | basal layer | membrana de Bruch (lamina basali chorioideae) |
| med. | basal layer | membrana de Henle (lamina basali chorioideae) |
| med. | basal layer | lámina vitrea (lamina basali chorioideae) |
| med. | basal layer | lámina basal de la coroides (lamina basali chorioideae) |
| med. | basal layer of endometrium | capa basal del endometrio (stratum basale) |
| agric. | basal liming | calcificación |
| agric. | basal liming | encalación de fondo |
| med. | basal membrane | membrana basal |
| med. | basal meningoencephalocele | meningoencefalocele de la base del cráneo |
| comp., MS | basal metabolic rate | tasa metabólica basal (The amount of energy that is needed to support the body's most basic functions when at rest. The Basal metabolic rate (or BMR) is the number of calories a person needs per day to stay alive) |
| med. | basal metabolic rate | tasa de metabolismo basal |
| med. | basal metabolic rate | metabolismo basal |
| med. | basal metabolic rate | TMB |
| med. | basal metabolism | metabolismo basal |
| med. | basal metabolism | tasa metabólica basal |
| med. | basal metabolism | TMB |
| med. | basal metabolism | tasa de metabolismo basal |
| med. | basal narcosis | narcosis basal |
| med. | basal narcosis | anestesia basal |
| med. | basal narcotic | anestésico basal |
| med. | basal node | cuerpo basal |
| med. | basal nodule | cuerpo basal |
| med. | basal nodule | blefaroplasto |
| med. | basal nucleus of optic tract | núcleo olivar |
| med. | basal nucleus of optic tract | núcleo basal |
| med. | basal nucleus of telencephalon | núcleo basal |
| med. | basal nucleus of telencephalon | núcleo olivar |
| med. | basal number | número básico |
| med. | basal optic tract | tracto óptico basal |
| rem.sens. | basal orientation | orientación basal |
| med. | basal plate | lámina basal |
| med. | basal plate | placa basal (Membrana basilaris placentae) |
| med. | basal pleurisy | pleuresía diafragmática |
| food.serv. | basal ration | ración básica |
| med. | basal ridge | "cingulum" |
| med. | basal ridge | cíngulo |
| med. | basal ridge | haz del ribete |
| nat.sc., agric. | basal spray | pulverización basal |
| chem. | basal standard | solución testigo |
| pest.contr. | basal stem girdle | mal del cuello del abeto rojo Pestalozzia hartigii, Pestalotia hartiggii |
| pest.contr. | basal stem rot | podredumbre del tallo Sclerotium rolfsii |
| pest.contr. | basal stem rot | mal del esclerocio Sclerotium rolfsii |
| pest.contr. | basal stem rot | pudrición seca del tallo Sclerotium rolfsii |
| med. | basal temperature | temperatura corporal basal |
| med. | basal ventricular extrasystole | extrasístole ventricular apical |
| med. | Boothby formula of basal metabolism | fórmula del metabolismo basal de Boothby |
| med. | clinodactylism of the basal joint | clinodactilia de la primera falange |
| med. | clinodactyly of the basal joint | clinodactilia de la primera falange |
| forestr. | crop basal area | crop basal area |
| agric., tech. | crop basal area | área basimétrica de la población forestal |
| med. | Gottron basal-cell carcinoma | epitelioma basocelular de Gottron |
| agric. | mean basal area tree | árbol de área basimétrica media |
| agric. | mean basal area tree | árbol de área basal media |
| vet.med., anat. | medial basal hypothalamus | hipotálamo basal medio |
| med. | posterior basal branch of hyparterial bronchus and posterior basal bronchus of lower lobe of left lung | bronquio segmentario posterior |
| med. | posterior basal membrane | membrana de Demours |
| med. | protrusions of basal lamina of choroid | protrusiones de la membrana vítrea de Bruch |
| med. | protrusions of basal lamina of choroid | protrusiones de la lámina basal de la coroides |
| agric. | stand basal area | área basimétrica de masa |
| agric., tech. | stand basal area | área basimétrica de la población forestal |
| agric. | table of basal areas | tabla de áreas basimétricas |
| agric. | volume-basal area ratio | altura mórfica |
